Astronomy and Astrophysics – Astronomy
Scientific paper
May 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...245..393m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 245, no. 2, May 1991, p. 393-417.
Astronomy and Astrophysics
Astronomy
30
Active Galaxies, H I Regions, Infrared Sources (Astronomy), Radio Galaxies, Centimeter Waves, Far Infrared Radiation, Hydroxyl Emission
Scientific paper
As a part of the present 18-cm OH and 21-cm H I survey of luminous far-infrared galaxies, the paper provides H I data obtained at Nancay for 88 IRAS galaxies, with FIR luminosity above 10 to the 10th solar luminosity. Among them, 64 are measured here for the first time. When restricting to radial velocities smaller than 11,000 km/s, the detection rate is equal to 85 percent, independent of the distance. These galaxies appear as giant ones in dimension, total mass and total blue luminosity. All these parameters increase with increasing FIR luminosity. Extreme FIR luminosity is thus related to gigantism, which could be the result of mergers. These galaxies are also deficient in their relative H I content, in the sense that their global relative H I content is significantly smaller than in classical galaxies of the Hubble sequence.
Bottinelli Lucette
Dennefeld Michel
Gouguenheim Lucienne
Martin Michael J.
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