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国家天文台 [3]
高能物理研究所 [1]
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期刊论文 [4]
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2019 [3]
2018 [1]
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On the wind accretion model of GX 301-2
期刊论文
Journal of Physics: Conference Series, 2019, 卷号: 1258, 期号: 1
作者:
Taani,Ali
;
Karino,Shigeyuki
;
Song,Liming
;
Mardini,Mohammad
;
Al-Wardat,Mashhoor
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2020/03/10
On the possibility of disk-fed formation in supergiant high-mass X-ray binaries
期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2019, 卷号: 19, 期号: 1, 页码: 8
作者:
Taani, Ali
;
Karino, Shigeyuki
;
Song, Liming
;
Al-Wardat, Mashhoor
;
Khasawneh, Awni
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  |  
浏览/下载:12/0
  |  
提交时间:2020/03/10
binaries: X-rays
stars: neutron
stars: fundamental parameters
accretion disks
formation
magnetic fields
onthepossibilityofdiskfedformationinsupergianthighmassxraybinaries
期刊论文
天文和天体物理学研究英文版, 2019, 卷号: 000, 期号: 001, 页码: 123
作者:
Ali Taani
;
Shigeyuki Karino
;
Liming Song
;
Mashhoor AlWardat
;
Awni Khasawneh
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浏览/下载:0/0
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提交时间:2020/03/11
A New Set of Parameters of High-Mass X-ray Binaries Found with their Cyclotron Lines
期刊论文
arXiv e-prints, 2018
作者:
Zhang, Chengmin
;
Taani, Ali
;
Chaty, Sylvain
;
Karino, Shigeyuki
;
Song, Liming
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浏览/下载:66/0
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提交时间:2019/07/12
Astrophysics - High Energy Astrophysical Phenomena
Abstract: We have derived new physical quantities for several High-Mass X-ray Binaries (HMXBs) with supergiant (SG) companions through their cyclotron lines. The parameters are: the terminal velocity of the wind, the mass loss rate of the donor, the effective temperature and the magnetic fields. These parameters influence significantly the improvement of the model of accretion. In spite of the variety of their observational properties, the corresponding magnetic field is around B ~ 10^12 G. This result can be constrained by the effects on stellar evolution. In addition, we have performed a segmentation in the parameter space of donors intended for several SG-HMXB listed in our sample set. The parameter space can be categorized into five regimes depending on the possibility of disk formation associated with accretion from the stellar wind. This can give a quantitative clarification of the observed variability and the properties of these objects. We show that, when these systems come into the direct accretion region, systems with corresponding parameters can emit X-rays.
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