A black hole fundamental plane

Details A black hole fundamental plane A black hole fundamental plane

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..245..219h&link_type=abstract

Formation and Evolution of Galaxy Bulges, Proceedings of the International Astronomical Union, IAU Symposium, Volume 245, p. 219

Astronomy and Astrophysics

Astronomy

1

Galaxies: Bulges, Galaxies: Evolution, Galaxies: Nuclei, Quasars: General

Scientific paper

We study observed correlations between supermassive black hole (BHs) and the properties of their host galaxies, and show that the observations define a BH “fundamental plane” (BHFP), of the form \mbh∝σ3.0±0.3 \re0.43±0.19 or \mbh∝\mstar0.54±0.17 σ2.2±0.5, analogous to the FP of elliptical galaxies. The BHFP is preferred over a simple relation between MBH and any of σ, M*, Mdyn, or Re alone at > 3 σ (99.9%) significance. The existence of this BHFP has important implications for the formation of supermassive BHs and the masses of the very largest black holes, and immediately resolves several apparent conflicts between the BH masses expected and measured for outliers in both the MBH - σ and MBH - M* relations.

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