IRAS observations of Seyfert galaxies

Details IRAS observations of Seyfert galaxies IRAS observations of Seyfert galaxies

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...293l..11m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 293, June 1, 1985, p. L11-L14. NASA-supported resea

Astronomy and Astrophysics

Astronomy

152

Galactic Radiation, Infrared Spectra, Luminosity, Seyfert Galaxies, Flux Density, Infrared Astronomy, Infrared Astronomy Satellite, Line Spectra

Scientific paper

Infrared Astronomy Satellite measurements at 25, 60 and 100 microns were used to analyze the infrared properties of Seyfert galaxies from the Markarian and NGC Catalogs. One hundred and sixteen of 186 Seyfert galaxies were detected. About 50 percent of all Seyfert galaxies in the sample have 60 micron luminosities in excess of 10 to the 10th power solar luminosity, and the mean 60 micron luminosity increase with the optical B absolute magnitude. The luminosity functions of the Seyfert 1 and Seyfert 2 galaxies appear quite similar. It is possible, however, to statistically separate the two types of galaxies in color-color plots. The 100- to 60-micron energy distributions flatten systematically with increasing 60-micron luminosity. The infrared measurements provide a measure of the bolometric luminosity of the Seyfert galaxies, but do not discriminate between the physical processes involved.

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