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Gravitational loss-cone instability in stellar clusters around massive black holes

Published online by Cambridge University Press:  01 July 2007

Evgeny V. Polyachenko ,
Valerij L. Polyachenko  and
Ilia G. Shukhman
Evgeny V. Polyachenko
Affiliation:
Institute of Astronomy RAS, Moscow, Russia email: epolyach@inasan.ru
Valerij L. Polyachenko
Affiliation:
Institute of Astronomy RAS, Moscow, Russia email: epolyach@inasan.ru
Ilia G. Shukhman
Affiliation:
Institute of Solar-Terrestrial Physics, RAS SB, Irkutsk, Russia email: shukhman@iszf.irk.ru
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Abstract

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Stability of spherical and thin disk stellar clusters surrounding massive black holes are studied. Due to the black hole, stars with sufficiently low angular momenta escape from the system through the loss cone. We show that stability of spherical clusters crucially depend on whether the distribution of stars is monotonic or non-monotonic in angular momentum. It turns out that only non-monotonic distributions can be unstable. At the same time the instability in disk clusters is possible for both types of distributions.

Keywords

Galaxy: centergalaxies: nuclei
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 255 - 256
Copyright
Copyright © International Astronomical Union 2008

References

Polyachenko, V. L. 1991, Soviet Astron. Lett. 17, 371Google Scholar
Polyachenko, E. V. 2004, MNRAS 348, 345CrossRefGoogle Scholar
Polyachenko, E. V. 2005, MNRAS 357, 559CrossRefGoogle Scholar
Polyachenko, E. L., Polyachenko, V. L., & Shukhman, I. G. 2007, MNRAS, 379, 573CrossRefGoogle Scholar
Tremaine, S., 2005, ApJ, 625, 143CrossRefGoogle Scholar