The number counts and infrared backgrounds from infrared-bright galaxies
Journal Article
·
· Astrophysical Journal; (USA)
- JPL, Pasadena, CA (USA) California Institute of Technology, Pasadena (USA)
Extragalactic number counts and diffuse backgrounds at 25, 60, and 100 microns are predicted using new luminosity functions and improved spectral-energy distribution density functions derived from IRAS observations of nearby galaxies. Galaxies at redshifts z less than 3 that are like those in the local universe should produce a minimum diffuse background of 0.0085, 0.038, and 0.13 MJy/sr at 25, 60, and 100 microns, respectively. Models with significant luminosity evolution predict backgrounds about a factor of 4 greater than this minimum. 22 refs.
- OSTI ID:
- 6137222
- Journal Information:
- Astrophysical Journal; (USA), Vol. 367; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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