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The Lick AGN Monitoring Project: Alternate Routes to a Broad-line Region Radius
Jenny E. Greene, Carol E. Hood, Aaron J. Barth +8
It is now possible to estimate black hole masses across cosmic time, using broad emission lines in active galaxies. This technique informs our views of how galaxies and their centr…
A Local Baseline of the Black Hole Mass Scaling Relations for Active Galaxies. I. Methodology and Results of Pilot Study
Vardha Nicola Bennert, Matthew W. Auger, Tommaso Treu +2
We present high-quality Keck/LRIS longslit spectroscopy of a pilot sample of 25 local active galaxies selected from the SDSS (0.02<z<0.1; MBH>10^7 M_sun) to study the relations bet…
The Lick AGN Monitoring Project: Velocity-Delay Maps from the Maximum-Entropy Method for Arp 151
Misty C. Bentz, Keith Horne, Aaron J. Barth +9
We present velocity-delay maps for optical H I, He I, and He II recombination lines in Arp 151, recovered by fitting a reverberation model to spectrophotometric monitoring data usi…
The Lick AGN Monitoring Project: Reverberation Mapping of Optical Hydrogen and Helium Recombination Lines
Misty C. Bentz, Jonelle L. Walsh, Aaron J. Barth +23
We have recently completed a 64-night spectroscopic monitoring campaign at the Lick Observatory 3-m Shane telescope with the aim of measuring the masses of the black holes in 12 ne…
The Lick AGN Monitoring Project: The MBH - sigma Relation For Reverberation-Mapped Active Galaxies
Jong-Hak Woo, Tommaso Treu, Aaron J. Barth +13
(Abridged) To investigate the black hole mass (MBH) vs. stellar velocity dispersion relation of active galaxies, we measured the velocity dispersions of a sample of local Seyfert 1…
SDSS J1254+0846: A Binary Quasar Caught in the Act of Merging
Paul J. Green, Adam D. Myers, Wayne A. Barkhouse +5
We present the first luminous, spatially resolved binary quasar that clearly inhabits an ongoing galaxy merger. SDSS J125455.09+084653.9 and SDSS J125454.87+084652.1 (SDSS J1254+08…