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dc.contributor.authorCorbett, E.A.
dc.contributor.authorRobinson, A.
dc.contributor.authorHough, J.
dc.contributor.authorAxon, D.J.
dc.date.accessioned2008-02-01T11:45:31Z
dc.date.available2008-02-01T11:45:31Z
dc.date.issued1999
dc.identifier.citationCorbett , E A , Robinson , A , Hough , J & Axon , D J 1999 , Monitoring the Ha Line in BL Lacertae - Evidence for an Accretion Disk . in In: Procs of Structure and Kinematics of Quasar Broad Line Regions, ASP Conference Series 175 . Astronomical Society of the Pacific , pp. 149-156 .
dc.identifier.isbn1-886733-97-X
dc.identifier.otherPURE: 160704
dc.identifier.otherPURE UUID: 6db66876-1be0-48d7-9e84-c40e353a7f1d
dc.identifier.otherdspace: 2299/1540
dc.identifier.urihttp://hdl.handle.net/2299/1540
dc.descriptionOriginal paper can be found at: http://161.58.115.79/pubs/cs/156-194.html--Copyright Astronomical Society of the Pacific
dc.description.abstractWe present new spectroscopic observations of the recently discovered broad Ha line in BL Lacertae. These data, obtained over a period of 30 months, indicate that the line equivalent width is anti-correlated with the continuum flux, implying that the broad line emission is not powered primarily by synchroton emission from the relativistic jet. The most probable explanation is that the broad line region in BL Lacertae is photoionized by continuum emission from an accretion disk which at optical wavelengths is dominated by the Doppler beamed synchroton continuum.en
dc.language.isoeng
dc.publisherAstronomical Society of the Pacific
dc.relation.ispartofIn: Procs of Structure and Kinematics of Quasar Broad Line Regions, ASP Conference Series 175
dc.titleMonitoring the Ha Line in BL Lacertae - Evidence for an Accretion Disken
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.contributor.institutionSchool of Creative Arts
dc.contributor.institutionCentre for Astrophysics Research
rioxxterms.typeOther
herts.preservation.rarelyaccessedtrue


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