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- Title
Formation of mass gap compact object and black hole binary from Population III stars.
- Authors
Kinugawa, Tomoya; Nakamura, Takashi; Nakano, Hiroyuki
- Abstract
We performed population synthesis simulations of Population III binary stars with Maxwellian kick velocity distribution when MGCOs (mass gap compact objects, with mass |$2$| – |$5\,M_{\odot}$|) are formed. We found that for eight kick velocity dispersion models of |$\sigma_{\rm k}=0$| – |$500\>$| km |$\>$| s |$^{-1}$| , the mean mass of black hole (BH)-MGCO binary is |$\sim (30 \,M_\odot,\,2.6 \,M_\odot)$|. In numerical data of our simulations, we found the existence of a BH-MGCO binary with mass |$(22.9 \,M_\odot,\,2.5 \,M_\odot)$| which looks like GW190814.
- Subjects
RELATIVISTIC electrodynamics; BINARY black holes; BINARY stars; RENORMALIZATION group; QUADRATIC transformations
- Publication
Progress of Theoretical & Experimental Physics: PTEP, 2021, Vol 2021, Issue 2, p1
- ISSN
2050-3911
- Publication type
Article
- DOI
10.1093/ptep/ptaa176