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PEACE
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NumericalData/AMDA/ACE/MFI/ace-mag-real.xml
... | ... | @@ -51,7 +51,7 @@ |
51 | 51 | <TemporalDescription> |
52 | 52 | <TimeSpan> |
53 | 53 | <StartDate>2014-01-06T00:00:00Z</StartDate> |
54 | - <StopDate>2016-11-03T00:59:59Z</StopDate> | |
54 | + <StopDate>2016-11-04T00:59:59Z</StopDate> | |
55 | 55 | </TimeSpan> |
56 | 56 | <Cadence>PT60S</Cadence> |
57 | 57 | </TemporalDescription> | ... | ... |
NumericalData/AMDA/ACE/SWEPAM/ace-swepam-real.xml
... | ... | @@ -44,7 +44,7 @@ |
44 | 44 | <TemporalDescription> |
45 | 45 | <TimeSpan> |
46 | 46 | <StartDate>2014-01-06T00:00:00Z</StartDate> |
47 | - <StopDate>2016-11-03T00:59:59Z</StopDate> | |
47 | + <StopDate>2016-11-04T00:59:59Z</StopDate> | |
48 | 48 | </TimeSpan> |
49 | 49 | <Cadence>PT60S</Cadence> |
50 | 50 | </TemporalDescription> | ... | ... |
NumericalData/AMDA/Cluster/Cluster1/PEACE/clust1-pea-mom.xml
... | ... | @@ -5,46 +5,56 @@ |
5 | 5 | <ResourceID>spase://CDPP/NumericalData/AMDA/Cluster/Cluster1/PEACE/clust1-pea-mom</ResourceID> |
6 | 6 | <ResourceHeader> |
7 | 7 | <ResourceName>electron moments</ResourceName> |
8 | - <AlternateName>Cluster 1 Prime Parameter PEACE Data</AlternateName> | |
9 | - <ReleaseDate>2015-10-16T16:51:44Z</ReleaseDate> | |
10 | - <Description>The primary task of this instrument (PEACE: Plasma Electrons and Currents Experiment) | |
11 | - is to obtain the velocity moments of the distribution function of electrons as frequently and | |
12 | - as accurately as the spacecraft telemetry will allow. Detector counts are collected in energy, | |
13 | - polar-angle, and azimuth-angle bins to form a three-dimensional matrix. | |
14 | - Two sensors are used: LEEA (low-energy electron analyzer) and HEEA (high-energy electron analyzer). | |
15 | - The energy coverage is from 0.67 eV to 30 KeV in 92 levels. The first 16 levels are equally spaced linearly | |
16 | - up to 10.7 eV; the remainder are logarithmically spaced. Both sensors can use the full range, but the HEEA | |
17 | - will normally operate over a higher energy range than the LEEA. The LEEA specializes in coverage of the | |
18 | - energies from 0.7-10 eV, and has a geometric factor one fifth that of the HEAA. Both sensors consist of | |
19 | - hemispherical electrostatic analyzers of the top-hat type and a detector in the form of an annular | |
20 | - micro-channel plate with a position-sensitive readout. Each sensor covers the range 0-180 degrees | |
21 | - with respect to the spin axis, and they are mounted opposite each other with a view perpendicular | |
22 | - to the spin axis, thus covering the complete angular range in a half rotation of the spacecraft. | |
23 | - The field of view perpendicular to the fan is 2 degrees for the LEEA and 5.6 degrees for the HEEA. | |
24 | - Energy resolution (Delta-E)/E is 0.13 for LEEA and 0.16 for HEEA. There are four sweep modes, | |
25 | - synchronized to the spin period (4 s), to vary the azimuthal angular resolution. | |
26 | - The spin phasing can be made coincident with that of the CIS instrument, to ensure that the electron | |
27 | - and ion moments will be measured simultaneously. On-board processing is used to calculate the moments | |
28 | - of the distribution with an accuracy of 1% and to select suitable parts of the complete distribution | |
29 | - for transmission. The normal science data format is based on one spin period, and consists of core data | |
30 | - followed by other optional distributions as can be fit into the available telemetry for that spin. | |
31 | - The core data (moments, spacecraft potential, and pitch angle distribution) are always transmitted | |
32 | - (if the spin is nominal). The next distribution is transmitted if, before the end of the spin, | |
33 | - all the previous data have been sent. Thus the next spin of data will be transmitted slightly late, | |
34 | - but all of its core data will be transmitted before the following spin of data is started on. | |
35 | - Eventually the transmission will catch up and be able to transmit the distribution after the core again, | |
36 | - but only after some time. This applies at all telemetry rates. The instrument can adapt automatically to | |
37 | - six different telemetry rates: a basic 1.52 Kbps rate (CIS priority); a normal 2.52 Kbps rate; | |
38 | - an enhanced PEACE priority rate of 3.54 Kbps; and three burst mode rates, with a maximum of 15.98 Kbps. | |
39 | - For more details of the Cluster mission, the spacecraft, and its instruments, | |
40 | - see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, | |
41 | - and the included article PEACE: a Plasma Electron and Current Experiment, by A. D. Johnstone et al., | |
42 | - from which this information was obtained.</Description> | |
43 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley, European Space Agency</Acknowledgement> | |
8 | + <AlternateName>Cluster 1 electron moments</AlternateName> | |
9 | + <ReleaseDate>2016-10-16T16:51:44Z</ReleaseDate> | |
10 | + <Description> The CAA Moments data are electron density, velocity vector, | |
11 | + pressure tensor and heat flux vector. The vectors and tensors are provided in GSE coordinates. Velocity and temperature | |
12 | + are also provided as components perpendicular and parallel to the magnetic field. | |
13 | + The magnetic field data is taken from CSDS FGM PP data, at present. In a possible future | |
14 | + release we would ideally use CAA FGM data, but it is considered unlikely that there will be major differences except in | |
15 | + very weak field regions. Furthermore : | |
16 | + * T_perp and T_para are determined by projecting the pressure tensor along the magnetic field and dividing by the density and by Boltzmanns constant. T_perp is the average of the two perpendicular components. | |
17 | + * v_para = (v.b) b and v_perp = v - (v.b) b. where v is the velocity vector and b is the magnetic field unit vector. | |
18 | + | |
19 | + These data are produced on the ground using 3-D data and thus are available at time resolutions which are limited by the | |
20 | + rate at which 3-D data can be transmitted. The data source used to generate the mome | |
21 | + nts is always the best available resolution 3-D data; this means mainly 3DR data but in the case 3DX or 3DXP are available these | |
22 | + are used instead for the MOMENTS production (see Mode_DataOrigin_HEEA/LEEA). Choices on the best way to combine data from the two | |
23 | + sensors can be made in the moments production software; in the first release the moments are made using LEEA data in the | |
24 | + energy overlap region. | |
25 | + In some situations, use of both sensors together may be a better choice, for example in case | |
26 | + s where the distribution changes | |
27 | + during a spin as the method can resolve time aliasing errors. If resources allow, the Moments | |
28 | + product at CAA may be updated to take advantage of this possibility. | |
29 | + The advantage of these ground - calculated moments is that the best available | |
30 | + calibration data is used, a correction can be made for the spacecraft potential | |
31 | + measurements (collected by the EFW experiment), and spacecraft electrons can be | |
32 | + properly removed. The current release has been generated automatically | |
33 | + using default values to control the approach to | |
34 | + potential correction and photoelectron removal, and has not been systematically human | |
35 | + - validated, so some errors may exist. | |
36 | + Specifically, the spacecraft potential, Vsc, is set to be 1 V greater than the | |
37 | + measured probe - spacecraft potential provided by | |
38 | + the electric field experiment (EFW) and the lower energy cutoff for the moments | |
39 | + integration is set to reject the energy bin | |
40 | + containing the EFW potential and the one above that (which in practice | |
41 | + may also contain counts due to spacecraft electrons). | |
42 | + Sometimes cold electrons are present which can appear in the same energy bin as the spacecraft photoelectrons, | |
43 | + therefore both the cold electrons and spacecraft photoelectrons are removed resulting in underestimated electron densities. | |
44 | + Recent work | |
45 | + by the EFW team suggests a more accurate determination of from would be a term that increases linearly | |
46 | + above ~10 V (Cully et al., 2007) but this has not yet been | |
47 | + implemented in our CAA moments generation code.</Description> | |
48 | + <Acknowledgement>Principal Investigator: Andrew Fazakerley</Acknowledgement> | |
44 | 49 | <Contact> |
45 | - <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID> | |
46 | - <Role>TechnicalContact</Role> | |
47 | - </Contact> | |
50 | + <PersonID>spase://SMWG/Person/Andrew.N.Fazakerley</PersonID> | |
51 | + <Role>PrincipalInvestigator</Role> | |
52 | + </Contact> | |
53 | + <InformationURL> | |
54 | + <Name>ESA web page</Name> | |
55 | + <URL>http://www.cosmos.esa.int/web/csa/documentation</URL> | |
56 | + <Description>This site contains PEACE data documentation</Description> | |
57 | + </InformationURL> | |
48 | 58 | <InformationURL> |
49 | 59 | <Name>NSSDC Master Catalog listing for Cluster II Rumba Plasma Electron and Current Experiment (PEACE)</Name> |
50 | 60 | <URL>http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=2000-045A-05</URL> |
... | ... | @@ -59,12 +69,11 @@ |
59 | 69 | <Name>AMDA at CDPP</Name> |
60 | 70 | <URL>http://amda.cdpp.eu</URL> |
61 | 71 | </AccessURL> |
62 | - <Format>NetCDF</Format> | |
63 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley</Acknowledgement> | |
72 | + <Format>NetCDF</Format> | |
64 | 73 | </AccessInformation> |
65 | 74 | <ProviderName>CSA</ProviderName> |
66 | 75 | <ProcessingLevel>Calibrated</ProcessingLevel> |
