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Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
国家天文台 [1]
高能物理研究所 [1]
采集方式
OAI收割 [2]
内容类型
期刊论文 [2]
发表日期
2019 [2]
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Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations
期刊论文
OAI收割
JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2019, 卷号: 23, 页码: 29-32
作者:
Xiao, G. C.
;
Ji, L.
;
Staubert, R.
;
Ge, M. Y.
;
Zhang, S.
  |  
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2020/03/10
Stars: neutron star
Pulsars: binary(Her X-1)
X-rays: stars
Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations
期刊论文
OAI收割
Journal of High Energy Astrophysics, 2019, 卷号: 23, 页码: 29-32
作者:
HXMT
  |  
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2022/02/08
Stars: neutron star
Pulsars: binary(Her X-1)
X-rays: stars
Astrophysics - High Energy Astrophysical Phenomena
Abstract: The long-term evolution of the centroid energy of the CRSF in Her X-1 is still a mystery. We report a new measurement from a campaign between Insight-HXMT and NuSTAR performed in February 2018. Generally, the two satellites show well consistent results of timing and spectral properties. The joint spectral analysis confirms that the previously observed long decay phase has ended, and that the line energy instead keeps constant around 37.5 keV after flux correction.