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1404+286 :
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Zhang, F. J.Nuffield Radio Astronomy Laboratories, University of Manchester, Cheshire, UK
(författare)
1404+286 : A non-ideal calibrator for VLBI observations
- Artikel/kapitelEngelska1994
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Les Ulis :EDP Sciences,1994
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LIBRIS-ID:oai:DiVA.org:hh-22857
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https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-22857URI
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Språk:engelska
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Sammanfattning på:engelska
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The radio source 1404+286 was observed with global VLBI arrays at 5 and 1.67 GHz in 1990.88 and 1991.45 respectively. High quality maps are presented in this paper, and show the source to be resolved at both frequencies with a core-jet like structure extending approximately 6 mas in position angle approximately -145-degrees. The jet direction is similar in both maps. 1404+286 has often been used in the past as a flux density calibrator or a phase referencing source. Our results show that this source is not an ideal calibrator on VLBI scales.
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Bååth, L.B.1948-Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden(Swepub:hh)baath
(författare)
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Spencer, R. E.Nuffield Radio Astronomy Laboratories, University of Manchester, Cheshire, UK
(författare)
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Nuffield Radio Astronomy Laboratories, University of Manchester, Cheshire, UKOnsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Astronomy and AstrophysicsLes Ulis : EDP Sciences281:3, s. 649-6520004-63611432-0746
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