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The jet and filaments in Cygnus A
Abstract
Multiconfiguration VLA observations of Cygnus A at 1.4 and 5 GHz have been used to produce detailed maps of exceptional dynamic range. A radio jet extends from the core into the northwest lobe. The broad radio lobes reveal an unexpected wealth of filamentary structure. Two new hot spots are identified. The pressure of the cluster gas in which Cyg A is embedded appears to be insufficient to confine either the jet or the filaments. From the necessarily high mechanical luminosity of the jet and the high energy densities of the hot spots, it is concluded that the jet is probably relativistic. The surface brightness of the jet is high in absolute terms, but the total radiated power of the jet is only 0.001 of that of the whole source.
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Citations
Cited by
Tchekhovskoy, A., & Bromberg, O. (2016) · Monthly Notices of the Royal Astronomical Society: Letters · doi:10.1093/mnrasl/slw064 · Cited by 167
A MULTIWAVELENGTH VIEW OF A MASS OUTFLOW FROM THE GALACTIC CENTER
Law, C. J. (2010) · The Astrophysical Journal · doi:10.1088/0004-637x/708/1/474 · Cited by 45
Metadata
- Authors
- Perley, R. A., Dreher, J. W., & Cowan, J. J.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1984-10
- Volume
- 285
- Pages
- L35
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2029864274
- Cited by
- 270
- References
- 0
- FWCI
- 12.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- Perley, R. A., Dreher, J. W., & Cowan, J. J. (1984). The jet and filaments in Cygnus A. The Astrophysical Journal. https://doi.org/10.1086/184360
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