IRAS 14348-1447, an ultraluminous pair of colliding, gas-rich galaxies - The birth of a quasar?

Details IRAS 14348-1447, an ultraluminous pair of colliding, gas-rich galaxies - The birth of a quasar? IRAS 14348-1447, an ultraluminous pair of colliding, gas-rich galaxies - The birth of a quasar?

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sci...239..625s&link_type=abstract

Science (ISSN 0036-8075), vol. 239, Feb. 5, 1988, p. 625-627. Research supported by NASA IRAS Extended Mission Program.

Astronomy and Astrophysics

Astronomy

8

Collisions, Galactic Evolution, Infrared Astronomy, Luminosity, Molecular Gases, Quasars, Astronomical Spectroscopy, Carbon Monoxide, Cosmic Dust, Hydrogen Atoms, Visible Spectrum

Scientific paper

Ground-baed observations of the object IRAS 14348-1447, which was discovered with the Infrared Astronomical Satellite, show that it is an extremely luminous colliding galaxy system that emits more than 95 percent of its energy at FIR wavelengths. IRAS 14348-1447, which is receeding from the sun at 8 percent of the speed of light, has a bolometric luminosity more than 100 times larger than that of the Galaxy, and is therefore as luminous as optical quasars. New optical, infrared, and spectroscopic measurements suggest that the dominant luminosity source is a dust-enshrouded quasar. The fuel for the intense activity is an enormous supply of molecular gas. Carbon monoxide emission has been detected at a wavelength of 2.6 millimeters by means of a new, more sensitive receiver recently installed on the 12-meter telescope of the National Radio Astronomy Observatory. IRAS 14348-1447 is the most distant and luminous source of carbon monoxide line emission yet detected.

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