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An array photometer for air-borne far infrared astronomy

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We describe here a far-infrared photometer capable of detecting simultaneously in three bands in the region 20–120 microns, each band having an array of 3 or 4 photoconductive detectors. We present and discuss its laboratory performance and the results obtained on the planet Venus during an air-borne observational programme using a 32.5 cm telescope. We also present the atmospheric spectra obtained by a Michelson interferometer aboard the aircraft.

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Van Der Wal, P.B., Anandarao, B.G., Rouan, D. et al. An array photometer for air-borne far infrared astronomy. Astrophys Space Sci 117, 209–216 (1985). https://doi.org/10.1007/BF00650147

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  • Laboratory Performance
  • Michelson Interferometer
  • Observational Programme
  • Photoconductive Detector
  • Infrared Astronomy