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科研机构
高能物理研究所 [5]
内容类型
期刊论文 [5]
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2018 [2]
2017 [2]
2007 [1]
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Astronomy ... [1]
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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
  |  
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.
Calvera: A Low-mass Strangeon Star Torqued by Debris Disk?
期刊论文
ASTROPHYSICAL JOURNAL, 2018, 卷号: 854, 期号: 2, 页码: 165
作者:
Ge MY(葛明玉)
;
Wang, WY
;
Li, YY
;
Xu, RX
;
Tong, H
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  |  
浏览/下载:21/0
  |  
提交时间:2019/09/24
accretion, accretion disks
pulsars: individual (Calvera1RXS J141256.0+792204)
stars: neutron
A possible origin of the galactic center magnetar sgr 1745-2900
期刊论文
Research in astronomy and astrophysics, 2017, 卷号: 17, 期号: 6, 页码: 8
作者:
Cheng, Quan
;
Zhang, Shuang-Nan
;
Zheng, Xiao-Ping
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  |  
浏览/下载:23/0
  |  
提交时间:2019/04/23
Stars: neutron
Stars: magnetars
Stars: magnetic field
Pulsars: individual (sgr 1745-2900)
A possible origin of the Galactic Center magnetar SGR 1745-2900
期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS天文和天体物理学研究, 2017, 卷号: 17, 期号: 6, 页码: 54
作者:
Zheng, XP
;
Cheng Q(程泉)
;
Zhang SN(张双南)
;
Cheng, Q
;
Zhang, SN
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  |  
浏览/下载:9/0
  |  
提交时间:2019/08/27
stars: neutron
stars: magnetars
stars: magnetic field
pulsars: individual (SGR 1745-2900)
The applications of the MHD Alfven wave oscillation model for kHz quasi-periodic oscillations
期刊论文
ASTRONOMISCHE NACHRICHTEN, 2007, 卷号: 328, 期号: 6, 页码: 491-498
作者:
Zhang, CM
;
Yin, HX
;
Zhao, YH
;
Chang, HK
;
Song, LM
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浏览/下载:11/0
  |  
提交时间:2016/06/28
accretion : accretion disks
stars : neutron
binaries : close
X-rays : binaries
X-rays : stars
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