<?xml version="1.0" encoding="UTF-8"?> <Spase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.spase-group.org/data/schema" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_2_6.xsd"> <Version>2.2.6</Version> <Instrument> <ResourceID>spase://CDPP/Instrument/AMDA/VEX/IMA</ResourceID> <ResourceHeader> <ResourceName>IMA</ResourceName> <AlternateName>Ion Mass Analyzer</AlternateName> <ReleaseDate>2012-06-13T00:00:00Z</ReleaseDate> <Description>The Ion Mass Analyzer (IMA) of the ASPERA-4 package flown on Venus Express provides ion measurements in the energy range 0.01 - 36 keV/q for the main ion components H+, H2+, He+, O+, and for the group of molecular ions with M/q ration between 20 and 80 amu/e. IMA has a 90 deg x 360 deg field of view. Electrostatic sweeping performs elevation (+/- 45 deg) coverage. The IMA sensor is a spherical electrostatic analyzer followed by a circular magnetic separating section. A large diameter MCP with a discrete anode images the matrix azimuth x mass.</Description> <Contact> <PersonID>spase://SMWG/Person/Stas.Barabash</PersonID> <Role>PrincipalInvestigator</Role> </Contact> <InformationURL> <Name>PSA ASPERA web page</Name> <URL>ftp://psa.esac.esa.int/pub/mirror/VENUS-EXPRESS/ASPERA4/VEX-V-SW-ASPERA-2-ELS-V1.0/CATALOG/INST.CAT</URL> </InformationURL> </ResourceHeader> <InstrumentType>MassSpectrometer</InstrumentType> <InvestigationName>ASPERA4</InvestigationName> <ObservatoryID>spase://CDPP/Observatory/AMDA/VEX</ObservatoryID> </Instrument> </Spase>