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

By Steven D. Bloom, Alan P. Marscher, Walter Kieran Gear, Harri Terasranta, Esko Valtaoja, Hugh D. Aller and Margo F. Aller

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

Topics: QB
Publisher: Institute of Physics Science
Year: 1994
OAI identifier: oai:http://orca.cf.ac.uk:36067
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