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Stable mass transfer in massive binaries leading to merging black holes
Xiao-Tian Xu, Norbert Langer, Jakub Klencki +2
The vast majority of massive binary systems in the universe is evidently unsuited to produce merging binary black holes. However, several narrow evolutionary paths of isolated mass…
Formation of millisecond pulsar-helium star binaries
Zhu-Ling Deng, Xiang-Dong Li, Yong Shao +2
PSR J1928+1815, the first recycled pulsar-helium (He) star binary discovered by the Five-hundred-meter Aperture Spherical radio Telescope, consists of a 10.55 ms pulsar and a compa…
Search for Radio Pulsations from Neutron Star Candidates in Detached Binaries
Shi-Jie Gao, Xiang-Dong Li, Song Wang +7
Recent optical astrometric and spectroscopic surveys have identified numerous neutron star (NS) candidates in non-accreting detached binary systems, but their compact-object nature…
An XMM-Newton View of the ANdromeda Galaxy as Explored in a Legacy Survey (New-ANGELS) II: Luminosity Function of X-ray Sources
Rui Huang, Jiang-Tao Li, Wei Cui +5
As part of the New-ANGELS program, we systematically investigate the X-ray luminosity functions (XLFs) of 4506 X-ray sources projected within a radius of 2.5 deg centering on M31.…
A Two-Stage Kick Scenario for the Peculiar LMXB GX 1+4
Xiangyu Ivy Wang, Shi-Jie Gao, Xiang-Dong Li
The low-mass X-ray binary (LMXB) GX 1+4 stands out with its unique properties. Despite being an old system, it hosts a strongly magnetized neutron star (NS), a trait usually linked…
A statistical study of type II outbursts of XRPs: Brighter accreting pulsars rotate faster
Shan-Shan Weng, Xiao-Tian Xu, Han-Long Peng +6
X-ray pulsars (XRPs) consist of a magnetized neutron star (NS) and an optical donor star. The NS accretes matter from the donor star producing pulsed X-ray emission. In most cases…