The relationship of extended radio power and broad emission line luminosity in blazars

Details The relationship of extended radio power and broad emission line luminosity in blazars The relationship of extended radio power and broad emission line luminosity in blazars

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010scchg..53s.240l&link_type=abstract

Science China Physics, Mechanics and Astronomy, Volume 53, Issue 1, pp.240-243

Physics

Accretion, Black Hole Physics, Bl Laceratae Objects: General, Galaxies: Nuclei, Quasars: General

Scientific paper

The relationship between broad line luminosity L BLR and extended radio power P E is investigated. In the log P E-log L BLR diagram, FSRQs populate the region of higher luminosity relative to BL Lacs, and FR II BL Lacs are between FSRQs and FR I BL Lacs. For these blazars, there is a significant correlation between L BLR and P E. The regression line scales as P E∝ L {BLR/0.87±0.15}. The slope of this scaling relation is consistent with that derived from the simple theoretical formulae. Thus, the unification of BL Lacs and FRSQs into a single population finds a statistical basis, and a disk-jet symbiosis in blazars is confirmed. FR II BL Lacs are probably at an intermediate stage in the sequence from FSRQs to BL Lacs with FR I BL Lacs at the end of this sequence.

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