Infrared studies of elliptical galaxies. II - A radio-selected sample

Details Infrared studies of elliptical galaxies. II - A radio-selected sample Infrared studies of elliptical galaxies. II - A radio-selected sample

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...356...62i&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 356, June 10, 1990, p. 62-74. Research supported by the Royal Society and U

Astronomy and Astrophysics

Astronomy

17

Elliptical Galaxies, Infrared Astronomy, Radio Galaxies, Active Galactic Nuclei, Astronomical Catalogs, Hydrocarbons, Radio Emission, Seyfert Galaxies, Stellar Envelopes

Scientific paper

An IR survey of radio galaxies in the Bologna B2 catalog is reported. It is found that 40 percent of the sample has IR luminosities of at least one billion solar luminosities, as opposed to about 8 pecent of normal ellipticals. The galaxies are inhomogeneous in their IR properties. The most IR-luminous galaxies are those listed as peculiar by Zwicky. Statistically, these galaxies are strikingly different from Seyfert galaxies in their IR properties in that they show much more radio emission in comparison with their IR emission than do Seyferts, even when the emission from the extended radio lobes has been discounted.

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