67 | - <ProviderResourceName>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment (PEACE) Data</ProviderResourceName> | |
76 | + <ProviderResourceName>C1_CP_PEA_MOMENTS</ProviderResourceName> | |
68 | 77 | <ProviderProcessingLevel>Calibrated</ProviderProcessingLevel> |
69 | 78 | <InstrumentID>spase://CDPP/Instrument/AMDA/Cluster-Rumba/PEACE</InstrumentID> |
70 | 79 | <MeasurementType>ThermalPlasma</MeasurementType> |
... | ... | @@ -101,7 +110,9 @@ |
101 | 110 | <Parameter> |
102 | 111 | <Name>density</Name> |
103 | 112 | <ParameterKey>c1_pea_dens</ParameterKey> |
104 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron number density at spin time resolution</Description> | |
113 | + <Description> | |
114 | + Electron number density at spin time resolution | |
115 | + </Description> | |
105 | 116 | <Ucd>phys.density;phys.electron</Ucd> |
106 | 117 | <Cadence>PT4S</Cadence> |
107 | 118 | <Units>cm^-3</Units> |
... | ... | @@ -124,7 +135,9 @@ |
124 | 135 | <Parameter> |
125 | 136 | <Name>v_gse</Name> |
126 | 137 | <ParameterKey>c1_pea_vgse</ParameterKey> |
127 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
138 | + <Description> | |
139 | + Electron velocity at spin time resolution | |
140 | + </Description> | |
128 | 141 | <Ucd>phys.veloc;phys.electron</Ucd> |
129 | 142 | <Cadence>PT4S</Cadence> |
130 | 143 | <Units>km/s</Units> |
... | ... | @@ -171,7 +184,9 @@ |
171 | 184 | <Parameter> |
172 | 185 | <Name>v_gsm</Name> |
173 | 186 | <ParameterKey>c1_pea_vgsm</ParameterKey> |
174 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
187 | + <Description> | |
188 | + Electron velocity at spin time resolution, in GSM | |
189 | + </Description> | |
175 | 190 | <Ucd>phys.veloc;phys.electron</Ucd> |
176 | 191 | <Cadence>PT4S</Cadence> |
177 | 192 | <Units>km/s</Units> |
... | ... | @@ -218,7 +233,9 @@ |
218 | 233 | <Parameter> |
219 | 234 | <Name>v_para_gse</Name> |
220 | 235 | <ParameterKey>c1_pea_vpar</ParameterKey> |
221 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
236 | + <Description> | |
237 | + Electron parallel velocity at spin time resolution, in GSE | |
238 | + </Description> | |
222 | 239 | <Ucd>phys.veloc;phys.electron</Ucd> |
223 | 240 | <Cadence>PT4S</Cadence> |
224 | 241 | <Units>km/s</Units> |
... | ... | @@ -265,7 +282,9 @@ |
265 | 282 | <Parameter> |
266 | 283 | <Name>v_para_gsm</Name> |
267 | 284 | <ParameterKey>c1_pea_vpar_gsm</ParameterKey> |
268 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
285 | + <Description> | |
286 | + Electron parallel velocity at spin time resolution, in GSM | |
287 | + </Description> | |
269 | 288 | <Ucd>phys.veloc;phys.electron</Ucd> |
270 | 289 | <Cadence>PT4S</Cadence> |
271 | 290 | <Units>km/s</Units> |
... | ... | @@ -312,7 +331,9 @@ |
312 | 331 | <Parameter> |
313 | 332 | <Name>v_perp_gse</Name> |
314 | 333 | <ParameterKey>c1_pea_vperp</ParameterKey> |
315 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
334 | + <Description> | |
335 | + Electron perpendicular velocity at spin time resolution, in GSE | |
336 | + </Description> | |
316 | 337 | <Ucd>phys.veloc;phys.electron</Ucd> |
317 | 338 | <Cadence>PT4S</Cadence> |
318 | 339 | <Units>km/s</Units> |
... | ... | @@ -359,7 +380,9 @@ |
359 | 380 | <Parameter> |
360 | 381 | <Name>v_perp_gsm</Name> |
361 | 382 | <ParameterKey>c1_pea_vperp_gsm</ParameterKey> |
362 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
383 | + <Description> | |
384 | + Electron perpendicular velocity at spin time resolution, in GSM | |
385 | + </Description> | |
363 | 386 | <Ucd>phys.veloc;phys.electron</Ucd> |
364 | 387 | <Cadence>PT4S</Cadence> |
365 | 388 | <Units>km/s</Units> |
... | ... | @@ -406,7 +429,9 @@ |
406 | 429 | <Parameter> |
407 | 430 | <Name>heat_flux_gse</Name> |
408 | 431 | <ParameterKey>c1_pea_flux</ParameterKey> |
409 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment parallel electron heat flux at spin time resolution</Description> | |
432 | + <Description> | |
433 | + Parallel electron heat flux at spin time resolution, in GSE | |
434 | + </Description> | |
410 | 435 | <Ucd>phys.heatflux;phys.atmol.ionStage</Ucd> |
411 | 436 | <Cadence>PT4S</Cadence> |
412 | 437 | <Units>microW/m^2</Units> |
... | ... | @@ -440,7 +465,9 @@ |
440 | 465 | <Parameter> |
441 | 466 | <Name>pressure_gse</Name> |
442 | 467 | <ParameterKey>c1_pea_press</ParameterKey> |
443 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment parallel pressure tensor at spin time resolution</Description> | |
468 | + <Description> | |
469 | + Electron pressure tensor at spin time resolution, in GSE | |
470 | + </Description> | |
444 | 471 | <Ucd>phys.pressure</Ucd> |
445 | 472 | <Cadence>PT4S</Cadence> |
446 | 473 | <Units>microW/m^2</Units> |
... | ... | @@ -452,20 +479,50 @@ |
452 | 479 | <DisplayType>TimeSeries</DisplayType> |
453 | 480 | </RenderingHints> |
454 | 481 | <Structure> |
455 | - <Size>3</Size> | |
482 | + <Size>9</Size> | |
456 | 483 | <Element> |
457 | 484 | <Name>xx</Name> |
458 | 485 | <Index>1</Index> |
459 | 486 | <ParameterKey>c1_pea_press(0)</ParameterKey> |
460 | 487 | </Element> |
461 | 488 | <Element> |
462 | - <Name>yy</Name> | |
489 | + <Name>xy</Name> | |
463 | 490 | <Index>2</Index> |
491 | + <ParameterKey>c1_pea_press(1)</ParameterKey> | |
492 | + </Element> | |
493 | + <Element> | |
494 | + <Name>xz</Name> | |
495 | + <Index>3</Index> | |
496 | + <ParameterKey>c1_pea_press(2)</ParameterKey> | |
497 | + </Element> | |
498 | + <Element> | |
499 | + <Name>yx</Name> | |
500 | + <Index>4</Index> | |
501 | + <ParameterKey>c1_pea_press(3)</ParameterKey> | |
502 | + </Element> | |
503 | + <Element> | |
504 | + <Name>yy</Name> | |
505 | + <Index>5</Index> | |
464 | 506 | <ParameterKey>c1_pea_press(4)</ParameterKey> |
465 | 507 | </Element> |
466 | 508 | <Element> |
509 | + <Name>yz</Name> | |
510 | + <Index>6</Index> | |
511 | + <ParameterKey>c1_pea_press(5)</ParameterKey> | |
512 | + </Element> | |
513 | + <Element> | |
514 | + <Name>zx</Name> | |
515 | + <Index>7</Index> | |
516 | + <ParameterKey>c1_pea_press(6)</ParameterKey> | |
517 | + </Element> | |
518 | + <Element> | |
519 | + <Name>zy</Name> | |
520 | + <Index>8</Index> | |
521 | + <ParameterKey>c1_pea_press(7)</ParameterKey> | |
522 | + </Element> | |
523 | + <Element> | |
467 | 524 | <Name>zz</Name> |
468 | - <Index>3</Index> | |
525 | + <Index>9</Index> | |
469 | 526 | <ParameterKey>c1_pea_press(8)</ParameterKey> |
470 | 527 | </Element> |
471 | 528 | </Structure> |
... | ... | @@ -478,7 +535,9 @@ |
478 | 535 | <Parameter> |
479 | 536 | <Name>t_para</Name> |
480 | 537 | <ParameterKey>c1_pea_tpar</ParameterKey> |
481 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment parallel electron temperature at spin time resolution</Description> | |
538 | + <Description> | |
539 | + Parallel electron temperature at spin time resolution | |
540 | + </Description> | |
482 | 541 | <Ucd>phys.temperature;phys.electron</Ucd> |
483 | 542 | <Cadence>PT4S</Cadence> |
484 | 543 | <Units>eV</Units> |
... | ... | @@ -495,7 +554,9 @@ |
495 | 554 | <Parameter> |
496 | 555 | <Name>t_perp</Name> |
497 | 556 | <ParameterKey>c1_pea_tperp</ParameterKey> |
498 | - <Description>Cluster II Rumba Prime Parameter Plasma Electron and Current Experiment perpendicular electron temperature at spin time resolution</Description> | |
557 | + <Description> | |
558 | + Perpendicular electron temperature at spin time resolution | |
559 | + </Description> | |
499 | 560 | <Ucd>phys.temperature;phys.electron</Ucd> |
500 | 561 | <Cadence>PT4S</Cadence> |
501 | 562 | <Units>eV</Units> | ... | ... |
NumericalData/AMDA/Cluster/Cluster2/PEACE/clust2-pea-mom.xml
... | ... | @@ -5,52 +5,61 @@ |
5 | 5 | <ResourceID>spase://CDPP/NumericalData/AMDA/Cluster/Cluster2/PEACE/clust2-pea-mom</ResourceID> |
6 | 6 | <ResourceHeader> |
7 | 7 | <ResourceName>electron moments</ResourceName> |
8 | - <AlternateName>Cluster 2 Prime Parameter PEACE Data</AlternateName> | |
9 | - <ReleaseDate>2015-10-19T15:51:44Z</ReleaseDate> | |
10 | - <Description>The primary task of this instrument (PEACE: Plasma Electrons and Currents Experiment) | |
11 | - is to obtain the velocity moments of the distribution function of electrons as frequently and | |
12 | - as accurately as the spacecraft telemetry will allow. Detector counts are collected in energy, | |
13 | - polar-angle, and azimuth-angle bins to form a three-dimensional matrix. | |
14 | - Two sensors are used: LEEA (low-energy electron analyzer) and HEEA (high-energy electron analyzer). | |
15 | - The energy coverage is from 0.67 eV to 30 KeV in 92 levels. The first 16 levels are equally spaced linearly | |
16 | - up to 10.7 eV; the remainder are logarithmically spaced. Both sensors can use the full range, but the HEEA | |
17 | - will normally operate over a higher energy range than the LEEA. The LEEA specializes in coverage of the | |
18 | - energies from 0.7-10 eV, and has a geometric factor one fifth that of the HEAA. Both sensors consist of | |
19 | - hemispherical electrostatic analyzers of the top-hat type and a detector in the form of an annular | |
20 | - micro-channel plate with a position-sensitive readout. Each sensor covers the range 0-180 degrees | |
21 | - with respect to the spin axis, and they are mounted opposite each other with a view perpendicular | |
22 | - to the spin axis, thus covering the complete angular range in a half rotation of the spacecraft. | |
23 | - The field of view perpendicular to the fan is 2 degrees for the LEEA and 5.6 degrees for the HEEA. | |
24 | - Energy resolution (Delta-E)/E is 0.13 for LEEA and 0.16 for HEEA. There are four sweep modes, | |
25 | - synchronized to the spin period (4 s), to vary the azimuthal angular resolution. | |
26 | - The spin phasing can be made coincident with that of the CIS instrument, to ensure that the electron | |
27 | - and ion moments will be measured simultaneously. On-board processing is used to calculate the moments | |
