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High Resolution Obs...
High Resolution Observations of the Steep Spectrum Source 2147+145
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- Cotton, W. D. (author)
- National Radio Astronomy Observatory, Socorro, NM, USA
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- Owen, F. N. (author)
- National Radio Astronomy Observatory, Socorro, NM, USA
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- Geldzahler, B. J. (author)
- E. O. Hulburt Center for Space Research, Washington, DC, USA
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- Johnston, K. (author)
- E. O. Hulburt Center for Space Research, Washington, DC, USA
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- Bååth, L.B. 1948- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Romney, J. (author)
- Max-Planck Institut für Radioastronomie, Bonn, Germany
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National Radio Astronomy Observatory, Socorro, NM, USA E O. Hulburt Center for Space Research, Washington, DC, USA (creator_code:org_t)
- Philadelphia, PA : Institute of Physics Publishing (IOPP), 1984
- 1984
- English.
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In: Astrophysical Journal. - Philadelphia, PA : Institute of Physics Publishing (IOPP). - 0004-637X .- 1538-4357. ; 277, s. L41-L44
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The results of an eight station, 18-cm intercontinental very long baseline interferometry for which the synthesized beam obtained was 0.008 x 0.003 arcsec are presented for the steep spectrum compact radio source 2147+145. These observations reveal a structure similar to flat spectrum compact sources and, if the source radiates due to the synchrotron process, a very weak magnetic field. The source consists of a line of knots 0.022 arcsec long along position angle of 38 deg dominated on one side by a component of size 0.0032 arcsec measured along a position angle of 38 deg. It is suggested that 2147+145 and, perhaps, related steep spectrum objects are similar to flat spectrum, optically active sources except that the magnetic field is much weaker.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- interferometry
- radio sources: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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