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The luminosity function and space density of the most luminous galaxies in the IRAS survey
- Source :
- Astrophysical Journal, Part 2 - Letters to the Editor. 303
- Publication Year :
- 1986
- Publisher :
- United States: NASA Center for Aerospace Information (CASI), 1986.
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Abstract
- The local luminosity function for galaxies with vLv (60 microns) of 10 to the 10th solar luminosities or more is derived from a sample of bright galaxies detected in the IRAS survey. It is found that within several hundred megaparsecs the infrared luminous galaxies comprise a significant fraction of high-luminosity objects, and the infrared luminosity emitted by galaxies is a substantial fraction of that emitted in the visible portion of the spectrum. The far-infrared energy density in the local universe is close to that in visible light.
- Subjects :
- Astrophysics
Subjects
Details
- Language :
- English
- ISSN :
- 0004637X
- Volume :
- 303
- Database :
- NASA Technical Reports
- Journal :
- Astrophysical Journal, Part 2 - Letters to the Editor
- Notes :
- NAS5-25451
- Publication Type :
- Report
- Accession number :
- edsnas.19860051056
- Document Type :
- Report
- Full Text :
- https://doi.org/10.1086/184649