Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96..504h&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 96, Aug. 1988, p. 504-513.
Astronomy and Astrophysics
Astronomy
20
Far Infrared Radiation, Galaxies, Infrared Astronomy Satellite, Histograms, Sky Surveys (Astronomy), Star Formation
Scientific paper
The properties of the far-infrared emission from a sample of optically selected isolated galaxies is studied using data obtained by the Infrared Astronomical Satellite (IRAS). This set of galaxies is used as a standard of comparison representing galaxies whose far-infrared properties have been little influenced by interaction with their surroundings. An optically selected sample of isolated binary galaxies is then considered. For the binary galaxies, no extreme highly luminous infrared emitters are found, reaffirming the rarity of these objects. However, the occurrence of some low-level enhancement of infrared activity is substantiated by the comparison of far-infrared emission in single galaxies and those found to have nearby companions. This effect may be influenced by the occurrence of a few instances of more luminous galaxies. Indeed, many galaxies that show evidence for interaction, i.e., distortion, tails, etc., do not show enhanced infrared emission.
Haynes Martha P.
Herter Terry
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