870 and 1300 micron observations of radio quasars

Details 870 and 1300 micron observations of radio quasars 870 and 1300 micron observations of radio quasars

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221l...3c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 1, Aug. 1989, p. L3-L6.

Astronomy and Astrophysics

Astronomy

41

Active Galactic Nuclei, Extragalactic Radio Sources, Quasars, Radio Galaxies, Cosmic Dust, Far Infrared Radiation, Infrared Astronomy Satellite, Submillimeter Waves, Synchrotron Radiation

Scientific paper

Sensitive 870 and 1300-micron data of radio quasars observed by IRAS are presented. All steep spectrum and several flat spectrum quasars demonstrate a significant special turndown at submm wavelengths. In a unified picture, this is likely to be due to the emergence of a thermal component in the FIR. The FIR emission is interpreted to originate from dust in a cool disk heated by the active nucleus. A picture is drawn where the orientation of the quasar relative to the observer and its isotropic luminosity determine whether it appears as a radio-quiet or radio-loud object.

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