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VIRTIS
Study of the lower atmosphere composition below the clouds and its variations (CO, OCS, SO 2 , H 2 O) from night side observations
Study the cloud structure, composition and scattering properties (day side observations)
Cloud tracking in the UV (70 km, day side) and IR (50 km, night side)
Determination of the temperature field and zonal wind in an altitude range from 60 – 100 km (night side)
Lightning search (night side)
Mesospheric sounding: understanding the transition region between troposphere and thermosphere
Non- LTE O 2 emission (night/day side) at 1.27 µm (95-110 km)
CO 2 fluorescence (day side): non –LTE emissions at 4.3 µm (>80 km)
Limb observations (CO, CO 2 ), atmospheric vertical structure (> 60 km, day/night side)
Search for variations related to surface/atmosphere interactions, dynamics, meteorology and volcanism
Temperature mapping of the surface, search for hot spots related to volcanic activity
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VIRTIS Visible and Infrared Thermal Imaging System
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