28 | - of the distribution with an accuracy of 1% and to select suitable parts of the complete distribution | |
29 | - for transmission. The normal science data format is based on one spin period, and consists of core data | |
30 | - followed by other optional distributions as can be fit into the available telemetry for that spin. | |
31 | - The core data (moments, spacecraft potential, and pitch angle distribution) are always transmitted | |
32 | - (if the spin is nominal). The next distribution is transmitted if, before the end of the spin, | |
33 | - all the previous data have been sent. Thus the next spin of data will be transmitted slightly late, | |
34 | - but all of its core data will be transmitted before the following spin of data is started on. | |
35 | - Eventually the transmission will catch up and be able to transmit the distribution after the core again, | |
36 | - but only after some time. This applies at all telemetry rates. The instrument can adapt automatically to | |
37 | - six different telemetry rates: a basic 1.52 Kbps rate (CIS priority); a normal 2.52 Kbps rate; | |
38 | - an enhanced PEACE priority rate of 3.54 Kbps; and three burst mode rates, with a maximum of 15.98 Kbps. | |
39 | - For more details of the Cluster mission, the spacecraft, and its instruments, | |
40 | - see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, | |
41 | - and the included article PEACE: a Plasma Electron and Current Experiment, by A. D. Johnstone et al., | |
42 | - from which this information was obtained.</Description> | |
43 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley, European Space Agency</Acknowledgement> | |
8 | + <AlternateName>Cluster 2 electron moments</AlternateName> | |
9 | + <ReleaseDate>2016-10-16T16:51:44Z</ReleaseDate> | |
10 | + <Description> The CAA Moments data are electron density, velocity vector, | |
11 | + pressure tensor and heat flux vector. The vectors and tensors are provided in GSE coordinates. Velocity and temperature | |
12 | + are also provided as components perpendicular and parallel to the magnetic field. | |
13 | + The magnetic field data is taken from CSDS FGM PP data, at present. In a possible future | |
14 | + release we would ideally use CAA FGM data, but it is considered unlikely that there will be major differences except in | |
15 | + very weak field regions. Furthermore : | |
16 | + * T_perp and T_para are determined by projecting the pressure tensor along the magnetic field and dividing by the density and by Boltzmanns constant. T_perp is the average of the two perpendicular components. | |
17 | + * v_para = (v.b) b and v_perp = v - (v.b) b. where v is the velocity vector and b is the magnetic field unit vector. | |
18 | + | |
19 | + These data are produced on the ground using 3-D data and thus are available at time resolutions which are limited by the | |
20 | + rate at which 3-D data can be transmitted. The data source used to generate the mome | |
21 | + nts is always the best available resolution 3-D data; this means mainly 3DR data but in the case 3DX or 3DXP are available these | |
22 | + are used instead for the MOMENTS production (see Mode_DataOrigin_HEEA/LEEA). Choices on the best way to combine data from the two | |
23 | + sensors can be made in the moments production software; in the first release the moments are made using LEEA data in the | |
24 | + energy overlap region. | |
25 | + In some situations, use of both sensors together may be a better choice, for example in case | |
26 | + s where the distribution changes | |
27 | + during a spin as the method can resolve time aliasing errors. If resources allow, the Moments | |
28 | + product at CAA may be updated to take advantage of this possibility. | |
29 | + The advantage of these ground - calculated moments is that the best available | |
30 | + calibration data is used, a correction can be made for the spacecraft potential | |
31 | + measurements (collected by the EFW experiment), and spacecraft electrons can be | |
32 | + properly removed. The current release has been generated automatically | |
33 | + using default values to control the approach to | |
34 | + potential correction and photoelectron removal, and has not been systematically human | |
35 | + - validated, so some errors may exist. | |
36 | + Specifically, the spacecraft potential, Vsc, is set to be 1 V greater than the | |
37 | + measured probe - spacecraft potential provided by | |
38 | + the electric field experiment (EFW) and the lower energy cutoff for the moments | |
39 | + integration is set to reject the energy bin | |
40 | + containing the EFW potential and the one above that (which in practice | |
41 | + may also contain counts due to spacecraft electrons). | |
42 | + Sometimes cold electrons are present which can appear in the same energy bin as the spacecraft photoelectrons, | |
43 | + therefore both the cold electrons and spacecraft photoelectrons are removed resulting in underestimated electron densities. | |
44 | + Recent work | |
45 | + by the EFW team suggests a more accurate determination of from would be a term that increases linearly | |
46 | + above ~10 V (Cully et al., 2007) but this has not yet been | |
47 | + implemented in our CAA moments generation code.</Description> | |
48 | + <Acknowledgement>Principal Investigator: Andrew Fazakerley</Acknowledgement> | |
44 | 49 | <Contact> |
45 | - <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID> | |
46 | - <Role>TechnicalContact</Role> | |
47 | - </Contact> | |
48 | - | |
50 | + <PersonID>spase://SMWG/Person/Andrew.N.Fazakerley</PersonID> | |
51 | + <Role>PrincipalInvestigator</Role> | |
52 | + </Contact> | |
49 | 53 | <InformationURL> |
50 | - <Name>NSSDC Master Catalog listing for Cluster II Rumba Plasma Electron and Current Experiment (PEACE)</Name> | |
54 | + <Name>ESA web page</Name> | |
55 | + <URL>http://www.cosmos.esa.int/web/csa/documentation</URL> | |
56 | + <Description>This site contains PEACE data documentation</Description> | |
57 | + </InformationURL> | |
58 | + <InformationURL> | |
59 | + <Name>NSSDC Master Catalog listing for Cluster II Salsa Plasma Electron and Current Experiment (PEACE)</Name> | |
51 | 60 | <URL>http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=2000-045A-05</URL> |
52 | 61 | <Description>This site provides information concerning the Cluster II Salsa Plasma Electron and Current Experiment Instrument.</Description> |
53 | - </InformationURL> | |
62 | + </InformationURL> | |
54 | 63 | </ResourceHeader> |
55 | 64 | <AccessInformation> |
56 | 65 | <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID> |
... | ... | @@ -60,19 +69,18 @@ |
60 | 69 | <Name>AMDA at CDPP</Name> |
61 | 70 | <URL>http://amda.cdpp.eu</URL> |
62 | 71 | </AccessURL> |
63 | - <Format>NetCDF</Format> | |
64 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley</Acknowledgement> | |
72 | + <Format>NetCDF</Format> | |
65 | 73 | </AccessInformation> |
66 | 74 | <ProviderName>CSA</ProviderName> |
67 | 75 | <ProcessingLevel>Calibrated</ProcessingLevel> |
68 | - <ProviderResourceName>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment (PEACE) Data</ProviderResourceName> | |
76 | + <ProviderResourceName>C2_CP_PEA_MOMENTS</ProviderResourceName> | |
69 | 77 | <ProviderProcessingLevel>Calibrated</ProviderProcessingLevel> |
70 | 78 | <InstrumentID>spase://CDPP/Instrument/AMDA/Cluster-Salsa/PEACE</InstrumentID> |
71 | 79 | <MeasurementType>ThermalPlasma</MeasurementType> |
72 | 80 | <TemporalDescription> |
73 | 81 | <TimeSpan> |
74 | - <StartDate>2001-01-10T00:01:11Z</StartDate> | |
75 | - <StopDate>2013-06-30T23:59:40Z</StopDate> | |
82 | + <StartDate>2001-01-10T00:02:11Z</StartDate> | |
83 | + <StopDate>2013-06-30T12:39:50Z</StopDate> | |
76 | 84 | </TimeSpan> |
77 | 85 | <Cadence_Min>PT4S</Cadence_Min> |
78 | 86 | <Cadence_Max>PT160S</Cadence_Max> |
... | ... | @@ -102,7 +110,9 @@ |
102 | 110 | <Parameter> |
103 | 111 | <Name>density</Name> |
104 | 112 | <ParameterKey>c2_pea_dens</ParameterKey> |
105 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron number density at spin time resolution</Description> | |
113 | + <Description> | |
114 | + Electron number density at spin time resolution | |
115 | + </Description> | |
106 | 116 | <Ucd>phys.density;phys.electron</Ucd> |
107 | 117 | <Cadence>PT4S</Cadence> |
108 | 118 | <Units>cm^-3</Units> |
... | ... | @@ -125,7 +135,9 @@ |
125 | 135 | <Parameter> |
126 | 136 | <Name>v_gse</Name> |
127 | 137 | <ParameterKey>c2_pea_vgse</ParameterKey> |
128 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
138 | + <Description> | |
139 | + Electron velocity at spin time resolution | |
140 | + </Description> | |
129 | 141 | <Ucd>phys.veloc;phys.electron</Ucd> |
130 | 142 | <Cadence>PT4S</Cadence> |
131 | 143 | <Units>km/s</Units> |
... | ... | @@ -172,7 +184,9 @@ |
172 | 184 | <Parameter> |
173 | 185 | <Name>v_gsm</Name> |
174 | 186 | <ParameterKey>c2_pea_vgsm</ParameterKey> |
175 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
187 | + <Description> | |
188 | + Electron velocity at spin time resolution, in GSM | |
189 | + </Description> | |
176 | 190 | <Ucd>phys.veloc;phys.electron</Ucd> |
177 | 191 | <Cadence>PT4S</Cadence> |
178 | 192 | <Units>km/s</Units> |
... | ... | @@ -219,7 +233,9 @@ |
219 | 233 | <Parameter> |
220 | 234 | <Name>v_para_gse</Name> |
221 | 235 | <ParameterKey>c2_pea_vpar</ParameterKey> |
222 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
236 | + <Description> | |
237 | + Electron parallel velocity at spin time resolution, in GSE | |
238 | + </Description> | |
223 | 239 | <Ucd>phys.veloc;phys.electron</Ucd> |
224 | 240 | <Cadence>PT4S</Cadence> |
225 | 241 | <Units>km/s</Units> |
... | ... | @@ -266,7 +282,9 @@ |
266 | 282 | <Parameter> |
267 | 283 | <Name>v_para_gsm</Name> |
268 | 284 | <ParameterKey>c2_pea_vpar_gsm</ParameterKey> |
269 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
