Infrared galaxies in the IRAS minisurvey

Details Infrared galaxies in the IRAS minisurvey Infrared galaxies in the IRAS minisurvey

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...278l..71s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 278, March 1, 1984, p. L71-L74.

Astronomy and Astrophysics

Astronomy

293

Astronomical Photometry, Infrared Astronomy Satellite, Spiral Galaxies, Interacting Galaxies, Luminosity, Radiant Flux Density, Spaceborne Astronomy

Scientific paper

A total of 86 galaxies have been detected at 60 microns in the high galactic latitude portion of the IRAS minisurvey. The surface density of detected galaxies with flux densities greater than 0.5 Jy is 0.25 sq deg. Virtually all the galaxies detected are spiral galaxies and have an infrared to blue luminosity ratio ranging from 50 to 0.5. For the infrared-selected sample, no obvious correlation exists between infrared excess and color temperature. The infrared flux from 10 to 100 microns contributes approximately 5 percent of the blue luminosity for galaxies in the magnitude range 14 less than m(pg) less than 18 mag. The fraction of interacting galaxies is between one-eighth and one-fourth of the sample.

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