The 60-micron and far-infrared luminosity functions of IRAS galaxies

Details The 60-micron and far-infrared luminosity functions of IRAS galaxies The 60-micron and far-infrared luminosity functions of IRAS galaxies

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..318s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Jan. 15, 1990, p. 318-337.

Statistics

Computation

413

Computational Astrophysics, Far Infrared Radiation, Galactic Radiation, Infrared Sources (Astronomy), Luminosity, Sky Surveys (Astronomy), Astronomical Catalogs, Infrared Astronomy Satellite, Maximum Likelihood Estimates, Red Shift

Scientific paper

The 60-micron and far-IR luminosity functions for IRAS galaxies are presently found to be well characterized by an almost constant density/decade in luminosity, for luminosities in the 0.1 million-1 billion solar luminosities/h sq, as well as by a Gaussian dependence on log L above 1 billion solar luminosities/h sq. The shape of the luminosity function is highly insensitive to the value of both the Hubble constant and the character of local bulk flows. The far-IR luminosity density of the universe is about 1/3 that of the blue luminosity density, and is evenly divided between cool disk emission and warmer starburst emission.

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