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The Radio Fine Stru...
The Radio Fine Structure of the BL Lacertae Objects AO0235+164, 0735+178, BL Lac, 1749+701, Mk 421 and 3C 66 A at 5 GHz
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- Bååth, L.B. 1948- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Elgered, G., 1955- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Lundqvist, G., 1951- (author)
- Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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- Graham, D. (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Weiler, K. W (author)
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
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- Seielstad, G. A. (author)
- Owens Valley Radio Observatory, Big Pine, CA, USA
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- Tallqvist, S. (author)
- Helsinki University of Technology, Radio Laboratory, Espoo, Finland
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- Schilizzi, R. T. (author)
- Netherlands Foundation for Radio Astronomy, Dwingenloo, The Netherlands
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(creator_code:org_t)
- Les Ulis : EDP Sciences, 1981
- 1981
- English.
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In: Astronomy and Astrophysics. - Les Ulis : EDP Sciences. - 0004-6361 .- 1432-0746. ; 96:1-2, s. 316-324
- Related links:
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http://adsabs.harvar...
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https://urn.kb.se/re...
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Abstract
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- Very long baseline interferometer observations at 4997 MHz (lambda = 6 cm) on European and intercontinental baselines with lengths up to 1.35 108lambda have been used to probe the milliarc s structure of the BL Lacertae objects AO 0235+164, 0735+178, BL Lac, 1749+701, Mk 421, and 3C 66A. Two sets of observations are reported, made in November 1978 and March 1979. AO 0235+164 and 0735+178 both showed structures consisting of a very bright, unresolved core and a jet-like component extending ˜5".4 10-3 along position angle ˜20° and ˜4".2 10-3 along position angle ˜45°, respectively. AO 0235+164 contained more than 98% of the total flux density within a diameter of ≲ 36" 10-3. BL Lac, 1749+701 and Mk 421 all showed evidence for a complex structure of several components, including an unresolved core. 3 C 66A was elongated along position angle ˜ -45°.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- BL Lac objects
- interferometry
- VLBI
- radio sources: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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Bååth, L.B. 1948 ...
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Elgered, G., 195 ...
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Lundqvist, G., 1 ...
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Graham, D.
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Weiler, K. W
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Seielstad, G. A.
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Tallqvist, S.
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Schilizzi, R. T.
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NATURAL SCIENCES
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Halmstad University