Diverse kinematic signatures from reverberation mapping of the broad-line region in AGNs

K. D. Denney, B. M. Peterson, R. W. Pogge, A. Adair, D. W. Atlee, K. Au-Yong, M. C. Bentz, J. C. Bird, D. J. Brokofsky, E. Chisholm, M. L. Comins, M. Dietrich, V. T. Doroshenko, J. D. Eastman, Y. S. Efimov, S. Ewald, S. Ferbey, C. M. Gaskell, C. H. Hedrick, K. JacksonS. A. Klimanov, E. S. Klimek, A. K. Kruse, A. Ladéroute, J. B. Lamb, K. Leighly, T. Minezaki, S. V. Nazarov, C. A. Onken, E. A. Petersen, P. Peterson, S. Poindexter, Y. Sakata, K. J. Schlesinger, S. G. Sergeev, N. Skolski, L. Stieglitz, J. J. Tobin, C. Unterborn, M. Vestergaard, A. E. Watkins, L. C. Watson, Y. Yoshii

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    152 Citations (Scopus)

    Abstract

    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 Hβ emission region within the broad-line regions (BLRs) of several nearby active galactic nuclei (AGNs) exhibits a variety of kinematic behaviors. While the primary goal of this campaign was to obtain either new or improved Hβ reverberation lag measurements for several relatively low-luminosity AGNs, 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 Hβ emission-line variations observed in the nuclear regions of NGC3227, NGC3516, and NGC5548, we clearly see evidence for outflowing, infalling, and virialized BLR gas motions, respectively.

    Original languageEnglish
    Pages (from-to)L80-L84
    JournalAstrophysical Journal
    Volume704
    Issue number2 PART 2
    DOIs
    Publication statusPublished - 2009

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