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Marginally stable thick discs orbiting the Kerr–de Sitter black holes: the mass estimates

Published online by Cambridge University Press:  01 August 2006

Petr Slaný  and
Zdeněk Stuchlík
Petr Slaný
Affiliation:
Institute of Physics, Faculty of Philosophy and Science, Silesian University in Opava, Bezručovo nám. 13, CZ-746 01 Opava, Czech Republic email: zdenek.stuchlik@fpf.slu.cz, petr.slany@fpf.slu.cz
Zdeněk Stuchlík
Affiliation:
Institute of Physics, Faculty of Philosophy and Science, Silesian University in Opava, Bezručovo nám. 13, CZ-746 01 Opava, Czech Republic email: zdenek.stuchlik@fpf.slu.cz, petr.slany@fpf.slu.cz
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Abstract

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Basic properties of equipotential surfaces in test perfect fluid tori with uniform distribution of the specific angular momentum orbiting KdS black holes are summarized. The central mass-densities of adiabatic non-relativistic tori, for which the approximation of test fluid is adequate, are given and compared with the typical densities of Giant Molecular Clouds.

Keywords

Accretionaccretion disks – black hole physics – cosmological parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 449 - 450
Copyright
Copyright © International Astronomical Union 2007

References

Abramowicz, M. A., Jaroszyński, M. & Sikora, M. 1978, A&A, 63, 221Google Scholar
Slaný, P. & Stuchlík, Z. 2005, Classical Quantum Gravity, 22, 3623CrossRefGoogle Scholar
Stuchlík, Z. 2005, Mod. Phys. Lett. A, 20, 561CrossRefGoogle Scholar
Stuchlík, Z. & Slaný, P. 2004, Phys. Rev. D, 69, 064001CrossRefGoogle Scholar