The SMBH mass versus M_G sigma^2 relation: A comparison between real data and numerical models

Details The SMBH mass versus M_G sigma^2 relation: A comparison between real data and numerical models The SMBH mass versus M_G sigma^2 relation: A comparison between real data and numerical models

2010-02-08

arxiv.org/abs/1002.1703v2

Gen Relativ Gravit (2011) 43:1007-1024

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

16 pages, 5 figures, to be published in a special issue of General Relativity and Gravitation

Scientific paper

10.1007/s10714-010-0963-y

The relation between the mass of supermassive black holes located in the center of the host galaxies and the kinetic energy of random motions of the corresponding bulges can be reinterpreted as an age-temperature diagram for galaxies. This relation fits the experimental data better than the M_bh-M_G, M_bh-L_G, and M_bh-sigma laws. The validity of this statement has been confirmed by using three samples extracted from different catalogues of galaxies. In the framework of the LambdaCDM cosmology our relation has been compared with the predictions of two galaxy formation models based on the Millennium Simulation.

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