285 | + <Description> | |
286 | + Electron parallel velocity at spin time resolution, in GSM | |
287 | + </Description> | |
270 | 288 | <Ucd>phys.veloc;phys.electron</Ucd> |
271 | 289 | <Cadence>PT4S</Cadence> |
272 | 290 | <Units>km/s</Units> |
... | ... | @@ -313,7 +331,9 @@ |
313 | 331 | <Parameter> |
314 | 332 | <Name>v_perp_gse</Name> |
315 | 333 | <ParameterKey>c2_pea_vperp</ParameterKey> |
316 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
334 | + <Description> | |
335 | + Electron perpendicular velocity at spin time resolution, in GSE | |
336 | + </Description> | |
317 | 337 | <Ucd>phys.veloc;phys.electron</Ucd> |
318 | 338 | <Cadence>PT4S</Cadence> |
319 | 339 | <Units>km/s</Units> |
... | ... | @@ -360,7 +380,9 @@ |
360 | 380 | <Parameter> |
361 | 381 | <Name>v_perp_gsm</Name> |
362 | 382 | <ParameterKey>c2_pea_vperp_gsm</ParameterKey> |
363 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
383 | + <Description> | |
384 | + Electron perpendicular velocity at spin time resolution, in GSM | |
385 | + </Description> | |
364 | 386 | <Ucd>phys.veloc;phys.electron</Ucd> |
365 | 387 | <Cadence>PT4S</Cadence> |
366 | 388 | <Units>km/s</Units> |
... | ... | @@ -407,13 +429,15 @@ |
407 | 429 | <Parameter> |
408 | 430 | <Name>heat_flux_gse</Name> |
409 | 431 | <ParameterKey>c2_pea_flux</ParameterKey> |
410 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment parallel electron heat flux at spin time resolution</Description> | |
432 | + <Description> | |
433 | + Parallel electron heat flux at spin time resolution, in GSE | |
434 | + </Description> | |
411 | 435 | <Ucd>phys.heatflux;phys.atmol.ionStage</Ucd> |
412 | 436 | <Cadence>PT4S</Cadence> |
413 | - <Units>microW/m^2</Units> | |
437 | + <Units>microW/m^2</Units> | |
414 | 438 | <RenderingHints> |
415 | 439 | <DisplayType>TimeSeries</DisplayType> |
416 | - </RenderingHints> | |
440 | + </RenderingHints> | |
417 | 441 | <Structure> |
418 | 442 | <Size>3</Size> |
419 | 443 | <Element> |
... | ... | @@ -441,7 +465,9 @@ |
441 | 465 | <Parameter> |
442 | 466 | <Name>pressure_gse</Name> |
443 | 467 | <ParameterKey>c2_pea_press</ParameterKey> |
444 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment parallel pressure tensor at spin time resolution</Description> | |
468 | + <Description> | |
469 | + Electron pressure tensor at spin time resolution, in GSE | |
470 | + </Description> | |
445 | 471 | <Ucd>phys.pressure</Ucd> |
446 | 472 | <Cadence>PT4S</Cadence> |
447 | 473 | <Units>microW/m^2</Units> |
... | ... | @@ -451,22 +477,52 @@ |
451 | 477 | </CoordinateSystem> |
452 | 478 | <RenderingHints> |
453 | 479 | <DisplayType>TimeSeries</DisplayType> |
454 | - </RenderingHints> | |
480 | + </RenderingHints> | |
455 | 481 | <Structure> |
456 | - <Size>3</Size> | |
482 | + <Size>9</Size> | |
457 | 483 | <Element> |
458 | 484 | <Name>xx</Name> |
459 | 485 | <Index>1</Index> |
460 | 486 | <ParameterKey>c2_pea_press(0)</ParameterKey> |
461 | 487 | </Element> |
462 | 488 | <Element> |
463 | - <Name>yy</Name> | |
489 | + <Name>xy</Name> | |
464 | 490 | <Index>2</Index> |
491 | + <ParameterKey>c2_pea_press(1)</ParameterKey> | |
492 | + </Element> | |
493 | + <Element> | |
494 | + <Name>xz</Name> | |
495 | + <Index>3</Index> | |
496 | + <ParameterKey>c2_pea_press(2)</ParameterKey> | |
497 | + </Element> | |
498 | + <Element> | |
499 | + <Name>yx</Name> | |
500 | + <Index>4</Index> | |
501 | + <ParameterKey>c2_pea_press(3)</ParameterKey> | |
502 | + </Element> | |
503 | + <Element> | |
504 | + <Name>yy</Name> | |
505 | + <Index>5</Index> | |
465 | 506 | <ParameterKey>c2_pea_press(4)</ParameterKey> |
466 | 507 | </Element> |
467 | 508 | <Element> |
509 | + <Name>yz</Name> | |
510 | + <Index>6</Index> | |
511 | + <ParameterKey>c2_pea_press(5)</ParameterKey> | |
512 | + </Element> | |
513 | + <Element> | |
514 | + <Name>zx</Name> | |
515 | + <Index>7</Index> | |
516 | + <ParameterKey>c2_pea_press(6)</ParameterKey> | |
517 | + </Element> | |
518 | + <Element> | |
519 | + <Name>zy</Name> | |
520 | + <Index>8</Index> | |
521 | + <ParameterKey>c2_pea_press(7)</ParameterKey> | |
522 | + </Element> | |
523 | + <Element> | |
468 | 524 | <Name>zz</Name> |
469 | - <Index>3</Index> | |
525 | + <Index>9</Index> | |
470 | 526 | <ParameterKey>c2_pea_press(8)</ParameterKey> |
471 | 527 | </Element> |
472 | 528 | </Structure> |
... | ... | @@ -479,7 +535,9 @@ |
479 | 535 | <Parameter> |
480 | 536 | <Name>t_para</Name> |
481 | 537 | <ParameterKey>c2_pea_tpar</ParameterKey> |
482 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment parallel electron temperature at spin time resolution</Description> | |
538 | + <Description> | |
539 | + Parallel electron temperature at spin time resolution | |
540 | + </Description> | |
483 | 541 | <Ucd>phys.temperature;phys.electron</Ucd> |
484 | 542 | <Cadence>PT4S</Cadence> |
485 | 543 | <Units>eV</Units> |
... | ... | @@ -496,14 +554,15 @@ |
496 | 554 | <Parameter> |
497 | 555 | <Name>t_perp</Name> |
498 | 556 | <ParameterKey>c2_pea_tperp</ParameterKey> |
499 | - <Description>Cluster II Salsa Prime Parameter Plasma Electron and Current Experiment perpendicular electron temperature at spin time resolution</Description> | |
557 | + <Description> | |
558 | + Perpendicular electron temperature at spin time resolution | |
559 | + </Description> | |
500 | 560 | <Ucd>phys.temperature;phys.electron</Ucd> |
501 | 561 | <Cadence>PT4S</Cadence> |
502 | 562 | <Units>eV</Units> |
503 | 563 | <RenderingHints> |
504 | 564 | <DisplayType>TimeSeries</DisplayType> |
505 | 565 | </RenderingHints> |
506 | - <FillValue>-1.0000e+31</FillValue> | |
507 | 566 | <Particle> |
508 | 567 | <ParticleType>Electron</ParticleType> |
509 | 568 | <Qualifier>Scalar</Qualifier> | ... | ... |
NumericalData/AMDA/Cluster/Cluster3/PEACE/clust3-pea-mom.xml
... | ... | @@ -5,52 +5,61 @@ |
5 | 5 | <ResourceID>spase://CDPP/NumericalData/AMDA/Cluster/Cluster3/PEACE/clust3-pea-mom</ResourceID> |
6 | 6 | <ResourceHeader> |
7 | 7 | <ResourceName>electron moments</ResourceName> |
8 | - <AlternateName>Cluster 3 Prime Parameter PEACE Data</AlternateName> | |
9 | - <ReleaseDate>2015-10-19T15:51:44Z</ReleaseDate> | |
10 | - <Description>The primary task of this instrument (PEACE: Plasma Electrons and Currents Experiment) | |
11 | - is to obtain the velocity moments of the distribution function of electrons as frequently and | |
12 | - as accurately as the spacecraft telemetry will allow. Detector counts are collected in energy, | |
13 | - polar-angle, and azimuth-angle bins to form a three-dimensional matrix. | |
14 | - Two sensors are used: LEEA (low-energy electron analyzer) and HEEA (high-energy electron analyzer). | |
15 | - The energy coverage is from 0.67 eV to 30 KeV in 92 levels. The first 16 levels are equally spaced linearly | |
16 | - up to 10.7 eV; the remainder are logarithmically spaced. Both sensors can use the full range, but the HEEA | |
17 | - will normally operate over a higher energy range than the LEEA. The LEEA specializes in coverage of the | |
18 | - energies from 0.7-10 eV, and has a geometric factor one fifth that of the HEAA. Both sensors consist of | |
19 | - hemispherical electrostatic analyzers of the top-hat type and a detector in the form of an annular | |
20 | - micro-channel plate with a position-sensitive readout. Each sensor covers the range 0-180 degrees | |
21 | - with respect to the spin axis, and they are mounted opposite each other with a view perpendicular | |
22 | - to the spin axis, thus covering the complete angular range in a half rotation of the spacecraft. | |
23 | - The field of view perpendicular to the fan is 2 degrees for the LEEA and 5.6 degrees for the HEEA. | |
24 | - Energy resolution (Delta-E)/E is 0.13 for LEEA and 0.16 for HEEA. There are four sweep modes, | |
25 | - synchronized to the spin period (4 s), to vary the azimuthal angular resolution. | |
26 | - The spin phasing can be made coincident with that of the CIS instrument, to ensure that the electron | |
27 | - and ion moments will be measured simultaneously. On-board processing is used to calculate the moments | |
28 | - of the distribution with an accuracy of 1% and to select suitable parts of the complete distribution | |
29 | - for transmission. The normal science data format is based on one spin period, and consists of core data | |
30 | - followed by other optional distributions as can be fit into the available telemetry for that spin. | |
31 | - The core data (moments, spacecraft potential, and pitch angle distribution) are always transmitted | |
32 | - (if the spin is nominal). The next distribution is transmitted if, before the end of the spin, | |
33 | - all the previous data have been sent. Thus the next spin of data will be transmitted slightly late, | |
34 | - but all of its core data will be transmitted before the following spin of data is started on. | |
35 | - Eventually the transmission will catch up and be able to transmit the distribution after the core again, | |
36 | - but only after some time. This applies at all telemetry rates. The instrument can adapt automatically to | |
37 | - six different telemetry rates: a basic 1.52 Kbps rate (CIS priority); a normal 2.52 Kbps rate; | |
38 | - an enhanced PEACE priority rate of 3.54 Kbps; and three burst mode rates, with a maximum of 15.98 Kbps. | |
39 | - For more details of the Cluster mission, the spacecraft, and its instruments, | |
40 | - see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, | |
41 | - and the included article PEACE: a Plasma Electron and Current Experiment, by A. D. Johnstone et al., | |
42 | - from which this information was obtained.</Description> | |
43 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley, European Space Agency</Acknowledgement> | |
8 | + <AlternateName>Cluster 3 electron moments</AlternateName> | |
9 | + <ReleaseDate>2016-10-16T16:51:44Z</ReleaseDate> | |
