CDPP / CNES

Commit e74bdf8215460060541ac8b8ea428bd80beff1d4

Authored by Elena.Budnik
1 parent d0fc0e74
Exists in master and in 12 other branches amdadev, aschulz, autocommit, bepi_master, bepi_update, branch_q, cleanup_registry, cleanup_registry_master, cleanup_registry_merged, juice_jdc, juno_jade, soar

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1 -<?xml version="1.0" encoding="UTF-8"?>  
2 -<Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://cdpp1.cesr.fr/AMDA-NG/public/schemas/spase-amda-1_2_0.xsd">  
3 - <Version>2.2.6</Version>  
4 - <NumericalData>  
5 - <ResourceID>spase://CDPP/NumericalData/AMDA/IMP-8/MIT/imp-mit-n</ResourceID>  
6 - <ResourceHeader>  
7 - <ResourceName>IMP 8 MIT Full Resolution Definitive Interplanetary Plasma Data</ResourceName>  
8 - <AlternateName>IMP 8 Solar Wind Plasma Faraday Cup Data</AlternateName>  
9 - <ReleaseDate>2015-10-16T10:25:59Z</ReleaseDate>  
10 - <Description>The MIT Faraday cup experiment on IMP 8 measures  
11 - currents from solar wind ions, and from these measurements we calculate  
12 - the velocity, density, and temperature of the solar wind. The IMP 8 data  
13 - files consist of fine resolution data (approximately 1 minute resolution).  
14 -  
15 - IMP 8 spins with a period of approximately 2.7s. The Faraday  
16 - Cup (FC) instrument scans the solar wind distribution stepping through a  
17 - contiguous set of energy windows, one step per spacecraft spin. The FC  
18 - instrument divides the spin into thirty-two, 11.25 degree angular sectors  
19 - and integrates the measured currents over different angular sectors  
20 - depending upon the Mode in which the instrument is operating. The border  
21 - between two of the 11.25 degree angular sectors lies on the Sun-spacecraft  
22 - line.  
23 -  
24 - The FC sensor collector plate is divided into two,  
25 - semi-circular halves; the division line is parallel to the spacecraft spin  
26 - plane which is approximately parallel to the ecliptic plane. The split  
27 - collector allow determination of the bulk plasma flow relative to the spin  
28 - plane; North/South angles refer to flows coming from above or below the  
29 - spin plane respectively (flows from the South are designated as having a  
30 - positive N/S angle).  
31 -  
32 - The bulk flow angle in the spin plane is determined from the  
33 - measurements of current vs. rotation angle. The currents telemetered to  
34 - the ground are the sums of currents for the two half-collectors ("A" and  
35 - "B") and, for the TMS and AQM modes, also the current for the  
36 - half-collector "B".  
37 -  
38 - Electrons are measured except for the eight angles near the Sun.  
39 -  
40 - The experiment has two memories only one of which is operating  
41 - perfectly. As a result, only every other TMS spectrum is usable, and the  
42 - time between spectra is usually twice that that would be expected from the  
43 - spacecraft spin rate. The bad half-memory also limits the energy windows  
44 - that can be used in the other modes, since they require both memories to  
45 - hold the data. On occasion, the data are read out rapidly enough by the  
46 - spacecraft to allow repeated use of the good half-memory, and the time  
47 - resolution in the TMS is approximately 32 seconds.  
