The Venus emissivity mapper: implementation for flight on the NASA VERITAS mission

Joern Helbert; M. Pertenaïs; I. Walter; G. Peter; T. Säuberlich; A. Cacovean; A. Maturilli; G. Alemanno; B. Zender; C. Arcos Carrasco; P. Dern; A. Pohl; S. del Togno; S. Rockstein; Y. Rosas-Ortiz; S. Rufini Mastropasqua; D. Wendler; K. Westerdorff; J.-M. Réess; E. Pechevis; C. Jerome; J. T. Buey; T. Widemann; T. Behnke; F. Wolff; S. Adeli; M. D'Amore; D. Dyar

doi:10.1117/12.2634263

30 September 2022 The Venus emissivity mapper: implementation for flight on the NASA VERITAS mission

Joern Helbert, M. Pertenaïs, I. Walter, G. Peter, T. Säuberlich, A. Cacovean, A. Maturilli, G. Alemanno, B. Zender, C. Arcos Carrasco, P. Dern, A. Pohl, S. del Togno, S. Rockstein, Y. Rosas-Ortiz, S. Rufini Mastropasqua, D. Wendler, K. Westerdorff, J.-M. Réess, E. Pechevis, C. Jerome, J. T. Buey, T. Widemann, T. Behnke, F. Wolff, S. Adeli, M. D'Amore, D. Dyar

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Proceedings Volume 12233, Infrared Remote Sensing and Instrumentation XXX; 1223302 (2022) https://doi.org/10.1117/12.2634263
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

In June 2020 NASA has selected the VERTIAS Discovery mission to Venus for flight. The Venus Emissivity Mapper (VEM) provided by DLR together with the VISAR radar system provided by JPL are the core payload of the mission. VEM is the first flight instrument designed with a focus on mapping the surface of Venus using atmospheric windows around 1 μm wavelength. It will provide a global map of surface composition by observing with six narrow band filters from 0.86 to 1.18 μm. Continuous observation of Venus’ thermal emission will place tight constraints on current day volcanic activity. Eight additional channels provide measurements of atmospheric water vapor abundance as well as cloud microphysics and dynamics and permit accurate correction of atmospheric interference on the surface data. Combining VEM with a high-resolution radar mapper on the NASA VERITAS and ESA EnVision missions will provide key insights in the divergent evolution of Venus. After several years of pre-development including the setup of a laboratory prototype the implementation for flight has started with the qualification of the flight detectors, the review of all requirements flowdowns as well as the finalizing of spacecraft interfaces.

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Joern Helbert, M. Pertenaïs, I. Walter, G. Peter, T. Säuberlich, A. Cacovean, A. Maturilli, G. Alemanno, B. Zender, C. Arcos Carrasco, P. Dern, A. Pohl, S. del Togno, S. Rockstein, Y. Rosas-Ortiz, S. Rufini Mastropasqua, D. Wendler, K. Westerdorff, J.-M. Réess, E. Pechevis, C. Jerome, J. T. Buey, T. Widemann, T. Behnke, F. Wolff, S. Adeli, M. D'Amore, and D. Dyar "The Venus emissivity mapper: implementation for flight on the NASA VERITAS mission", Proc. SPIE 12233, Infrared Remote Sensing and Instrumentation XXX, 1223302 (30 September 2022); https://doi.org/10.1117/12.2634263

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KEYWORDS

Sensors

Venus

Clouds

Databases

Electronics

Optical filters

Indium gallium arsenide

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