Do Globular Clusters Harbor Black Holes?

Details Do Globular Clusters Harbor Black Holes? Do Globular Clusters Harbor Black Holes?

2001-06-22

arxiv.org/abs/astro-ph/0106410v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, 1 table; accepted for publication in CJAA

Scientific paper

It has been firmly established that there exists a tight correlation between the central black hole mass and velocity dispersion (or luminosity) of elliptical galaxies, ``pseudobulges'' and bulges of galaxies, although the nature of this correlation still remains unclear. In this letter, we explore the possibility of extrapolating such a correlation to less massive, spherical systems like globular clusters. In particular, motivated by the apparent success in globular cluster M15, we present an estimate of the central black hole mass for a number of globular clusters with available velocity dispersion in the literature.

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