30 January 2002 On-orbit characterization and performance of the HIRAAS instruments aboard ARGOS: LORAAS sensor performance
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Abstract
The Advanced Research and Global Observation Satellite (ARGOS) has been operating since February 1999 and includes three spectrographs comprising the High Resolution Airglow and Auroral Spectroscopy (HIRAAS) experiment. The HIRAAS instruments remotely sense the Earth's mid-, far- and extreme-ultraviolet airglow to study the density, composition, and temperature of the thermosphere and ionosphere. The Low Resolution Airglow and Aurora Spectrograph (LORAAS) is a limb scanner covering the 80-170 passband nm with 1.8 nm spectral resolution. Repeated serendipitous observations of hot O- and B-type stars have been used to improve the aspect solution, characterize the instrument field-of-view, and monitor relative sensitivity degradation of the instrument during the mission. We present the methodology of performance characterization and report the observed performance degradation of the LORAAS wedge-and-strip microchannel plate detector. The methods and results herein can be utilized directly in on-orbit characterization of the SSULI operational sensors to fly aboard the DMSP Block 5D3 satellites.
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Scott A. Budzien, Scott A. Budzien, Kenneth F. Dymond, Kenneth F. Dymond, Stefan E. Thonnard, Stefan E. Thonnard, Andrew C. Nicholas, Andrew C. Nicholas, Dustin M. Diez, Dustin M. Diez, Robert P. McCoy, Robert P. McCoy, } "On-orbit characterization and performance of the HIRAAS instruments aboard ARGOS: LORAAS sensor performance", Proc. SPIE 4485, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV, (30 January 2002); doi: 10.1117/12.454269; https://doi.org/10.1117/12.454269
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