The night sky background at 2.4 microns

Details The night sky background at 2.4 microns The night sky background at 2.4 microns

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....68..389h&link_type=abstract

Astronomy and Astrophysics, vol. 68, no. 3, Aug. 1978, p. 389, 390.

Computer Science

Sound

13

Background Radiation, Infrared Astronomy, Night Sky, Sky Radiation, Balloon Sounding, Balloon-Borne Instruments, Data Reduction, Infrared Telescopes, Near Infrared Radiation

Scientific paper

Results are presented for a measurement of the night sky background outside the planes of the Milky Way and the ecliptic, which was performed at a wavelength of 2.4 microns with a balloon-borne dry-ice-cooled IR telescope. The contribution due to airglow is taken into account, and an upper limit of 6 x 10 to the -11th power W/sq cm per sr/micron is inferred for the background radiation. A residual intensity of about 5 x 10 to the -11th power W/sq cm per sr/micron is estimated after allowing for contributions from the zodiacal light and integrated starlight from the Milky Way. It is noted that the inferred upper limit is about a factor of 3 to 4 below the limit reported by Harwit et al. (1966) and that the estimated residual intensity is still high in comparison with theoretical predictions of the background.

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