48 - </Description>  
49 - <Acknowledgement>For papers and presentations using these data,  
50 -please acknowledge the MIT Space Plasma Physics Group and the path through  
51 -which you accessed the data.</Acknowledgement>  
52 - <Contact>  
53 - <PersonID>spase://SMWG/Person/Alan.J.Lazarus</PersonID>  
54 - <Role>PrincipalInvestigator</Role>  
55 - </Contact>  
56 - <Contact>  
57 - <PersonID>spase://SMWG/Person/John.D.Richardson</PersonID>  
58 - <Role>TeamMember</Role>  
59 - </Contact>  
60 - <InformationURL>  
61 - <Name>Readme file at SPDF</Name>  
62 - <URL>ftp://spdf.gsfc.nasa.gov/pub/data/imp/imp8/plasma_mit/sw_msheath_min/00readme.txt</URL>  
63 - <Description>Text created by MIT IMP8 plasma team</Description>  
64 - </InformationURL>  
65 - </ResourceHeader>  
66 - <AccessInformation>  
67 - <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>  
68 - <Availability>Online</Availability>  
69 - <AccessRights>Open</AccessRights>  
70 - <AccessURL>  
71 - <Name>AMDA at CDPP</Name>  
72 - <URL>http://amda.cdpp.eu</URL>  
73 - </AccessURL>  
74 - <Format>NetCDF</Format>  
75 - </AccessInformation>  
76 - <ProviderName>NSSDC</ProviderName>  
77 - <ProcessingLevel>Calibrated</ProcessingLevel>  
78 - <InstrumentID>spase://CDPP/Instrument/AMDA/IMP8/PLS</InstrumentID>  
79 - <MeasurementType>ThermalPlasma</MeasurementType>  
80 - <TemporalDescription>  
81 - <TimeSpan>  
82 - <StartDate>1970-01-01T00:00:00Z</StartDate>  
83 - <StopDate>1970-01-01T00:00:00Z</StopDate>  
84 - </TimeSpan>  
85 - <Cadence>PT58S</Cadence>  
86 - </TemporalDescription>  
87 - <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>  
88 - <ObservedRegion>Earth.Magnetosheath</ObservedRegion>  
89 - <Parameter>  
90 - <Name>Proton density</Name>  
91 - <ParameterKey>imp_mit_n</ParameterKey>  
92 - <Description>Proton number density</Description>  
93 - <Ucd>phys.density;phys.atmol.ionStage</Ucd>  
94 - <Units>cm^-3</Units>  
95 - <UnitsConversion>1e6&gt;m^-3</UnitsConversion>  
96 - <RenderingHints>  
97 - <DisplayType>TimeSeries</DisplayType>  
98 - </RenderingHints>  
99 - <ValidMin>0.0</ValidMin>  
100 - <ValidMax>100.0</ValidMax>  
101 - <FillValue>9999.0</FillValue>  
102 - <Particle>  
103 - <ParticleType>Proton</ParticleType>  
104 - <ParticleType>Ion</ParticleType>  
105 - <Qualifier>Fit</Qualifier>  
106 - <Qualifier>Scalar</Qualifier>  
107 - <ParticleQuantity>NumberDensity</ParticleQuantity>  
108 - </Particle>  
109 - </Parameter>  
110 - <Parameter>  
111 - <Name>V_Bulk</Name>  
112 - <ParameterKey>imp_mit_v</ParameterKey>  
113 - <Description>Ion Flow Velocity (aberration corrected)</Description>  
114 - <Ucd>phys.veloc;phys.atmol.ionStage</Ucd>  
115 - <Units>km/s</Units>  
116 - <UnitsConversion>1e3&gt;m/s</UnitsConversion>  
117 - <CoordinateSystem>  
118 - <CoordinateRepresentation>Spherical</CoordinateRepresentation>  
119 - <CoordinateSystemName>GSE</CoordinateSystemName>  
120 - </CoordinateSystem>  
121 - <RenderingHints>  
122 - <DisplayType>TimeSeries</DisplayType>  
123 - </RenderingHints>  
124 - <ValidMin>100.0</ValidMin>  
125 - <ValidMax>3000.0</ValidMax>  
126 - <FillValue>9999.0</FillValue>  
127 - <Particle>  
128 - <ParticleType>Proton</ParticleType>  
129 - <ParticleType>Ion</ParticleType>  
130 - <Qualifier>Fit</Qualifier>  
131 - <Qualifier>Magnitude</Qualifier>  
132 - <ParticleQuantity>FlowVelocity</ParticleQuantity>  
133 - </Particle>  
134 - </Parameter>  
135 - <Parameter>  
136 - <Name>Proton V thermal</Name>  
137 - <ParameterKey>imp_mit_vth</ParameterKey>  
138 - <Description>Proton most-probable thermal speed (aberration corrected).  
