NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-24 T10:01:54 PDT
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For refcode 1984ARA&A..22..319B:
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1984ARA&A..22..319B Extragalactic Radio Jets Bridle, Alan H.; Perley, Richard A. Abstract. Powerful extended extragalactic radio sources pose two vexing astrophysical problems [reviewed in (147) and (157)]. First, from what energy reservoir do they draw their large radio luminosities (as much as 10^38^W between 10 MHz and 100 GHz)? Second, how does the active center in the parent galaxy or QSO supply as much as 10^54^ J in relativistic particles and fields to radio "lobes" up to several hundred kiloparsecs outside the optical object? New aperture synthesis arrays (68, 250) and new image-processing algorithms (66, 101, 202, 231) have recently allowed radio imaging at subarcsecond resolution with high sensitivity and high dynamic range; as a result, the complexity of the brighter sources has been revealed clearly for the first time. Many contain radio jets, i.e. narrow radio features between compact central "cores" and more extended "lobe" emission. This review examines the systematic properties of such jets and the clues they give to the physics of energy transfer in extragalactic sources. We do not directly consider the jet production mechanism, which is intimately related to the first problem noted above—for reviews, see (207) and (251).
Retrieve 125 NED objects in this reference.
Please click here for ADS abstract

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