SHAO Astrophysics Colloquia
Title: Formation of Galactic Black Hole Low-Mass X-ray Binaries
Speaker: Xiangdong Li (李向东教授, Nanjing University)
Time: 3 PM, Dec. 29 (Thursday)
Location: Lecture Hall, 3rd floor
Abstract: There are ~108-109 stellar-mass black holes (BHs) in our Galaxy, but only around 24 of them have been dynamically confirmed. These BHs are in X-ray binary systems, accreting from a companion star. Most of them are low-mass X-ray binaries (LMXBs) with a low-mass donor star and a short orbital period. Although the formation of these systems has been extensively investigated, some crucial issues remain unresolved. The most noticeable ones are the mass gap of BHs and the survival of a low-mass companion during the common envelope process. In this talk I will discuss possible formation channels for BH LMXBs. In particular, it is possible to form BH LMXBs with the standard common envelope scenario if most BHs are born through failed supernovae.
Group meetings
Black hole Accretion and High-energy Astrophysics /Black Hole Feedback and Cosmic Ray Astrophysics Seminar
Location: 1608
Time: 9:30-11:30, Friday (Dec. 30)
Speaker: Fulai Guo
The Impact of Star Formation Feedback on the Circumgalactic Medium
http://adsabs.harvard.edu/abs/2016arXiv160606734F
Speaker: Peiyao Xu
A Molecular Disk around the Episodic Jets in KjPn 8
http://adsabs.harvard.edu/abs/2016arXiv160606734F
