Tracing the relation between black holes and dark haloes

Details Tracing the relation between black holes and dark haloes Tracing the relation between black holes and dark haloes

2003-11-26

arxiv.org/abs/astro-ph/0311579v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures, to appear in Proc. IAU Symp. 220, "Dark Matter in Galaxies" eds. S. Ryder, D.J. Pisano, M. Walker, & K. Fr

Scientific paper

We present new velocity dispersion measurements for a set of 12 spiral galaxies and use them to derive a more accurate V_c - sigma relation which holds for a wide morphological range of galaxies. Combined with the M_BH - sigma relation, this relation can be used as a tool to estimate supermassive black hole (SMBH) masses by means of the asymptotic circular velocity. Together with the Tully-Fisher relation, it serves as a constraint for galaxy formation and evolution models.

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