The parsec-scale radio jet of BL Lac

Show simple item record Gabuzda, Denise Cawthorne, T. V. 2017-11-07T09:38:59Z 2017-11-07T09:38:59Z 2003
dc.identifier.citation Gabuzda, 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.x en
dc.identifier.volume 338
dc.identifier.issued 2
dc.identifier.startpage 312
dc.identifier.endpage 322
dc.identifier.issn 0035-8711
dc.identifier.doi 10.1046/j.1365-8711.2003.06034.x
dc.description.abstract Polarization-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.sponsorship Fifth Framework Programme (IHP Programme (ARI) contract No. HPRI-CT-1999-00045)
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Oxford University Press en
dc.rights © 2003, Royal Astronomical Society en
dc.subject Polarization en
dc.subject BL Lacertae objects en
dc.subject General en
dc.subject Individual en
dc.subject BL Lac en
dc.subject Radio continuum en
dc.subject Galaxies en
dc.title The parsec-scale radio jet of BL Lac en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Denise Gabuzda, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Fifth Framework Programme
dc.contributor.funder Science and Technology Facilities Council
dc.contributor.funder American Astronautical Society
dc.description.status Peer reviewed en
dc.identifier.journaltitle Monthly Notices of the Royal Astronomical Society en
dc.internal.IRISemailaddress en

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