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Date and Time of the Query: 2019-05-23 T01:38:40 PDT
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For refcode 2011ApJ...728L..24S:
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Copyright by American Astronomical Society. Reproduced by permission
2011ApJ...728L..24S Relation Between Globular Clusters and Supermassive Black Holes in Ellipticals as a Manifestation of the Black Hole Fundamental Plane Snyder, Gregory F.; Hopkins, Philip F.; Hernquist, Lars Abstract. We analyze the relation between the mass of the central supermassive black hole (M_BH_) and the number of globular clusters (N_GC_) in elliptical galaxies and bulges as a ramification of the black hole fundamental plane, the theoretically predicted and observed multi-variable correlation between M_BH_ and bulge binding energy. Although the tightness of the M_BH_-N_GC_ correlation suggests an unlikely causal link between supermassive black holes and globular clusters (GCs), such a correspondence can exhibit small scatter even if the physical relationship is indirect. We show that the relatively small scatter of the M_BH_-N_GC_ relation owes to the mutual residual correlation of M_BH_ and N_GC_ with stellar mass when the velocity dispersion is held fixed. Thus, present observations lend evidence for feedback-regulated models in which the bulge binding energy is most important; they do not necessarily imply any "special" connection between GCs and M_BH_. This raises the question of why N_GC_ traces the formation of ellipticals and bulges sufficiently well to be correlated with binding energy. Key words: black hole physics, galaxies: elliptical and lenticular, cD, galaxies: evolution, galaxies: formation
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