Calibration and performance of the infrared array camera (IRAC)

Details Calibration and performance of the infrared array camera (IRAC) Calibration and performance of the infrared array camera (IRAC)

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4131...13h&link_type=abstract

Proc. SPIE Vol. 4131, p. 13-25, Infrared Spaceborne Remote Sensing VIII, Marija Strojnik; Bjorn F. Andresen; Eds.

Computer Science

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Scientific paper

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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