10 | + <Description> The CAA Moments data are electron density, velocity vector, | |
11 | + pressure tensor and heat flux vector. The vectors and tensors are provided in GSE coordinates. Velocity and temperature | |
12 | + are also provided as components perpendicular and parallel to the magnetic field. | |
13 | + The magnetic field data is taken from CSDS FGM PP data, at present. In a possible future | |
14 | + release we would ideally use CAA FGM data, but it is considered unlikely that there will be major differences except in | |
15 | + very weak field regions. Furthermore : | |
16 | + * T_perp and T_para are determined by projecting the pressure tensor along the magnetic field and dividing by the density and by Boltzmanns constant. T_perp is the average of the two perpendicular components. | |
17 | + * v_para = (v.b) b and v_perp = v - (v.b) b. where v is the velocity vector and b is the magnetic field unit vector. | |
18 | + | |
19 | + These data are produced on the ground using 3-D data and thus are available at time resolutions which are limited by the | |
20 | + rate at which 3-D data can be transmitted. The data source used to generate the mome | |
21 | + nts is always the best available resolution 3-D data; this means mainly 3DR data but in the case 3DX or 3DXP are available these | |
22 | + are used instead for the MOMENTS production (see Mode_DataOrigin_HEEA/LEEA). Choices on the best way to combine data from the two | |
23 | + sensors can be made in the moments production software; in the first release the moments are made using LEEA data in the | |
24 | + energy overlap region. | |
25 | + In some situations, use of both sensors together may be a better choice, for example in case | |
26 | + s where the distribution changes | |
27 | + during a spin as the method can resolve time aliasing errors. If resources allow, the Moments | |
28 | + product at CAA may be updated to take advantage of this possibility. | |
29 | + The advantage of these ground - calculated moments is that the best available | |
30 | + calibration data is used, a correction can be made for the spacecraft potential | |
31 | + measurements (collected by the EFW experiment), and spacecraft electrons can be | |
32 | + properly removed. The current release has been generated automatically | |
33 | + using default values to control the approach to | |
34 | + potential correction and photoelectron removal, and has not been systematically human | |
35 | + - validated, so some errors may exist. | |
36 | + Specifically, the spacecraft potential, Vsc, is set to be 1 V greater than the | |
37 | + measured probe - spacecraft potential provided by | |
38 | + the electric field experiment (EFW) and the lower energy cutoff for the moments | |
39 | + integration is set to reject the energy bin | |
40 | + containing the EFW potential and the one above that (which in practice | |
41 | + may also contain counts due to spacecraft electrons). | |
42 | + Sometimes cold electrons are present which can appear in the same energy bin as the spacecraft photoelectrons, | |
43 | + therefore both the cold electrons and spacecraft photoelectrons are removed resulting in underestimated electron densities. | |
44 | + Recent work | |
45 | + by the EFW team suggests a more accurate determination of from would be a term that increases linearly | |
46 | + above ~10 V (Cully et al., 2007) but this has not yet been | |
47 | + implemented in our CAA moments generation code.</Description> | |
48 | + <Acknowledgement>Principal Investigator: Andrew Fazakerley</Acknowledgement> | |
44 | 49 | <Contact> |
45 | - <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID> | |
46 | - <Role>TechnicalContact</Role> | |
47 | - </Contact> | |
48 | - | |
50 | + <PersonID>spase://SMWG/Person/Andrew.N.Fazakerley</PersonID> | |
51 | + <Role>PrincipalInvestigator</Role> | |
52 | + </Contact> | |
49 | 53 | <InformationURL> |
50 | - <Name>NSSDC Master Catalog listing for Cluster II Rumba Plasma Electron and Current Experiment (PEACE)</Name> | |
54 | + <Name>ESA web page</Name> | |
55 | + <URL>http://www.cosmos.esa.int/web/csa/documentation</URL> | |
56 | + <Description>This site contains PEACE data documentation</Description> | |
57 | + </InformationURL> | |
58 | + <InformationURL> | |
59 | + <Name>NSSDC Master Catalog listing for Cluster II Salsa Plasma Electron and Current Experiment (PEACE)</Name> | |
51 | 60 | <URL>http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=2000-045A-05</URL> |
52 | - <Description>This site provides information concerning the Cluster II Rumba Plasma Electron and Current Experiment Instrument.</Description> | |
53 | - </InformationURL> | |
61 | + <Description>This site provides information concerning the Cluster II Salsa Plasma Electron and Current Experiment Instrument.</Description> | |
62 | + </InformationURL> | |
54 | 63 | </ResourceHeader> |
55 | 64 | <AccessInformation> |
56 | 65 | <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID> |
... | ... | @@ -60,19 +69,18 @@ |
60 | 69 | <Name>AMDA at CDPP</Name> |
61 | 70 | <URL>http://amda.cdpp.eu</URL> |
62 | 71 | </AccessURL> |
63 | - <Format>NetCDF</Format> | |
64 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley</Acknowledgement> | |
72 | + <Format>NetCDF</Format> | |
65 | 73 | </AccessInformation> |
66 | 74 | <ProviderName>CSA</ProviderName> |
67 | 75 | <ProcessingLevel>Calibrated</ProcessingLevel> |
68 | - <ProviderResourceName>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment (PEACE) Data</ProviderResourceName> | |
76 | + <ProviderResourceName>C3_CP_PEA_MOMENTS</ProviderResourceName> | |
69 | 77 | <ProviderProcessingLevel>Calibrated</ProviderProcessingLevel> |
70 | - <InstrumentID>spase://CDPP/Instrument/AMDA/Cluster-Samba/PEACE</InstrumentID> | |
78 | + <InstrumentID>spase://CDPP/Instrument/AMDA/Cluster-Salsa/PEACE</InstrumentID> | |
71 | 79 | <MeasurementType>ThermalPlasma</MeasurementType> |
72 | 80 | <TemporalDescription> |
73 | 81 | <TimeSpan> |
74 | - <StartDate>2001-01-09T15:15:12Z</StartDate> | |
75 | - <StopDate>2013-06-30T23:59:39Z</StopDate> | |
82 | + <StartDate>2001-01-10T00:02:11Z</StartDate> | |
83 | + <StopDate>2013-06-30T12:39:50Z</StopDate> | |
76 | 84 | </TimeSpan> |
77 | 85 | <Cadence_Min>PT4S</Cadence_Min> |
78 | 86 | <Cadence_Max>PT160S</Cadence_Max> |
... | ... | @@ -101,8 +109,10 @@ |
101 | 109 | <Keyword>lobe</Keyword> |
102 | 110 | <Parameter> |
103 | 111 | <Name>density</Name> |
104 | - <ParameterKey>c3_pea_dens</ParameterKey> | |
105 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron number density at spin time resolution</Description> | |
112 | + <ParameterKey>c2_pea_dens</ParameterKey> | |
113 | + <Description> | |
114 | + Electron number density at spin time resolution | |
115 | + </Description> | |
106 | 116 | <Ucd>phys.density;phys.electron</Ucd> |
107 | 117 | <Cadence>PT4S</Cadence> |
108 | 118 | <Units>cm^-3</Units> |
... | ... | @@ -124,8 +134,10 @@ |
124 | 134 | </Parameter> |
125 | 135 | <Parameter> |
126 | 136 | <Name>v_gse</Name> |
127 | - <ParameterKey>c3_pea_vgse</ParameterKey> | |
128 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
137 | + <ParameterKey>c2_pea_vgse</ParameterKey> | |
138 | + <Description> | |
139 | + Electron velocity at spin time resolution | |
140 | + </Description> | |
129 | 141 | <Ucd>phys.veloc;phys.electron</Ucd> |
130 | 142 | <Cadence>PT4S</Cadence> |
131 | 143 | <Units>km/s</Units> |
... | ... | @@ -145,19 +157,19 @@ |
145 | 157 | <Name>vx</Name> |
146 | 158 | <Qualifier>Component.I</Qualifier> |
147 | 159 | <Index>1</Index> |
148 | - <ParameterKey>c3_pea_vgse(0)</ParameterKey> | |
160 | + <ParameterKey>c2_pea_vgse(0)</ParameterKey> | |
149 | 161 | </Element> |
150 | 162 | <Element> |
151 | 163 | <Name>vy</Name> |
152 | 164 | <Qualifier>Component.J</Qualifier> |
153 | 165 | <Index>2</Index> |
154 | - <ParameterKey>c3_pea_vgse(1)</ParameterKey> | |
166 | + <ParameterKey>c2_pea_vgse(1)</ParameterKey> | |
155 | 167 | </Element> |
156 | 168 | <Element> |
157 | 169 | <Name>vz</Name> |
158 | 170 | <Qualifier>Component.K</Qualifier> |
159 | 171 | <Index>3</Index> |
160 | - <ParameterKey>c3_pea_vgse(2)</ParameterKey> | |
172 | + <ParameterKey>c2_pea_vgse(2)</ParameterKey> | |
161 | 173 | </Element> |
162 | 174 | </Structure> |
163 | 175 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -171,8 +183,10 @@ |
171 | 183 | </Parameter> |
172 | 184 | <Parameter> |
173 | 185 | <Name>v_gsm</Name> |
174 | - <ParameterKey>c3_pea_vgsm</ParameterKey> | |
175 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
186 | + <ParameterKey>c2_pea_vgsm</ParameterKey> | |
187 | + <Description> | |
188 | + Electron velocity at spin time resolution, in GSM | |
189 | + </Description> | |
176 | 190 | <Ucd>phys.veloc;phys.electron</Ucd> |
177 | 191 | <Cadence>PT4S</Cadence> |
178 | 192 | <Units>km/s</Units> |
... | ... | @@ -192,19 +206,19 @@ |
192 | 206 | <Name>vx</Name> |
193 | 207 | <Qualifier>Component.I</Qualifier> |
194 | 208 | <Index>1</Index> |
195 | - <ParameterKey>c3_pea_vgsm(0)</ParameterKey> | |
209 | + <ParameterKey>c2_pea_vgsm(0)</ParameterKey> | |
196 | 210 | </Element> |
197 | 211 | <Element> |
198 | 212 | <Name>vy</Name> |
199 | 213 | <Qualifier>Component.J</Qualifier> |
200 | 214 | <Index>2</Index> |
201 | - <ParameterKey>c3_pea_vgsm(1)</ParameterKey> | |
215 | + <ParameterKey>c2_pea_vgsm(1)</ParameterKey> | |
202 | 216 | </Element> |
203 | 217 | <Element> |
204 | 218 | <Name>vz</Name> |
205 | 219 | <Qualifier>Component.K</Qualifier> |
206 | 220 | <Index>3</Index> |
207 | - <ParameterKey>c3_pea_vgsm(2)</ParameterKey> | |
221 | + <ParameterKey>c2_pea_vgsm(2)</ParameterKey> | |
208 | 222 | </Element> |
209 | 223 | </Structure> |
210 | 224 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -218,8 +232,10 @@ |
218 | 232 | </Parameter> |
219 | 233 | <Parameter> |
220 | 234 | <Name>v_para_gse</Name> |
