A Seyfert Nucleus in BL Lacertae

D.J. Axon, E.A. Corbett, A. Robinson, J. Hough

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

We have obtained spectroscopic observations of the broad Ha line in BL Lacertae over a period of 30 months. These data show that the line equivalent width is anti-correlated with the continuum flux implying that the broad line emission is not powered primarily by synchrotron 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.
Original languageEnglish
Title of host publicationIn: Procs of BL Lac Phenomenon - ASP Conf Series 159
PublisherAstronomical Society of the Pacific
Pages24-26
ISBN (Print)1-886733-79-1
Publication statusPublished - 1999

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