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arXiv · 1201.0999

Spectroscopy of Broad Line Blazars from 1LAC

Michael S. Shaw·Roger W. Romani·Garret Cotter·Stephen E. Healey·Peter F. Michelson·Anthony C. S. Readhead·Joseph L. Richards·Walter Max-Moerbeck·Oliver G. King·William J. Potter
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Abstract

We report on optical spectroscopy of 165 Flat Spectrum Radio Quasars (FSRQs) in the Fermi 1LAC sample, which have helped allow a nearly complete study of this population. Fermi FSRQ show significant evidence for non-thermal emission even in the optical; the degree depends on the gamma-ray hardness. They also have smaller virial estimates of hole mass than the optical quasar sample. This appears to be largely due to a preferred (axial) view of the gamma-ray FSRQ and non-isotropic (H/R ~ 0.4) distribution of broad-line velocities. Even after correction for this bias, the Fermi FSRQ show higher mean Eddington ratios than the optical population. A comparison of optical spectral properties with Owens Valley Radio Observatory radio flare activity shows no strong correlation.

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Michael S. Shaw, Roger W. Romani, Garret Cotter, Stephen E. Healey, Peter F. Michelson, Anthony C. S. Readhead, Joseph L. Richards, Walter Max-Moerbeck, Oliver G. King, William J. Potter. 2012-01-04. Spectroscopy of Broad Line Blazars from 1LAC. https://doi.org/10.1088/0004-637x%2F748%2F1%2F49

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