139 - Thermal speed is the most probable thermal speed (i.e., the square root of  
140 - [2kT/m(proton)]). To convert thermal speed to temperature in eV, multiply  
141 - 0.0052 by the square of the thermal speed;  
142 - to convert to temperature [K], multiply the square of the thermal speed by  
143 - 60.5.  
144 - </Description>  
145 - <Ucd>phys.veloc;phys.atmol.ionStage</Ucd>  
146 - <Units>km/s</Units>  
147 - <UnitsConversion>1e3&gt;m/s</UnitsConversion>  
148 - <RenderingHints>  
149 - <DisplayType>TimeSeries</DisplayType>  
150 - </RenderingHints>  
151 - <ValidMin>1.0</ValidMin>  
152 - <ValidMax>500.0</ValidMax>  
153 - <FillValue>9999.0</FillValue>  
154 - <Particle>  
155 - <ParticleType>Proton</ParticleType>  
156 - <ParticleType>Ion</ParticleType>  
157 - <Qualifier>Fit</Qualifier>  
158 - <Qualifier>Scalar</Qualifier>  
159 - <ParticleQuantity>ThermalSpeed</ParticleQuantity>  
160 - </Particle>  
161 - </Parameter>  
162 - <Parameter>  
163 - <Name>E/W flow angle</Name>  
164 - <ParameterKey>imp_mit_velew</ParameterKey>  
165 - <Description>Proton East/West flow angle  
166 - (aberration corrected). Azimuth is E/W, meaning bulk flow from the East  
167 - or the West side of the Sun respectively. Positive azimuth angle means  
168 - flow from the West.</Description>  
169 - <Ucd>pos.posAng;phys.veloc;phys.atmol.ionStage</Ucd>  
170 - <Units>deg</Units>  
171 - <CoordinateSystem>  
172 - <CoordinateRepresentation>Spherical</CoordinateRepresentation>  
173 - <CoordinateSystemName>GSE</CoordinateSystemName>  
174 - </CoordinateSystem>  
175 - <RenderingHints>  
176 - <DisplayType>TimeSeries</DisplayType>  
177 - </RenderingHints>  
178 - <ValidMin>-45.0</ValidMin>  
179 - <ValidMax>45.0</ValidMax>  
180 - <FillValue>9999.0</FillValue>  
181 - <Particle>  
182 - <ParticleType>Proton</ParticleType>  
183 - <ParticleType>Ion</ParticleType>  
184 - <Qualifier>Fit</Qualifier>  
185 - <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>  
186 - <ParticleQuantity>FlowVelocity</ParticleQuantity>  
187 - </Particle>  
188 - </Parameter>  
189 - <Parameter>  
190 - <Name>N/S flow angle</Name>  
191 - <ParameterKey>imp_mit_velns</ParameterKey>  
192 - <Description>Proton North/South flow angle  
193 - (aberration corrected). Azimuth is N/S, meaning bulk flow from the North  
194 - or the South side of the Sun respectively. Positive azimuth angle means  
195 - flow from the North.  
196 - </Description>  
197 - <Ucd>pos.posAng;phys.veloc;phys.atmol.ionStage</Ucd>  
198 - <Units>deg</Units>  
199 - <CoordinateSystem>  
200 - <CoordinateRepresentation>Spherical</CoordinateRepresentation>  
201 - <CoordinateSystemName>GSE</CoordinateSystemName>  
202 - </CoordinateSystem>  
203 - <RenderingHints>  
204 - <DisplayType>TimeSeries</DisplayType>  
205 - </RenderingHints>  
206 - <ValidMin>-45.0</ValidMin>  
207 - <ValidMax>45.0</ValidMax>  
208 - <FillValue>9999.0</FillValue>  
209 - <Particle>  
210 - <ParticleType>Proton</ParticleType>  
211 - <ParticleType>Ion</ParticleType>  
212 - <Qualifier>Fit</Qualifier>  
213 - <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>  
214 - <ParticleQuantity>FlowVelocity</ParticleQuantity>  
215 - </Particle>  
216 - </Parameter>  
217 - </NumericalData>  
218 -</Spase>