221 | - <ParameterKey>c3_pea_vpar</ParameterKey> | |
222 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
235 | + <ParameterKey>c2_pea_vpar</ParameterKey> | |
236 | + <Description> | |
237 | + Electron parallel velocity at spin time resolution, in GSE | |
238 | + </Description> | |
223 | 239 | <Ucd>phys.veloc;phys.electron</Ucd> |
224 | 240 | <Cadence>PT4S</Cadence> |
225 | 241 | <Units>km/s</Units> |
... | ... | @@ -239,19 +255,19 @@ |
239 | 255 | <Name>vx</Name> |
240 | 256 | <Qualifier>Component.I</Qualifier> |
241 | 257 | <Index>1</Index> |
242 | - <ParameterKey>c3_pea_vpar(0)</ParameterKey> | |
258 | + <ParameterKey>c2_pea_vpar(0)</ParameterKey> | |
243 | 259 | </Element> |
244 | 260 | <Element> |
245 | 261 | <Name>vy</Name> |
246 | 262 | <Qualifier>Component.J</Qualifier> |
247 | 263 | <Index>2</Index> |
248 | - <ParameterKey>c3_pea_vpar(1)</ParameterKey> | |
264 | + <ParameterKey>c2_pea_vpar(1)</ParameterKey> | |
249 | 265 | </Element> |
250 | 266 | <Element> |
251 | 267 | <Name>vz</Name> |
252 | 268 | <Qualifier>Component.K</Qualifier> |
253 | 269 | <Index>3</Index> |
254 | - <ParameterKey>c3_pea_vpar(2)</ParameterKey> | |
270 | + <ParameterKey>c2_pea_vpar(2)</ParameterKey> | |
255 | 271 | </Element> |
256 | 272 | </Structure> |
257 | 273 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -265,8 +281,10 @@ |
265 | 281 | </Parameter> |
266 | 282 | <Parameter> |
267 | 283 | <Name>v_para_gsm</Name> |
268 | - <ParameterKey>c3_pea_vpar_gsm</ParameterKey> | |
269 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
284 | + <ParameterKey>c2_pea_vpar_gsm</ParameterKey> | |
285 | + <Description> | |
286 | + Electron parallel velocity at spin time resolution, in GSM | |
287 | + </Description> | |
270 | 288 | <Ucd>phys.veloc;phys.electron</Ucd> |
271 | 289 | <Cadence>PT4S</Cadence> |
272 | 290 | <Units>km/s</Units> |
... | ... | @@ -286,19 +304,19 @@ |
286 | 304 | <Name>vx</Name> |
287 | 305 | <Qualifier>Component.I</Qualifier> |
288 | 306 | <Index>1</Index> |
289 | - <ParameterKey>c3_pea_vpar_gsm(0)</ParameterKey> | |
307 | + <ParameterKey>c2_pea_vpar_gsm(0)</ParameterKey> | |
290 | 308 | </Element> |
291 | 309 | <Element> |
292 | 310 | <Name>vy</Name> |
293 | 311 | <Qualifier>Component.J</Qualifier> |
294 | 312 | <Index>2</Index> |
295 | - <ParameterKey>c3_pea_vpar_gsm(1)</ParameterKey> | |
313 | + <ParameterKey>c2_pea_vpar_gsm(1)</ParameterKey> | |
296 | 314 | </Element> |
297 | 315 | <Element> |
298 | 316 | <Name>vz</Name> |
299 | 317 | <Qualifier>Component.K</Qualifier> |
300 | 318 | <Index>3</Index> |
301 | - <ParameterKey>c3_pea_vpar_gsm(2)</ParameterKey> | |
319 | + <ParameterKey>c2_pea_vpar_gsm(2)</ParameterKey> | |
302 | 320 | </Element> |
303 | 321 | </Structure> |
304 | 322 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -312,8 +330,10 @@ |
312 | 330 | </Parameter> |
313 | 331 | <Parameter> |
314 | 332 | <Name>v_perp_gse</Name> |
315 | - <ParameterKey>c3_pea_vperp</ParameterKey> | |
316 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
333 | + <ParameterKey>c2_pea_vperp</ParameterKey> | |
334 | + <Description> | |
335 | + Electron perpendicular velocity at spin time resolution, in GSE | |
336 | + </Description> | |
317 | 337 | <Ucd>phys.veloc;phys.electron</Ucd> |
318 | 338 | <Cadence>PT4S</Cadence> |
319 | 339 | <Units>km/s</Units> |
... | ... | @@ -333,19 +353,19 @@ |
333 | 353 | <Name>vx</Name> |
334 | 354 | <Qualifier>Component.I</Qualifier> |
335 | 355 | <Index>1</Index> |
336 | - <ParameterKey>c3_pea_vperp(0)</ParameterKey> | |
356 | + <ParameterKey>c2_pea_vperp(0)</ParameterKey> | |
337 | 357 | </Element> |
338 | 358 | <Element> |
339 | 359 | <Name>vy</Name> |
340 | 360 | <Qualifier>Component.J</Qualifier> |
341 | 361 | <Index>2</Index> |
342 | - <ParameterKey>c3_pea_vperp(1)</ParameterKey> | |
362 | + <ParameterKey>c2_pea_vperp(1)</ParameterKey> | |
343 | 363 | </Element> |
344 | 364 | <Element> |
345 | 365 | <Name>vz</Name> |
346 | 366 | <Qualifier>Component.K</Qualifier> |
347 | 367 | <Index>3</Index> |
348 | - <ParameterKey>c3_pea_vperp(2)</ParameterKey> | |
368 | + <ParameterKey>c2_pea_vperp(2)</ParameterKey> | |
349 | 369 | </Element> |
350 | 370 | </Structure> |
351 | 371 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -359,8 +379,10 @@ |
359 | 379 | </Parameter> |
360 | 380 | <Parameter> |
361 | 381 | <Name>v_perp_gsm</Name> |
362 | - <ParameterKey>c3_pea_vperp_gsm</ParameterKey> | |
363 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
382 | + <ParameterKey>c2_pea_vperp_gsm</ParameterKey> | |
383 | + <Description> | |
384 | + Electron perpendicular velocity at spin time resolution, in GSM | |
385 | + </Description> | |
364 | 386 | <Ucd>phys.veloc;phys.electron</Ucd> |
365 | 387 | <Cadence>PT4S</Cadence> |
366 | 388 | <Units>km/s</Units> |
... | ... | @@ -380,19 +402,19 @@ |
380 | 402 | <Name>vx</Name> |
381 | 403 | <Qualifier>Component.I</Qualifier> |
382 | 404 | <Index>1</Index> |
383 | - <ParameterKey>c3_pea_vperp_gsm(0)</ParameterKey> | |
405 | + <ParameterKey>c2_pea_vperp_gsm(0)</ParameterKey> | |
384 | 406 | </Element> |
385 | 407 | <Element> |
386 | 408 | <Name>vy</Name> |
387 | 409 | <Qualifier>Component.J</Qualifier> |
388 | 410 | <Index>2</Index> |
389 | - <ParameterKey>c3_pea_vperp_gsm(1)</ParameterKey> | |
411 | + <ParameterKey>c2_pea_vperp_gsm(1)</ParameterKey> | |
390 | 412 | </Element> |
391 | 413 | <Element> |
392 | 414 | <Name>vz</Name> |
393 | 415 | <Qualifier>Component.K</Qualifier> |
394 | 416 | <Index>3</Index> |
395 | - <ParameterKey>c3_pea_vperp_gsm(2)</ParameterKey> | |
417 | + <ParameterKey>c2_pea_vperp_gsm(2)</ParameterKey> | |
396 | 418 | </Element> |
397 | 419 | </Structure> |
398 | 420 | <ValidMin>-10000</ValidMin> |
... | ... | @@ -406,11 +428,13 @@ |
406 | 428 | </Parameter> |
407 | 429 | <Parameter> |
408 | 430 | <Name>heat_flux_gse</Name> |
409 | - <ParameterKey>c3_pea_flux</ParameterKey> | |
410 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment parallel electron heat flux at spin time resolution</Description> | |
431 | + <ParameterKey>c2_pea_flux</ParameterKey> | |
432 | + <Description> | |
433 | + Parallel electron heat flux at spin time resolution, in GSE | |
434 | + </Description> | |
411 | 435 | <Ucd>phys.heatflux;phys.atmol.ionStage</Ucd> |
412 | 436 | <Cadence>PT4S</Cadence> |
413 | - <Units>microW/m^2</Units> | |
437 | + <Units>microW/m^2</Units> | |
414 | 438 | <RenderingHints> |
415 | 439 | <DisplayType>TimeSeries</DisplayType> |
416 | 440 | </RenderingHints> |
... | ... | @@ -419,17 +443,17 @@ |
419 | 443 | <Element> |
420 | 444 | <Name>flux_x</Name> |
421 | 445 | <Index>1</Index> |
422 | - <ParameterKey>c3_pea_flux(0)</ParameterKey> | |
446 | + <ParameterKey>c2_pea_flux(0)</ParameterKey> | |
423 | 447 | </Element> |
424 | 448 | <Element> |
425 | 449 | <Name>flux_y</Name> |
426 | 450 | <Index>1</Index> |
427 | - <ParameterKey>c3_pea_flux(1)</ParameterKey> | |
451 | + <ParameterKey>c2_pea_flux(1)</ParameterKey> | |
428 | 452 | </Element> |
429 | 453 | <Element> |
430 | 454 | <Name>flux_z</Name> |
431 | 455 | <Index>1</Index> |
432 | - <ParameterKey>c3_pea_flux(2)</ParameterKey> | |
456 | + <ParameterKey>c2_pea_flux(2)</ParameterKey> | |
433 | 457 | </Element> |
434 | 458 | </Structure> |
435 | 459 | <Particle> |
... | ... | @@ -440,8 +464,10 @@ |
440 | 464 | </Parameter> |
441 | 465 | <Parameter> |
442 | 466 | <Name>pressure_gse</Name> |
443 | - <ParameterKey>c3_pea_press</ParameterKey> | |
444 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment parallel pressure tensor at spin time resolution</Description> | |
467 | + <ParameterKey>c2_pea_press</ParameterKey> | |
468 | + <Description> | |
469 | + Electron pressure tensor at spin time resolution, in GSE | |
470 | + </Description> | |
445 | 471 | <Ucd>phys.pressure</Ucd> |
446 | 472 | <Cadence>PT4S</Cadence> |
447 | 473 | <Units>microW/m^2</Units> |
... | ... | @@ -453,21 +479,51 @@ |
453 | 479 | <DisplayType>TimeSeries</DisplayType> |
454 | 480 | </RenderingHints> |
455 | 481 | <Structure> |
456 | - <Size>3</Size> | |
482 | + <Size>9</Size> | |
457 | 483 | <Element> |
458 | 484 | <Name>xx</Name> |
459 | 485 | <Index>1</Index> |
460 | - <ParameterKey>c3_pea_press(0)</ParameterKey> | |
486 | + <ParameterKey>c2_pea_press(0)</ParameterKey> | |
461 | 487 | </Element> |
462 | 488 | <Element> |
463 | - <Name>yy</Name> | |
489 | + <Name>xy</Name> | |
464 | 490 | <Index>2</Index> |
465 | - <ParameterKey>c3_pea_press(4)</ParameterKey> | |
491 | + <ParameterKey>c2_pea_press(1)</ParameterKey> | |
466 | 492 | </Element> |
467 | 493 | <Element> |
468 | - <Name>zz</Name> | |
494 | + <Name>xz</Name> | |
469 | 495 | <Index>3</Index> |
470 | - <ParameterKey>c3_pea_press(8)</ParameterKey> | |
496 | + <ParameterKey>c2_pea_press(2)</ParameterKey> | |
497 | + </Element> | |
498 | + <Element> | |
499 | + <Name>yx</Name> | |
500 | + <Index>4</Index> | |
501 | + <ParameterKey>c2_pea_press(3)</ParameterKey> | |
502 | + </Element> | |
503 | + <Element> | |
504 | + <Name>yy</Name> | |
505 | + <Index>5</Index> | |
506 | + <ParameterKey>c2_pea_press(4)</ParameterKey> | |
507 | + </Element> | |
508 | + <Element> | |
509 | + <Name>yz</Name> | |
510 | + <Index>6</Index> | |
511 | + <ParameterKey>c2_pea_press(5)</ParameterKey> | |
512 | + </Element> | |
513 | + <Element> | |
514 | + <Name>zx</Name> | |
515 | + <Index>7</Index> | |
516 | + <ParameterKey>c2_pea_press(6)</ParameterKey> | |
517 | + </Element> | |
518 | + <Element> | |
519 | + <Name>zy</Name> | |
520 | + <Index>8</Index> | |
521 | + <ParameterKey>c2_pea_press(7)</ParameterKey> | |
522 | + </Element> | |
523 | + <Element> | |
524 | + <Name>zz</Name> | |
525 | + <Index>9</Index> | |
526 | + <ParameterKey>c2_pea_press(8)</ParameterKey> | |
471 | 527 | </Element> |
472 | 528 | </Structure> |
473 | 529 | <Particle> |
... | ... | @@ -478,8 +534,10 @@ |
478 | 534 | </Parameter> |
479 | 535 | <Parameter> |
480 | 536 | <Name>t_para</Name> |
