Warm ultraluminous galaxies in the IRAS survey - The transition from galaxy to quasar?

Details Warm ultraluminous galaxies in the IRAS survey - The transition from galaxy to quasar? Warm ultraluminous galaxies in the IRAS survey - The transition from galaxy to quasar?

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328l..35s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 328, May 15, 1988, p. L35-L39. NSF-supported research.

Astronomy and Astrophysics

Astronomy

416

Infrared Astronomy Satellite, Infrared Sources (Astronomy), Quasars, Spiral Galaxies, Galactic Structure, Luminosity, Red Shift

Scientific paper

Of 90 extragalactic objects chosen from the IRAS catalog on the basis of brightness at 60 μm and "warm" infrared color [fν(25 μm)/fν(60 μm) >0.2], 12 have luminosities characteristic of quasars. These 12 ultraluminous objects have Seyfert spectra, and nine of them show morphological evidence for recent collisions or mergers - they plausibly represent a transition stage between cooler ultraluminous infrared galaxies and optical quasars.

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