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Stellar Escape from Globular Clusters. I. Escape Mechanisms and Properties at Ejection
Newlin C. Weatherford, Fulya Kıroğlu, Giacomo Fragione +3
The theory of stellar escape from globular clusters (GCs) dates back nearly a century, especially the gradual evaporation of GCs via two-body relaxation coupled with external tides…
Growing Black Holes through Successive Mergers in Galactic Nuclei: I. Methods and First Results
Dany Atallah, Alessandro A. Trani, Kyle Kremer +4
We present a novel, few-body computational framework designed to shed light on the likelihood of forming intermediate-mass (IM) and supermassive (SM) black holes (BHs) in nuclear s…
Partial Tidal Disruption of Main-Sequence Stars by Intermediate-Mass Black Holes
Fulya Kıroğlu, James C. Lombardi, Kyle Kremer +3
We study close encounters of a middle-age main-sequence star (modeled using MESA) with massive black holes through hydrodynamic simulations, and explore in particula…
Intermediate-mass Black Holes on the Run from Young Star Clusters
Elena González Prieto, Kyle Kremer, Giacomo Fragione +4
The existence of black holes (BHs) with masses in the range between stellar remnants and supermassive BHs has only recently become unambiguously established. GW190521, a gravitatio…
Eccentric Mergers of Intermediate-Mass Black Holes from Evection Resonances in AGN Disks
Diego J. Muñoz, Nicholas C. Stone, Cristobal Petrovich +1
We apply the theory of nonlinear resonance capture to the problem of a black hole binary (BHB) orbiting a supermassive black hole (SMBH) while embedded in the accretion disk of an…
Formation of Low-mass Black Holes and Single Millisecond Pulsars in Globular Clusters
Kyle Kremer, Claire S. Ye, Fulya Kıroğlu +3
Close encounters between neutron stars and main-sequence stars occur in globular clusters and may lead to various outcomes. Here we study encounters resulting in tidal disruption o…