天鹅座X-1含一个21倍太阳质量黑洞——对大质量恒星星风的影响
高能天体物理现象
2021-02-19 v1
摘要
大质量恒星的演化受到其一生中因星风而损失的质量的影响。这些星风限制了恒星最终产生的恒星遗迹（如黑洞）的质量。我们利用射电天体测量学精化了黑洞X射线双星天鹅座X-1的距离，发现其为千秒差距。结合先前的光学数据，这意味着黑洞质量为倍太阳质量，高于此前的测量值。在高金属丰度系统中形成如此高质量的黑洞，对大质量恒星的星风质量损失构成了约束。
引用
@article{arxiv.2102.09091,
title = {Cygnus X-1 contains a 21-solar mass black hole -- implications for massive star winds},
author = {James C. A. Miller-Jones and Arash Bahramian and Jerome A. Orosz and Ilya Mandel and Lijun Gou and Thomas J. Maccarone and Coenraad J. Neijssel and Xueshan Zhao and Janusz Ziółkowski and Mark J. Reid and Phil Uttley and Xueying Zheng and Do-Young Byun and Richard Dodson and Victoria Grinberg and Taehyun Jung and Jeong-Sook Kim and Benito Marcote and Sera Markoff and María J. Rioja and Anthony P. Rushton and David M. Russell and Gregory R. Sivakoff and Alexandra J. Tetarenko and Valeriu Tudose and Joern Wilms},
journal= {arXiv preprint arXiv:2102.09091},
year = {2021}
}
备注
Published online in Science on 2021 February 18; Main (3 figures; 1 Table) + Supplementary (11 figures; 3 Tables)