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Radio, millimeter-submillimeter, and infrared spectra of flat-spectrum extragalactic radio sources

Bloom, Steven D., Marscher, Alan P., Gear, Walter Kieran, Terasranta, Harri, Valtaoja, Esko, Aller, Hugh D. and Aller, Margo F. 1994. Radio, millimeter-submillimeter, and infrared spectra of flat-spectrum extragalactic radio sources. Astronomical Journal 108 , pp. 398-404. 10.1086/117078

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Abstract

We present radio to submillimeter-wave continuum spectra of 44 bright, compact extragalactic radio sources with flat spectra at centimeter wavelengths ('blazars'). Infrared J, H, and K flux densities are added to the spectra of six of these objects. These spectra are useful in comparisons of x-ray and gamma-ray measurements with the multiwaveband properties of blazars. A number of the objects have been detected as strong, hard gamma-ray sources by the Compton Gamma Ray Observatory (CGRO). The millimeter-wave spectra of the gamma-ray bright blazars we observe are flatter on average than for the sample as a whole.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: Extragalactic Radio Sources, Gamma Ray Astronomy, Gamma Ray Observatory, Radio Spectra, Centimeter Waves, Millimeter Waves, Radio Emission
Publisher: Institute of Physics Science
ISSN: 0004-6256
Last Modified: 04 Jun 2017 04:17
URI: http://orca.cf.ac.uk/id/eprint/36067

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