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The Venus Emissivity Mapper concept

Abstract : 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.
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Submitted on : Thursday, September 14, 2017 - 9:48:59 AM
Last modification on : Friday, August 5, 2022 - 3:04:16 PM

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Jörn Helbert, Ingo Walter, Dennis Wendler, Thomas Widemann, Emmanuel Marcq, et al.. The Venus Emissivity Mapper concept. Proceeding SPIE 10403, Infrared Remote Sensing and Instrumentation XXV, Aug 2017, San Diego, United States. ⟨10.1117/12.2275666⟩. ⟨insu-01587304⟩



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