JPSS-2 VIIRS Version 1 spectral characterization and performance assessment

Thomas Schwarting; Christopher Moeller; David Moyer; Jeffrey McIntire; Hassan Oudrari; Xiaoxiong Xiong

doi:10.1117/12.2530097

23 October 2019 JPSS-2 VIIRS Version 1 spectral characterization and performance assessment

Thomas Schwarting, Christopher Moeller, David Moyer, Jeffrey McIntire, Hassan Oudrari, Xiaoxiong Xiong

Author Affiliations +

Proceedings Volume 11127, Earth Observing Systems XXIV; 111270C (2019) https://doi.org/10.1117/12.2530097
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

The JPSS-2 VIIRS instrument is set to be the third VIIRS instrument when it launches in 2022 following S-NPP and NOAA-20 VIIRS which launched in October 2011and November 2017, respectively. To date JPSS-2 VIIRS has undergone extensive pre-launch testing at the instrument system level to determine the radiometric, spatial, and spectral performance. Spectral testing was conducted by the instrument vendor, Raytheon Corporation, at their test facility in mid-to-late 2017 with a test configuration that utilized a double monochrometer with illumination provided by tungsten lamp and ceramic glow bar to cover the full spectral range. The purpose of these measurements was to measure the relative spectral response curve and assess the spectral characteristics necessary to determine compliance with the sensor design requirements. In addition to Raytheon team, the spectral measurements were analyzed by an independent government team with members from NASA, the University of Wisconsin, and Aerospace Corporation. Two RSR curves were released by the government team from this data set: a version 0 release which was the verified RSR as calculated by Raytheon, and version 1 which was the RSR assessment from the government team. The results discussed here are those of the government team (version 1) including the independent assessment of sensor compliance and a comparison of the JPSS-2 VIIRS spectral characteristics with the two previous VIIRS instruments. The version 1 RSR was publically released to the science community in the fall of 2018, and remains available for their use.

Conference Presentation

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Thomas Schwarting, Christopher Moeller, David Moyer, Jeffrey McIntire, Hassan Oudrari, and Xiaoxiong Xiong "JPSS-2 VIIRS Version 1 spectral characterization and performance assessment", Proc. SPIE 11127, Earth Observing Systems XXIV, 111270C (23 October 2019); https://doi.org/10.1117/12.2530097

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