481 | - <ParameterKey>c3_pea_tpar</ParameterKey> | |
482 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment parallel electron temperature at spin time resolution</Description> | |
537 | + <ParameterKey>c2_pea_tpar</ParameterKey> | |
538 | + <Description> | |
539 | + Parallel electron temperature at spin time resolution | |
540 | + </Description> | |
483 | 541 | <Ucd>phys.temperature;phys.electron</Ucd> |
484 | 542 | <Cadence>PT4S</Cadence> |
485 | 543 | <Units>eV</Units> |
... | ... | @@ -495,15 +553,16 @@ |
495 | 553 | </Parameter> |
496 | 554 | <Parameter> |
497 | 555 | <Name>t_perp</Name> |
498 | - <ParameterKey>c3_pea_tperp</ParameterKey> | |
499 | - <Description>Cluster II Samba Prime Parameter Plasma Electron and Current Experiment perpendicular electron temperature at spin time resolution</Description> | |
556 | + <ParameterKey>c2_pea_tperp</ParameterKey> | |
557 | + <Description> | |
558 | + Perpendicular electron temperature at spin time resolution | |
559 | + </Description> | |
500 | 560 | <Ucd>phys.temperature;phys.electron</Ucd> |
501 | 561 | <Cadence>PT4S</Cadence> |
502 | 562 | <Units>eV</Units> |
503 | 563 | <RenderingHints> |
504 | 564 | <DisplayType>TimeSeries</DisplayType> |
505 | 565 | </RenderingHints> |
506 | - <FillValue>-1.0000e+31</FillValue> | |
507 | 566 | <Particle> |
508 | 567 | <ParticleType>Electron</ParticleType> |
509 | 568 | <Qualifier>Scalar</Qualifier> | ... | ... |
NumericalData/AMDA/Cluster/Cluster4/PEACE/clust4-pea-mom.xml
... | ... | @@ -5,51 +5,61 @@ |
5 | 5 | <ResourceID>spase://CDPP/NumericalData/AMDA/Cluster/Cluster4/PEACE/clust4-pea-mom</ResourceID> |
6 | 6 | <ResourceHeader> |
7 | 7 | <ResourceName>electron moments</ResourceName> |
8 | - <AlternateName>Cluster 4 Prime Parameter PEACE Data</AlternateName> | |
9 | - <ReleaseDate>2015-10-16T16:51:44Z</ReleaseDate> | |
10 | - <Description>The primary task of this instrument (PEACE: Plasma Electrons and Currents Experiment) | |
11 | - is to obtain the velocity moments of the distribution function of electrons as frequently and | |
12 | - as accurately as the spacecraft telemetry will allow. Detector counts are collected in energy, | |
13 | - polar-angle, and azimuth-angle bins to form a three-dimensional matrix. | |
14 | - Two sensors are used: LEEA (low-energy electron analyzer) and HEEA (high-energy electron analyzer). | |
15 | - The energy coverage is from 0.67 eV to 30 KeV in 92 levels. The first 16 levels are equally spaced linearly | |
16 | - up to 10.7 eV; the remainder are logarithmically spaced. Both sensors can use the full range, but the HEEA | |
17 | - will normally operate over a higher energy range than the LEEA. The LEEA specializes in coverage of the | |
18 | - energies from 0.7-10 eV, and has a geometric factor one fifth that of the HEAA. Both sensors consist of | |
19 | - hemispherical electrostatic analyzers of the top-hat type and a detector in the form of an annular | |
20 | - micro-channel plate with a position-sensitive readout. Each sensor covers the range 0-180 degrees | |
21 | - with respect to the spin axis, and they are mounted opposite each other with a view perpendicular | |
22 | - to the spin axis, thus covering the complete angular range in a half rotation of the spacecraft. | |
23 | - The field of view perpendicular to the fan is 2 degrees for the LEEA and 5.6 degrees for the HEEA. | |
24 | - Energy resolution (Delta-E)/E is 0.13 for LEEA and 0.16 for HEEA. There are four sweep modes, | |
25 | - synchronized to the spin period (4 s), to vary the azimuthal angular resolution. | |
26 | - The spin phasing can be made coincident with that of the CIS instrument, to ensure that the electron | |
27 | - and ion moments will be measured simultaneously. On-board processing is used to calculate the moments | |
28 | - of the distribution with an accuracy of 1% and to select suitable parts of the complete distribution | |
29 | - for transmission. The normal science data format is based on one spin period, and consists of core data | |
30 | - followed by other optional distributions as can be fit into the available telemetry for that spin. | |
31 | - The core data (moments, spacecraft potential, and pitch angle distribution) are always transmitted | |
32 | - (if the spin is nominal). The next distribution is transmitted if, before the end of the spin, | |
33 | - all the previous data have been sent. Thus the next spin of data will be transmitted slightly late, | |
34 | - but all of its core data will be transmitted before the following spin of data is started on. | |
35 | - Eventually the transmission will catch up and be able to transmit the distribution after the core again, | |
36 | - but only after some time. This applies at all telemetry rates. The instrument can adapt automatically to | |
37 | - six different telemetry rates: a basic 1.52 Kbps rate (CIS priority); a normal 2.52 Kbps rate; | |
38 | - an enhanced PEACE priority rate of 3.54 Kbps; and three burst mode rates, with a maximum of 15.98 Kbps. | |
39 | - For more details of the Cluster mission, the spacecraft, and its instruments, | |
40 | - see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, | |
41 | - and the included article PEACE: a Plasma Electron and Current Experiment, by A. D. Johnstone et al., | |
42 | - from which this information was obtained.</Description> | |
43 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley, European Space Agency</Acknowledgement> | |
8 | + <AlternateName>Cluster 4 electron moments</AlternateName> | |
9 | + <ReleaseDate>2016-10-16T16:51:44Z</ReleaseDate> | |
10 | + <Description> The CAA Moments data are electron density, velocity vector, | |
11 | + pressure tensor and heat flux vector. The vectors and tensors are provided in GSE coordinates. Velocity and temperature | |
12 | + are also provided as components perpendicular and parallel to the magnetic field. | |
13 | + The magnetic field data is taken from CSDS FGM PP data, at present. In a possible future | |
14 | + release we would ideally use CAA FGM data, but it is considered unlikely that there will be major differences except in | |
15 | + very weak field regions. Furthermore : | |
16 | + * T_perp and T_para are determined by projecting the pressure tensor along the magnetic field and dividing by the density and by Boltzmanns constant. T_perp is the average of the two perpendicular components. | |
17 | + * v_para = (v.b) b and v_perp = v - (v.b) b. where v is the velocity vector and b is the magnetic field unit vector. | |
18 | + | |
19 | + These data are produced on the ground using 3-D data and thus are available at time resolutions which are limited by the | |
20 | + rate at which 3-D data can be transmitted. The data source used to generate the mome | |
21 | + nts is always the best available resolution 3-D data; this means mainly 3DR data but in the case 3DX or 3DXP are available these | |
22 | + are used instead for the MOMENTS production (see Mode_DataOrigin_HEEA/LEEA). Choices on the best way to combine data from the two | |
23 | + sensors can be made in the moments production software; in the first release the moments are made using LEEA data in the | |
24 | + energy overlap region. | |
25 | + In some situations, use of both sensors together may be a better choice, for example in case | |
26 | + s where the distribution changes | |
27 | + during a spin as the method can resolve time aliasing errors. If resources allow, the Moments | |
28 | + product at CAA may be updated to take advantage of this possibility. | |
29 | + The advantage of these ground - calculated moments is that the best available | |
30 | + calibration data is used, a correction can be made for the spacecraft potential | |
31 | + measurements (collected by the EFW experiment), and spacecraft electrons can be | |
32 | + properly removed. The current release has been generated automatically | |
33 | + using default values to control the approach to | |
34 | + potential correction and photoelectron removal, and has not been systematically human | |
35 | + - validated, so some errors may exist. | |
36 | + Specifically, the spacecraft potential, Vsc, is set to be 1 V greater than the | |
37 | + measured probe - spacecraft potential provided by | |
38 | + the electric field experiment (EFW) and the lower energy cutoff for the moments | |
39 | + integration is set to reject the energy bin | |
40 | + containing the EFW potential and the one above that (which in practice | |
41 | + may also contain counts due to spacecraft electrons). | |
42 | + Sometimes cold electrons are present which can appear in the same energy bin as the spacecraft photoelectrons, | |
43 | + therefore both the cold electrons and spacecraft photoelectrons are removed resulting in underestimated electron densities. | |
44 | + Recent work | |
45 | + by the EFW team suggests a more accurate determination of from would be a term that increases linearly | |
46 | + above ~10 V (Cully et al., 2007) but this has not yet been | |
47 | + implemented in our CAA moments generation code.</Description> | |
48 | + <Acknowledgement>Principal Investigator: Andrew Fazakerley</Acknowledgement> | |
44 | 49 | <Contact> |
45 | - <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID> | |
46 | - <Role>TechnicalContact</Role> | |
47 | - </Contact> | |
50 | + <PersonID>spase://SMWG/Person/Andrew.N.Fazakerley</PersonID> | |
51 | + <Role>PrincipalInvestigator</Role> | |
52 | + </Contact> | |
53 | + <InformationURL> | |
54 | + <Name>ESA web page</Name> | |
55 | + <URL>http://www.cosmos.esa.int/web/csa/documentation</URL> | |
56 | + <Description>This site contains PEACE data documentation</Description> | |
57 | + </InformationURL> | |
48 | 58 | <InformationURL> |
49 | 59 | <Name>NSSDC Master Catalog listing for Cluster II Tango Plasma Electron and Current Experiment (PEACE)</Name> |
50 | 60 | <URL>http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=2000-045A-05</URL> |
