SOIR operations and archiving
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Transcript of SOIR operations and archiving
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Bojan Ristic ([email protected]) and the SOIR team
Belgian Institute for Space Aeronomy (BIRA-IASB)
SOIR operations and archiving
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SOIR Characteristics and Performances
Value or range Units
Wavelength range 2.2 to 4.3 µm
Wavenumber range 2353 to 4310 cm-1
Spectral sampling interval (1 pixel)
0.1 cm-1
Instrument Line Profile 0.2 cm-1
Corresponding resolving power [/=/] 23200 to 43100
FOV in spectral direction 2 arc minutes
FOV in spatial direction 30 arc minutes
Entrance aperture diameter 20 mm
Mass 6.5 kg
Size 414 x 254 x210 mm3
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http://www.esa.int/esa-mmg/mmg.pl?b=b&type=A&mission=Venus%20Express&single=y&start=8
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• Self calibrated measurements: transmittances obtained by dividing measured spectra by full sun spectra
• Altitude range probed on Venus: 65km to 160km
From Sun
Venus
VEX
Atmosphere
Orbit 232 – Order 129
Cloud deck
Solar Occultation Technique
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Longitude (°)
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Spatial Coverage of the Measurements