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Date and Time of the Query: 2019-06-19 T06:22:24 PDT
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For refcode 2000ApJ...539L...9F:
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2000ApJ...539L...9F A Fundamental Relation between Supermassive Black Holes and Their Host Galaxies Laura Ferrarese Department of Physics and Astronomy, UCLA, Los Angeles, CA 90095; laura@astro.ucla.edu David Merritt Department of Physics and Astronomy, Rutgers University, New Brunswick, NJ 08854; merritt@physics.rutgers.edu Received 2000 June 1; accepted 2000 June 29; published 2000 August 3 ABSTRACT The masses of supermassive black holes correlate almost perfectly with the velocity dispersions of their host bulges, M_bh_ is proportional to {sigma}^{alpha}^, where {alpha} = 4.8 +/- 0.5. The relation is much tighter than the relation between M_bh_ and bulge luminosity, with a scatter no larger than expected on the basis of measurement error alone. Black hole masses recently estimated by Magorrian et al. lie systematically above the M_bh_-{sigma} relation defined by more accurate mass estimates, some by as much as 2 orders of magnitude. The tightness of the M_bh_-{sigma} relation implies a strong link between black hole formation and the properties of the stellar bulge. Subject headings: black hole physics-galaxies: evolution-galaxies: kinematics and dynamics
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