Observations Of Bl Lacertae Object 1803+784 From The Geodetic Vlbi Archive Of The Washington Correlator

dc.creatorTateyama C.E.
dc.creatorKingham K.A.
dc.creatorKaufmann P.
dc.creatorDe Lucena A.M.P.
dc.date2002
dc.date2015-06-30T16:44:19Z
dc.date2015-11-26T15:35:24Z
dc.date2015-06-30T16:44:19Z
dc.date2015-11-26T15:35:24Z
dc.date.accessioned2018-03-28T22:43:57Z
dc.date.available2018-03-28T22:43:57Z
dc.identifier
dc.identifierAstrophysical Journal. Institute Of Physics Publishing, v. 573, n. 2 I, p. 496 - 504, 2002.
dc.identifier0004637X
dc.identifier10.1086/340749
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0043241737&partnerID=40&md5=e4bf887c845b95068087890b511f066b
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/101840
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/101840
dc.identifier2-s2.0-0043241737
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1263210
dc.descriptionWe present 11 maps of BL Lacertae object 1803+784 derived from geodetic VLBI observations archived at the Washington Correlator. The observations were obtained during the years 1988-1999. In this period three superluminal components with an expansion rate of 0.084 mas yr-1 were identified. A remarkable feature of the VLBI images is that the superluminal components only become visible on the jet at a radius of 1 mas from the core, which was interpreted as a result of a helically curved jet. This feature and further evidence of helical patterns found in published high dynamic range VLBI maps at parsec scale and kiloparsec scale enabled us to obtain a well-constrained helical jet. The overall radio morphology of 1803+784 could be described by two dominant components given by a narrow helical jet extending east-west about 6 kpc from the core (deprojected size of 30 kpc) and a much larger north-south component perpendicular to the helical jet (cone axis) with a linear size of about 270 kpc.
dc.description573
dc.description2 I
dc.description496
dc.description504
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dc.languageen
dc.publisherInstitute of Physics Publishing
dc.relationAstrophysical Journal
dc.rightsaberto
dc.sourceScopus
dc.titleObservations Of Bl Lacertae Object 1803+784 From The Geodetic Vlbi Archive Of The Washington Correlator
dc.typeArtículos de revistas


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