http://arxiv.org/abs/1908.00266
We investigate the dissolution process of star clusters embedded in an external tidal field and harboring a subsystem of stellar-mass black hole. For this purpose we analyzed the MOCCA models of real star clusters contained in the Mocca Survey Database I. We showed that the presence of a stellar-mass black hole subsystem in tidally filling star cluster can lead to abrupt cluster dissolution connected with the loss of cluster dynamical equilibrium. Such cluster dissolution can be regarded as a third type of cluster dissolution mechanism. We additionally argue that such a mechanism should also work for tidally under-filling clusters with a top-heavy initial mass function.
M. Giersz, A. Askar, L. Wang, et. al.
Fri, 2 Aug 19
54/61
Comments: 4 pages, 1 figure. Contribution to the proceedings of the IAU Symposium No. 351: “Star Clusters: from the Milky Way to the Early Universe”