A study of a sequence of blazars from FSRQs to BL Lac objects

Details A study of a sequence of blazars from FSRQs to BL Lac objects A study of a sequence of blazars from FSRQs to BL Lac objects

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010scchg..53s.231l&link_type=abstract

Science China Physics, Mechanics and Astronomy, Volume 53, Issue 1, pp.231-234

Physics

Black Hole Physics, Galaxies: Active, Galaxies: Evolution, Galaxies: Nuclei, Quasars: General

Scientific paper

There are significant correlations between the broad line region luminosity L BLR, the quantity Δmax (maximum of Δ≡log[( F ν )cm/( F ν )mm]) and redshift z. There are strong correlations between the extended radio luminosity P E, L BLR and Δmax. Our results indicate that FSRQs with higher mass accretion rate Ṁ and black hole spin j occur in the earlier, highly luminous, violent phase of the galactic sequence, and BL Lacs with lower Ṁ and j occur in the lower luminous, later phase of the galactic sequence, while FR II BL Lacs are possible intermediate stages in the sequence of blazars from FSRQs to FR I BL Lacs with j lower than FR II BL Lacs. It is indicated that there is a disk-jet symbiosis in blazars.

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