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Title:
Diverse Kinematic Signatures from Reverberation Mapping of the Broad-Line Region in AGNs
Authors:
Denney, K. D.; Peterson, B. M.; Pogge, R. W.; Adair, A.; Atlee, D. W.; Au-Yong, K.; Bentz, M. C.; Bird, J. C.; Brokofsky, D. J.; Chisholm, E.; Comins, M. L.; Dietrich, M.; Doroshenko, V. T.; Eastman, J. D.; Efimov, Y. S.; Ewald, S.; Ferbey, S.; Gaskell, C. M.; Hedrick, C. H.; Jackson, K.; Klimanov, S. A.; Klimek, E. S.; Kruse, A. K.; Ladéroute, A.; Lamb, J. B.; Leighly, K.; Minezaki, T.; Nazarov, S. V.; Onken, C. A.; Petersen, E. A.; Peterson, P.; Poindexter, S.; Sakata, Y.; Schlesinger, K. J.; Sergeev, S. G.; Skolski, N.; Stieglitz, L.; Tobin, J. J.; Unterborn, C.; Vestergaard, M.; Watkins, A. E.; Watson, L. C.; Yoshii, Y.
Affiliation:
AA(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AB(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ; Center for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, USA ; ), AC(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ; Center for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, USA ; ), AD(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AE(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AF(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AG(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ; Current address: Department of Physics and Astronomy, 4129 Frederick Reines Hall, University of California at Irvine, Irvine, CA 92697-4575, USA ; ), AH(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AI(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ; Deceased, 2008 September 13. ; ), AJ(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AK(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ; Current address: Astronomy and Astrophysics Department, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802, USA. ; ), AL(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AM(Crimean Laboratory of the Sternberg Astronomical Institute, p/o Nauchny, 98409 Crimea, Ukraine ; Crimean Astrophysical Observatory, p/o Nauchny, 98409 Crimea, Ukraine ; Isaak Newton Institute of Chile, Crimean Branch, Ukraine ; ), AN(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AO(Crimean Astrophysical Observatory, p/o Nauchny, 98409 Crimea, Ukraine ), AP(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AQ(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AR(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ; Current address: Astronomy Department, University of Texas, Austin, TX 78712-0259, USA ), AS(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ; Current address: Astronomy and Astrophysics Department, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802, USA. ), AT(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AU(Crimean Astrophysical Observatory, p/o Nauchny, 98409 Crimea, Ukraine ; Isaak Newton Institute of Chile, Crimean Branch, Ukraine ), AV(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ; Current address: Astronomy Department, MSC 4500, New Mexico State University, P.O. Box 30001, La Cruces, NM 88003-8001, USA. ), AW(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ; Current address: Physics Department, University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706-1390, USA. ), AX(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), AY(Department of Astronomy, University of Michigan, 500 Church St., Ann Arbor, MI 48109-1040, USA ), AZ(Homer L. Dodge Department of Physics and Astronomy, The University of Oklahoma, 440 W. Brooks St., Norman, OK 73019, USA ), BA(Institute of Astronomy, School of Science, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan ), BB(Crimean Astrophysical Observatory, p/o Nauchny, 98409 Crimea, Ukraine ; Isaak Newton Institute of Chile, Crimean Branch, Ukraine ), BC(Dominion Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ; Current address: Mount Stromlo Observatory, Research School of Astronomy & Astrophysics, The Australian National University, Cotter Road, Weston Creek, ACT 2611, Australia ; Plaskett Fellow. ), BD(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ), BE(Ohio University, Department of Physics and Astronomy, Athens, OH 45701-2979, USA ), BF(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), BG(Department of Astronomy, School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0013, Japan ), BH(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), BI(Crimean Astrophysical Observatory, p/o Nauchny, 98409 Crimea, Ukraine ; Isaak Newton Institute of Chile, Crimean Branch, Ukraine ), BJ(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), BK(Centre of the Universe, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada ), BL(Department of Astronomy, University of Michigan, 500 Church St., Ann Arbor, MI 48109-1040, USA ), BM(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), BN(Steward Observatory, The University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA ; DARK Cosmology Centre, Niels Bohr Institute, Copenhagan University.), BO(Department of Physics & Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA ), BP(Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), BQ(Institute of Astronomy, School of Science, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan )
Publication:
The Astrophysical Journal Letters, Volume 704, Issue 2, pp. L80-L84 (2009). (ApJL Homepage)
Publication Date:
10/2009
Origin:
IOP
ApJ Keywords:
galaxies: active, galaxies: nuclei, galaxies: Seyfert
DOI:
10.1088/0004-637X/704/2/L80
Bibliographic Code:
2009ApJ...704L..80D

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 NGC 3227, NGC 3516, and NGC 5548, we clearly see evidence for outflowing, infalling, and virialized BLR gas motions, respectively.
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