Onboard calibration techniques and test results for the Atmospheric Infrared Sounder (AIRS)

Thomas S. Pagano; Hartmut H. Aumann; Steven E. Broberg; Steven L. Gaiser; Denise E. Hagan; Thomas J. Hearty; Mark D. Hofstadter; Kenneth Overoye; Margaret H. Weiler

doi:10.1117/12.451547

24 September 2002 On-board calibration techniques and test results for the Atmospheric Infrared Sounder (AIRS)

Thomas S. Pagano, Hartmut H. Aumann, Steven E. Broberg, Steven L. Gaiser, Denise E. Hagan, Thomas J. Hearty, Mark D. Hofstadter, Kenneth Overoye, Margaret H. Weiler

Author Affiliations +

Proceedings Volume 4814, Earth Observing Systems VII; (2002) https://doi.org/10.1117/12.451547
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The Atmospheric Infrared Sounder (AIRS) is a space based instrument developed for measurement of global atmospheric properties; primarily water vapor and temperature. AIRS is one of several instruments on board NASA's Earth Observing System Aqua spacecraft. AIRS operates in the 3.7 - 15.4 micron region and has 2378 infrared channels and 4 Vis/NIR channels. AIRS spatial resolution is 13.5 km from the orbit of 705 km and it scans ±49.5 degrees. AIRS has a set of on-board calibrators including a single infrared blackbody source, a parylene spectral calibration source, a space view and a Vis/NIR photometric calibrator. The on-board calibration subsystems are described along with a description of special test procedures for using them and results from several tests performed to date. Results are exceptional indicating that the instrument is performing better than expected.

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Thomas S. Pagano, Hartmut H. Aumann, Steven E. Broberg, Steven L. Gaiser, Denise E. Hagan, Thomas J. Hearty, Mark D. Hofstadter, Kenneth Overoye, and Margaret H. Weiler "On-board calibration techniques and test results for the Atmospheric Infrared Sounder (AIRS)", Proc. SPIE 4814, Earth Observing Systems VII, (24 September 2002); doi: 10.1117/12.451547; https://doi.org/10.1117/12.451547

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