Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980m%26p....22..435l&link_type=abstract
Moon and the Planets, vol. 22, June 1980, p. 435-437.
Astronomy and Astrophysics
Astronomy
1
Cerenkov Radiation, Cosmic Rays, Infrared Astronomy, Infrared Interferometers, Background Radiation, Infrared Detectors, Proton Flux Density, Searching
Scientific paper
It is shown that the pervasive cosmic-ray protons in the vicinity of the earth would produce infrared photons by Cerenkov radiation in the material walls, and mirrors, of an orbiting infrared interferometer designed to search for non-solar planets. The flux of such photons is at least comparable to the zodiacal infrared background radiation. It is found that for the worst possible conditions a minimum time of about six weeks is indicated for planetary detection using a fourth-harmonic noise analysis. It is suggested that direct laboratory measurement of a simulated cosmic-ray-induced Cerenkov flux be undertaken to settle the question of the background contaminant produced by this effect.
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