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Diverse Broad Line Region Kinematic Signatures From Reverberation Mapping

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arxiv 0908.0327 v2 pith:QZPAUS2G submitted 2009-08-04 astro-ph.CO

K. D. Denney (Ohio State University , OSU) , B. M. Peterson (OSU) , R. W. Pogge (OSU) , A. Adair (Herzberg Institute of Astrophysics , National Research Council of Canada; HIA/NRC) , D. W. Atlee (Ohio State University) , K. Au-Yong (HIA/NRC)
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M. C. Bentz (OSU UC-Irvine) J. C. Bird (OSU) D. J. Brokofsky (University of Nebraska; UN) E. Chisholm (HIA/NRC) M. L. Comins (OSU Penn State) M. Dietrich (OSU) V. T. Doroshenko (Crimean Astrophysical Observatory; CrAO) J. D. Eastman (OSU) Y. S. Efimov (CrAO) S. Ewald (HIA/NRC) S. Ferbey (HIA/NRC) C. M. Gaskell (UN UT-Austin) C. H. Hedrick (UN K. Jackson (HIA/NRC) S. A. Klimanov (CrAO) E. S. Klimek (UN NMSU) A. K. Kruse (UN) A. Ladéroute (HIA/NRC) J. B. Lamb (University of Michigan; UM) K. Leighly (University of Oklahoma) T. Minezaki (University of Tokyo; UTokyo MAGNUM) S. V. Nazarov (CrAO) C. A. Onken (HIA/NRC The Australian National University) E. A. Petersen (UN) P. Peterson (Ohio University) S. Poindexter (OSU) Y. Sakata (UTokyo K. J. Schlesinger (OSU) S. G. Sergeev (CrAO) N. Skolski (HIA/NRC) L. Stieglitz (HIA/NRC) J. J. Tobin (UM) C. Unterborn (OSU) M. Vestergaard (Steward Observatory Copenhagen Univ.) A. E. Watkins (UN) L. C. Watson (OSU) Y. Yoshii (UTokyo
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A detailed analysis of the data from a high sampling rate, multi-month reverberation mapping campaign, undertaken primarily at MDM Observatory with supporting observations from telescopes around the world, reveals that the Hbeta emission region within the broad line regions (BLRs) of several nearby AGNs exhibit a variety of kinematic behaviors. While the primary goal of this campaign was to obtain either new or improved Hbeta reverberation lag measurements for several relatively low luminosity AGNs (presented in a separate work), we were also able to unambiguously reconstruct velocity-resolved reverberation signals from a subset of our targets. Through high cadence spectroscopic monitoring of the optical continuum and broad Hbeta emission line variations observed in the nuclear regions of NGC 3227, NGC 3516, and NGC 5548, we clearly see evidence for outflowing, infalling, and virialized BLR gas motions, respectively.

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  1. AGN Reverberation Mapping with LITMUS: Fundamental Limits on lag Recovery Rates

    astro-ph.CO 2026-08 conditional novelty 7.0 of 10

    A Bayesian re-analysis of 906 OzDES AGN finds that previous reverberation lags, especially for MgII and CIV, are often false positives, with only 3-28% of MgII sources showing simple lags.

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