A dust-parallax distance of 19 megaparsecs to the supermassive black hole in NGC 4151

Sebastian F. Hönig (), Darach Watson, Makoto Kishimoto and Jens Hjorth
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Sebastian F. Hönig: Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark
Darach Watson: Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark
Makoto Kishimoto: Faculty of Science, Kyoto Sangyo University, Kamigamo-motoyama, Kita-ku, Kyoto 603-8555, Japan
Jens Hjorth: Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark

Nature, 2014, vol. 515, issue 7528, 528-530

Abstract: A distance measurement based on observations of the hot-dust emitting region of the active galaxy NGC 4151 yields a value of 19 megaparsecs, implying a 1.4-fold increase in the dynamical mass of the galaxy’s central black hole and a corresponding correction to emission line reverberation masses of black holes in other active galactic nuclei if calibrated against NGC 4151′s dynamical mass.

Date: 2014
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DOI: 10.1038/nature13914

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