Infrared observations of contaminants from shuttle flight 51-F

D. G. Koch, G. G. Fazio, W. Hoffmann, G. Melnick, G. Rieke, J. Simpson, F. Witteborn, E. Young

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


A small helium cooled infrared telescope, IRT, was flown on the Shuttle in July/August 1985. The principle astrophysical objectives were to measure the large scale structure of sources and the background radiation. A cold shutter was incorporated to permit absolute flux measurements. Additionally, the engineering objectives included setting upper limits on the infrared radiation from the local environment. Even though the local background overwhelmed the astrophysical background, astronomical sources were still detectable superimposed on this background radiation. Data are presented covering the spectral range from 2μm to 120μm. The spatial, spectral and temporal variations are described. Based on the spectral character and variability in different wavelength bands, the background radiation does not appear to have a single origin. In this paper the results on the Shuttle environment will be presented. The astrophysical results will be presented elsewhere.

Original languageEnglish (US)
Pages (from-to)211-221
Number of pages11
JournalAdvances in Space Research
Issue number5
StatePublished - 1987

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • General Earth and Planetary Sciences


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