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BIB-VERSION:: AST-PP-v1.0
ID:: epreps.stsci//prep1203
ENTRY:: March 9, 1998
TITLE:: Relics of Nuclear Activity: Do All Galaxies Have Massive Black Holes?
SUBTITLE::
AUTHOR:: Marel, Roeland P. van der
AFFIL:: Space Telescope Science Institute 3700 San Martin Drive Baltimore, MD 21218 USA
DATE:: December 1997
JOURNAL:: To appear in:
SUBMITTED::
ACCEPTED::
OTHER_ACCESS::
COPYRIGHT:: Copyright 1997 The Association of Universities for Research in Astronomy, Inc. All Rights Reserved.
LANGUAGE:: English
ABSTRACT::

The distribution of black hole (BH) masses
M in galaxies is
constrained by photometric and kinematic studies of individual
galaxies, and by the properties of the quasar population. I review our
understanding of these topics, present new results of adiabatic BH
growth models for HST photometry of elliptical galaxies with
brightness profiles of the `core' type, and discuss the implications
of ground-based stellar kinematical data. It is not yet possible to
uniquely determine the BH mass distribution, but the available
evidence is not inconsistent with a picture in which: (i) a majority
of galaxies has BHs; (ii) there is a correlation (with large scatter)
between \Mbh and spheroid luminosity
Lsph of the form
M

10-2
Lsph (solar B-band units); and (iii) the
BHs formed in a quasar phase through mass accretion with efficiency
SRC="/science/preprints/Icons/approx.gif" ALIGN=baseline WIDTH=12 HEIGHT=9> 0.05.





END:: epreps.stsci//prep1203