Calibration and performance of the infrared array camera (IRAC)

Joseph L. Hora; Giovanni G. Fazio; Steven P. Willner; Michael L. N. Ashby; Jiasheng Huang; S. Thomas Megeath; John R. Stauffer; Eric V. Tollestrup; Zhong Wang; William J. Glaccum; Judith L. Pipher; William J. Forrest; Craig R. McCreight; Mark E. McKelvey; William F. Hoffman; Peter Eisenhardt; Jason A. Surace; William T. Reach; Samuel Harvey Moseley Jr.; Richard G. Arendt; Kenneth P. Stewart; F. David Robinson

doi:10.1117/12.406553

16 November 2000 Calibration and performance of the infrared array camera (IRAC)

Joseph L. Hora, Giovanni G. Fazio, Steven P. Willner, Michael L. N. Ashby, Jiasheng Huang, S. Thomas Megeath, John R. Stauffer, Eric V. Tollestrup, Zhong Wang, William J. Glaccum, Judith L. Pipher, William J. Forrest, Craig R. McCreight, Mark E. McKelvey, William F. Hoffman, Peter Eisenhardt, Jason A. Surace, William T. Reach, Samuel Harvey Moseley Jr., Richard G. Arendt, Kenneth P. Stewart, F. David Robinson

Author Affiliations +

Proceedings Volume 4131, Infrared Spaceborne Remote Sensing VIII; (2000) https://doi.org/10.1117/12.406553
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

The Infrared Array Camera (IRAC) is one of three focal plane instruments in the Space Infrared Telescope Facility (SIRTF). IRAC is a four-channel camera that obtains simultaneous images at 3.6, 4.5, 5.8, and 8 microns. Two adjacent 5.12 X 5.12 arcmin fields of view in the SIRTF focal plane are viewed by the four channels in pairs (3.6 and 5.8 microns; 4.5 and 8 microns). All four detectors arrays in the camera are 256 X 256 pixels in size, with the two shorter wavelength channels using InSb and the two longer wavelength channels using Si:As IBC detectors. We describe here the results of the instrument functionality and calibration tests completed at Goddard Space Flight Center, and provide estimates of the in-flight sensitivity and performance of IRAC in SIRTF.

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Joseph L. Hora, Giovanni G. Fazio, Steven P. Willner, Michael L. N. Ashby, Jiasheng Huang, S. Thomas Megeath, John R. Stauffer, Eric V. Tollestrup, Zhong Wang, William J. Glaccum, Judith L. Pipher, William J. Forrest, Craig R. McCreight, Mark E. McKelvey, William F. Hoffman, Peter Eisenhardt, Jason A. Surace, William T. Reach, Samuel Harvey Moseley Jr., Richard G. Arendt, Kenneth P. Stewart, and F. David Robinson "Calibration and performance of the infrared array camera (IRAC)", Proc. SPIE 4131, Infrared Spaceborne Remote Sensing VIII, (16 November 2000); https://doi.org/10.1117/12.406553

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