Wolf-Rayet stars and relativistic objects: Distinctions between the mass distributions in close binary systems

作者: A. M. Cherepashchuk

DOI: 10.1134/1.1346721

关键词:

摘要: The observed properties of Wolf-Rayet stars and relativistic objects in close binary systems are analyzed. final masses MCOf for the carbon-oxygen cores WR + O binaries calculated taking into account radial loss matter via stellar wind, which depends on mass star. analysis includes new data clumpy structure winds, appreciably decreases required mass-loss rates \(\dot M_{WR}\) stars. lie range (1–2)M⊙–(20–44)M⊙ have a continuous distribution. Mx 1–20M⊙ bimodal distribution: mean neutron black holes 1.35 ± 0.15M⊙ 8–10M⊙, respectively, with gap from 2–4M⊙ no or binaries. CO-core is \(\overline M _{CO}^f = 7.4 - 10.3M_ \odot\), to holes. This suggests that it not only progenitor determines nature object, but other parameters as well-rotation, magnetic field, etc. One SB1R 11 suspected C may low-mass companions (main-sequence subgiant M-A stars) identified; these could be progenitors X-ray

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