51 | 61 | <Description>This site provides information concerning the Cluster II Tango Plasma Electron and Current Experiment Instrument.</Description> |
52 | - </InformationURL> | |
62 | + </InformationURL> | |
53 | 63 | </ResourceHeader> |
54 | 64 | <AccessInformation> |
55 | 65 | <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID> |
... | ... | @@ -59,19 +69,18 @@ |
59 | 69 | <Name>AMDA at CDPP</Name> |
60 | 70 | <URL>http://amda.cdpp.eu</URL> |
61 | 71 | </AccessURL> |
62 | - <Format>NetCDF</Format> | |
63 | - <Acknowledgement>NASA, Dr. Andrew N. Fazakerley</Acknowledgement> | |
72 | + <Format>NetCDF</Format> | |
64 | 73 | </AccessInformation> |
65 | 74 | <ProviderName>CSA</ProviderName> |
66 | 75 | <ProcessingLevel>Calibrated</ProcessingLevel> |
67 | - <ProviderResourceName>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment (PEACE) Data</ProviderResourceName> | |
76 | + <ProviderResourceName>C4_CP_PEA_MOMENTS</ProviderResourceName> | |
68 | 77 | <ProviderProcessingLevel>Calibrated</ProviderProcessingLevel> |
69 | 78 | <InstrumentID>spase://CDPP/Instrument/AMDA/Cluster-Tango/PEACE</InstrumentID> |
70 | 79 | <MeasurementType>ThermalPlasma</MeasurementType> |
71 | 80 | <TemporalDescription> |
72 | 81 | <TimeSpan> |
73 | - <StartDate>2001-01-09T15:15:32Z</StartDate> | |
74 | - <StopDate>2013-06-30T12:59:57Z</StopDate> | |
82 | + <StartDate>2001-01-10T00:02:11Z</StartDate> | |
83 | + <StopDate>2013-06-30T12:39:50Z</StopDate> | |
75 | 84 | </TimeSpan> |
76 | 85 | <Cadence_Min>PT4S</Cadence_Min> |
77 | 86 | <Cadence_Max>PT160S</Cadence_Max> |
... | ... | @@ -101,8 +110,11 @@ |
101 | 110 | <Parameter> |
102 | 111 | <Name>density</Name> |
103 | 112 | <ParameterKey>c4_pea_dens</ParameterKey> |
104 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron number density at spin time resolution</Description> | |
113 | + <Description> | |
114 | + Electron number density at spin time resolution | |
115 | + </Description> | |
105 | 116 | <Ucd>phys.density;phys.electron</Ucd> |
117 | + <Cadence>PT4S</Cadence> | |
106 | 118 | <Units>cm^-3</Units> |
107 | 119 | <UnitsConversion>1.0e6>m^-3</UnitsConversion> |
108 | 120 | <RenderingHints> |
... | ... | @@ -123,8 +135,11 @@ |
123 | 135 | <Parameter> |
124 | 136 | <Name>v_gse</Name> |
125 | 137 | <ParameterKey>c4_pea_vgse</ParameterKey> |
126 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
138 | + <Description> | |
139 | + Electron velocity at spin time resolution | |
140 | + </Description> | |
127 | 141 | <Ucd>phys.veloc;phys.electron</Ucd> |
142 | + <Cadence>PT4S</Cadence> | |
128 | 143 | <Units>km/s</Units> |
129 | 144 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
130 | 145 | <CoordinateSystem> |
... | ... | @@ -169,8 +184,11 @@ |
169 | 184 | <Parameter> |
170 | 185 | <Name>v_gsm</Name> |
171 | 186 | <ParameterKey>c4_pea_vgsm</ParameterKey> |
172 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
187 | + <Description> | |
188 | + Electron velocity at spin time resolution, in GSM | |
189 | + </Description> | |
173 | 190 | <Ucd>phys.veloc;phys.electron</Ucd> |
191 | + <Cadence>PT4S</Cadence> | |
174 | 192 | <Units>km/s</Units> |
175 | 193 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
176 | 194 | <CoordinateSystem> |
... | ... | @@ -215,8 +233,11 @@ |
215 | 233 | <Parameter> |
216 | 234 | <Name>v_para_gse</Name> |
217 | 235 | <ParameterKey>c4_pea_vpar</ParameterKey> |
218 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
236 | + <Description> | |
237 | + Electron parallel velocity at spin time resolution, in GSE | |
238 | + </Description> | |
219 | 239 | <Ucd>phys.veloc;phys.electron</Ucd> |
240 | + <Cadence>PT4S</Cadence> | |
220 | 241 | <Units>km/s</Units> |
221 | 242 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
222 | 243 | <CoordinateSystem> |
... | ... | @@ -261,8 +282,11 @@ |
261 | 282 | <Parameter> |
262 | 283 | <Name>v_para_gsm</Name> |
263 | 284 | <ParameterKey>c4_pea_vpar_gsm</ParameterKey> |
264 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
285 | + <Description> | |
286 | + Electron parallel velocity at spin time resolution, in GSM | |
287 | + </Description> | |
265 | 288 | <Ucd>phys.veloc;phys.electron</Ucd> |
289 | + <Cadence>PT4S</Cadence> | |
266 | 290 | <Units>km/s</Units> |
267 | 291 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
268 | 292 | <CoordinateSystem> |
... | ... | @@ -307,8 +331,11 @@ |
307 | 331 | <Parameter> |
308 | 332 | <Name>v_perp_gse</Name> |
309 | 333 | <ParameterKey>c4_pea_vperp</ParameterKey> |
310 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
334 | + <Description> | |
335 | + Electron perpendicular velocity at spin time resolution, in GSE | |
336 | + </Description> | |
311 | 337 | <Ucd>phys.veloc;phys.electron</Ucd> |
338 | + <Cadence>PT4S</Cadence> | |
312 | 339 | <Units>km/s</Units> |
313 | 340 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
314 | 341 | <CoordinateSystem> |
... | ... | @@ -353,8 +380,11 @@ |
353 | 380 | <Parameter> |
354 | 381 | <Name>v_perp_gsm</Name> |
355 | 382 | <ParameterKey>c4_pea_vperp_gsm</ParameterKey> |
356 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment electron velocity at spin time resolution</Description> | |
383 | + <Description> | |
384 | + Electron perpendicular velocity at spin time resolution, in GSM | |
385 | + </Description> | |
357 | 386 | <Ucd>phys.veloc;phys.electron</Ucd> |
387 | + <Cadence>PT4S</Cadence> | |
358 | 388 | <Units>km/s</Units> |
359 | 389 | <UnitsConversion>1.0e3>m s^-1</UnitsConversion> |
360 | 390 | <CoordinateSystem> |
... | ... | @@ -399,9 +429,12 @@ |
399 | 429 | <Parameter> |
400 | 430 | <Name>heat_flux_gse</Name> |
401 | 431 | <ParameterKey>c4_pea_flux</ParameterKey> |
402 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment parallel electron heat flux at spin time resolution</Description> | |
432 | + <Description> | |
433 | + Parallel electron heat flux at spin time resolution, in GSE | |
434 | + </Description> | |
403 | 435 | <Ucd>phys.heatflux;phys.atmol.ionStage</Ucd> |
404 | - <Units>microW/m^2</Units> | |
436 | + <Cadence>PT4S</Cadence> | |
437 | + <Units>microW/m^2</Units> | |
405 | 438 | <RenderingHints> |
406 | 439 | <DisplayType>TimeSeries</DisplayType> |
407 | 440 | </RenderingHints> |
... | ... | @@ -432,8 +465,11 @@ |
432 | 465 | <Parameter> |
433 | 466 | <Name>pressure_gse</Name> |
434 | 467 | <ParameterKey>c4_pea_press</ParameterKey> |
435 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment parallel pressure tensor at spin time resolution</Description> | |
468 | + <Description> | |
469 | + Electron pressure tensor at spin time resolution, in GSE | |
470 | + </Description> | |
436 | 471 | <Ucd>phys.pressure</Ucd> |
472 | + <Cadence>PT4S</Cadence> | |
437 | 473 | <Units>microW/m^2</Units> |
438 | 474 | <CoordinateSystem> |
439 | 475 | <CoordinateRepresentation>Cartesian</CoordinateRepresentation> |
... | ... | @@ -443,20 +479,50 @@ |
443 | 479 | <DisplayType>TimeSeries</DisplayType> |
444 | 480 | </RenderingHints> |
445 | 481 | <Structure> |
446 | - <Size>3</Size> | |
482 | + <Size>9</Size> | |
447 | 483 | <Element> |
448 | 484 | <Name>xx</Name> |
449 | 485 | <Index>1</Index> |
450 | 486 | <ParameterKey>c4_pea_press(0)</ParameterKey> |
451 | 487 | </Element> |
452 | 488 | <Element> |
453 | - <Name>yy</Name> | |
489 | + <Name>xy</Name> | |
454 | 490 | <Index>2</Index> |
491 | + <ParameterKey>c4_pea_press(1)</ParameterKey> | |
492 | + </Element> | |
493 | + <Element> | |
494 | + <Name>xz</Name> | |
495 | + <Index>3</Index> | |
496 | + <ParameterKey>c4_pea_press(2)</ParameterKey> | |
497 | + </Element> | |
498 | + <Element> | |
499 | + <Name>yx</Name> | |
500 | + <Index>4</Index> | |
501 | + <ParameterKey>c4_pea_press(3)</ParameterKey> | |
502 | + </Element> | |
503 | + <Element> | |
504 | + <Name>yy</Name> | |
505 | + <Index>5</Index> | |
455 | 506 | <ParameterKey>c4_pea_press(4)</ParameterKey> |
456 | 507 | </Element> |
457 | 508 | <Element> |
509 | + <Name>yz</Name> | |
510 | + <Index>6</Index> | |
511 | + <ParameterKey>c4_pea_press(5)</ParameterKey> | |
512 | + </Element> | |
513 | + <Element> | |
514 | + <Name>zx</Name> | |
515 | + <Index>7</Index> | |
516 | + <ParameterKey>c4_pea_press(6)</ParameterKey> | |
517 | + </Element> | |
518 | + <Element> | |
519 | + <Name>zy</Name> | |
520 | + <Index>8</Index> | |
521 | + <ParameterKey>c4_pea_press(7)</ParameterKey> | |
522 | + </Element> | |
523 | + <Element> | |
458 | 524 | <Name>zz</Name> |
459 | - <Index>3</Index> | |
525 | + <Index>9</Index> | |
460 | 526 | <ParameterKey>c4_pea_press(8)</ParameterKey> |
461 | 527 | </Element> |
462 | 528 | </Structure> |
... | ... | @@ -469,8 +535,11 @@ |
469 | 535 | <Parameter> |
470 | 536 | <Name>t_para</Name> |
471 | 537 | <ParameterKey>c4_pea_tpar</ParameterKey> |
472 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment parallel electron temperature at spin time resolution</Description> | |
538 | + <Description> | |
539 | + Parallel electron temperature at spin time resolution | |
540 | + </Description> | |
473 | 541 | <Ucd>phys.temperature;phys.electron</Ucd> |
542 | + <Cadence>PT4S</Cadence> | |
474 | 543 | <Units>eV</Units> |
475 | 544 | <RenderingHints> |
476 | 545 | <DisplayType>TimeSeries</DisplayType> |
... | ... | @@ -485,8 +554,11 @@ |
485 | 554 | <Parameter> |
486 | 555 | <Name>t_perp</Name> |
487 | 556 | <ParameterKey>c4_pea_tperp</ParameterKey> |
488 | - <Description>Cluster II Tango Prime Parameter Plasma Electron and Current Experiment perpendicular electron temperature at spin time resolution</Description> | |
557 | + <Description> | |
558 | + Perpendicular electron temperature at spin time resolution | |
559 | + </Description> | |
489 | 560 | <Ucd>phys.temperature;phys.electron</Ucd> |
561 | + <Cadence>PT4S</Cadence> | |
490 | 562 | <Units>eV</Units> |
491 | 563 | <RenderingHints> |
492 | 564 | <DisplayType>TimeSeries</DisplayType> | ... | ... |