Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...303l..41s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 303, April 15, 1986, p. L41-L44.
Astronomy and Astrophysics
Astronomy
159
Galactic Radiation, Infrared Astronomy, Infrared Astronomy Satellite, Luminosity, Space Density, Distance, Far Infrared Radiation
Scientific paper
The local space density of galaxies with luminosity νLν (60 μm) ⪆ 1010L_sun; is derived from a sample of bright galaxies detected in the IRAS survey. The sample is complete to 5 Jy at 60 μm and covers one-quarter of the sky. With a maximum redshift in the sample of 0.081, this sample represents a survey of the infrared characteristics for infrared bright galaxies in the local universe. The space density of infrared bright galaxies appears comparable to or larger than other classes of extragalactic objects for total luminosities greater than 1011L_sun;. It is suggested that a substantial fraction of all galaxies with L > 1010L_sun; undergo a period of extreme infrared activity.
Danielson Edward G.
Lonsdale Carol J.
Madore Barry F.
Neugebauer Gernot
Persson Eric S.
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