Tracing the relation between black holes and dark haloes
Pieter Buyle, Maarten Baes, Herwig Dejonghe
Abstract
We present new velocity dispersion measurements for a set of 12 spiral galaxies and use them to derive a more accurate Vc - sigma relation which holds for a wide morphological range of galaxies. Combined with the MBH - 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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