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High Resolution Obs...
High Resolution Observations of the QSO 3C 345 at 1.3 centimeters
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- Bååth, L.B. 1948- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Rönnäng, B.O. 1940- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Pauliny-Toth, I.I.K. (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Kellermann, K.I. (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Preuss, E. (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Witzel, A. (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Matveenko, L.I. (author)
- Space Research Institute, Moscow, USSR
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- Kogan, L.R. (author)
- Space Research Institute, Moscow, USSR
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- Kostenko, V.I. (author)
- Space Research Institute, Moscow, USSR
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- Moiseev, I.G. (author)
- Crimean Astrophysical Observatory, USSR Academy of Sciences, P/O Nauchny, Crimea, USSR
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- Shaffer, D.B. (author)
- National Radio Astronomy Observatory, Goddard Space Flight Center, Greenbelt, MD, USA
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(creator_code:org_t)
- Philadelphia, PA : Institute of Physics Publishing (IOPP), 1981
- 1981
- English.
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In: Astrophysical Journal. - Philadelphia, PA : Institute of Physics Publishing (IOPP). - 0004-637X .- 1538-4357. ; 243, s. L123-L126
- 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
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- High-resolution VLBI observations made at a frequency of 22.235 GHz of the quasar 3C 345 are discussed. Antennas located at the Crimean Astrophysical Observatory, USSR; Onsala, Sweden; Effelsberg, West Germany; and the Haystack Observatory, Massachusetts were employed at 4-min integration times to provide baselines ranging up to 5.5 x 10 to the 8th wavelengths. About 40% of the total flux density of 7.85 Jy, observed in November 1977, and 8.05 Jy, observed in October 1978, is found to originate in an unresolved component of the quasar core in a region less than 0.1 milliarcsec in diameter. The elongated jet-like component of the quasar is observed to contain several peaks of emission extending up to 6 milliarsec from the core which decreased in extent between the two observations.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Bååth, L.B. 1948 ...
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Rönnäng, B.O. 19 ...
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Pauliny-Toth, I. ...
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Kellermann, K.I.
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Preuss, E.
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Witzel, A.
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show more...
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Matveenko, L.I.
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Kogan, L.R.
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Kostenko, V.I.
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Moiseev, I.G.
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Shaffer, D.B.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Halmstad University