Evidence for beamed radiation from QSOs

Details Evidence for beamed radiation from QSOs Evidence for beamed radiation from QSOs

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90..405h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, March 1985, p. 405-409. Research supported by the Natural Sciences and Engineeri

Astronomy and Astrophysics

Astronomy

18

Astronomical Spectroscopy, Beams (Radiation), Continuous Spectra, Luminosity, Quasars, Radio Sources (Astronomy), Astronomical Maps, Emission Spectra, Galactic Nuclei, Red Shift, Visible Spectrum, X Ray Spectra

Scientific paper

Deep radio-continuum detection observations have been performed with the VLA on a representative sample of optically and X-ray selected QSOs of low redshift. Eight of 27 objects were detected as radio-continuum sources with core luminosities down to 10 to the 21st W/Hz. A further 15 had higher detection limits. The detected radio-source structures are all small, probably one-sided, and complex. The optical properties of the objects indicate that the ratio of nuclear to host galaxy luminosity is about 5 times higher in the radio-emitting objects, and that their nuclear luminosities are about 10 times higher. These and related statistics are used to argue that the optical and radio-continuum emission from these quasars is beamed towards this Galaxy.

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