From Event: SPIE Optical Engineering + Applications, 2017
The Venus Emissivity Mapper (VEM) is the first flight instrument specially designed with a sole focus
on mapping the surface of Venus using the narrow atmospheric windows around 1μm. VEM will
provide a global map of surface composition as well as redox state of the surface, providing a
comprehensive picture of surface-atmosphere interaction on Venus. In addition, continuous observation
of the thermal emission of the Venus will provide tight constraints on current day volcanic activity.
These capabilities are complemented by measurements of atmospheric water vapor abundance as well as
cloud microphysics and dynamic. Atmospheric data will allow for the accurate correction of atmospheric
interference on the surface measurements and represent highly valuable science on their own. A mission
combining VEM with a high-resolution radar mapper such as the NASA VOX or the ESA EnVision
mission proposals in a low circular orbit will provide key insights in the divergent evolution of Venus.
Joern Helbert, Ingo Walter, Dennis Wendler, Thomas Widemann, Emmanuel Marcq, Gabriel Guignan, Sabrina Ferrari, Alessandro Maturilli, Nils Mueller, David Kappel, Judit Jaenchen, Mario D'Amore, Anko Boerner, Darby Dyar, Gabriele E. Arnold, and Suzanne Smrekar, "The Venus Emissivity Mapper concept," Proc. SPIE 10403, Infrared Remote Sensing and Instrumentation XXV, 104030J (Presented at SPIE Optical Engineering + Applications: August 08, 2017; Published: 30 August 2017); https://doi.org/10.1117/12.2275666.
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