Instrument Information
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| IDENTIFIER |
urn:nasa:pds:context:instrument:iras.fpa::2.2
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| NAME |
The Focal Plane Array (FPA) of the Infrared Astronomical Satellite
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| TYPE |
Imager
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| DESCRIPTION |
The IRAS Focal Plane Array (FPA), or "Survey Array", located at the focal plane of the Ritchey-Chretien telescope, contained 62 infrared detectors in staggered rows. Individual detectors were sensitive to one of four wavelength bands centered at 12, 25, 60, and 100 microns. The detectors were distributed in such a way that any point source crossing the FPA as the satellite scanned would be seen by at least two detectors in each wavelength band.
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| MODEL IDENTIFIER |
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| REFERENCES |
Beichman, C.A., G. Neugebauer, H.J. Habing, P.E. Clegg, and T.J. Chester, 1988, Infrared Astronomical Satellite Catalog and Atlases, Volume 1, Explanatory Supplement, NASA RP-1190.
Boulanger, F., Gain and offset corrections for ZOHF Version 3, IRAS Circular, December 28, 1988.
Moshir, M., Et al., Explanatory Supplement to the IRAS Faint Source Survey, (Pasadena:JPL), 1989.
Oken, C.A., Gautier, T.N., and Wheelock, S.L., Version 3 of the Zodiacal History File, IRAS Circular, December 28, 1988.
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