The parsec-scale radio jet of BL Lac

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dc.contributor.authorGabuzda, Denise
dc.contributor.authorCawthorne, T. V.
dc.contributor.funderFifth Framework Programme
dc.contributor.funderScience and Technology Facilities Council
dc.contributor.funderAmerican Astronautical Society
dc.date.accessioned2017-11-07T09:38:59Z
dc.date.available2017-11-07T09:38:59Z
dc.date.issued2003
dc.description.abstractPolarization-sensitive lambda= 6 cm global VLBI images of BL Lac for data taken at three epochs are presented and analysed, together with an additional epoch for which only total intensity data are available. Previous lambda= 6 cm and lambda= 3.6 cm VLBI polarization observations of BL Lac have shown that the jet components in this source tend to have magnetic field transverse to the jet direction. On the whole, these images confirm this tendency, though there is evidence for possibly oblique or longitudinal magnetic fields in some features at some epochs. The flux densities of individual features moving from the core can initially drop rapidly, but the rate of flux decrease slows with time, so that many features are, in fact, remarkably long-lived. This has made it possible to trace the movements of some components over more than a decade. The trajectories of individual components show oscillations whose amplitude appears to grow with distance from the VLBI core.en
dc.description.sponsorshipFifth Framework Programme (IHP Programme (ARI) contract No. HPRI-CT-1999-00045)
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGabuzda, D. C. and Cawthorne, T. V. (2003) 'The parsec-scale radio jet of BL Lac', Monthly Notices of the Royal Astronomical Society, 338(2), pp. 312-322. doi: 10.1046/j.1365-8711.2003.06034.xen
dc.identifier.doi10.1046/j.1365-8711.2003.06034.x
dc.identifier.endpage322
dc.identifier.issn0035-8711
dc.identifier.issued2
dc.identifier.journaltitleMonthly Notices of the Royal Astronomical Societyen
dc.identifier.startpage312
dc.identifier.urihttps://hdl.handle.net/10468/4990
dc.identifier.volume338
dc.language.isoenen
dc.publisherOxford University Pressen
dc.relation.urihttps://academic.oup.com/mnras/article-lookup/doi/10.1046/j.1365-8711.2003.06034.x
dc.rights© 2003, Royal Astronomical Societyen
dc.subjectPolarizationen
dc.subjectBL Lacertae objectsen
dc.subjectGeneralen
dc.subjectIndividualen
dc.subjectBL Lacen
dc.subjectRadio continuumen
dc.subjectGalaxiesen
dc.titleThe parsec-scale radio jet of BL Lacen
dc.typeArticle (peer-reviewed)en
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