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科研机构
西安交通大学 [2]
高能物理研究所 [1]
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期刊论文 [2]
会议论文 [1]
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2018 [1]
2014 [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:67/0
  |  
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.
Joint Segmentation and Recognition of Categorized Objects From Noisy Web Image Collection
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2014, 卷号: 23, 期号: [db:dc_citation_issue], 页码: 4070-4086
作者:
Wang, Le
;
Hua, Gang
;
Xue, Jianru
;
Gao, Zhanning
;
Zheng, Nanning
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浏览/下载:3/0
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提交时间:2019/12/03
object recognition
auto-context model
cosegmentation
Segmentation of categorized objects
Concurrent Segmentation of Categorized Objects from an Image Collection
会议论文
作者:
Wang, Le
;
Xue, Jianru
;
Zheng, Nanning
;
Hua, Gang
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浏览/下载:1/0
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提交时间:2019/12/10
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