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VARIABILITY IN THE ORBITAL PROFILES OF THE X-RAY EMISSION OF THE gamma-RAY BINARY LS I+61 degrees 303
Torres, DF; Zhang S(张澍); Li J(李剑); Chen YP(陈玉鹏); Wang JM(王建民); Zhang, S; Li, JA; Rea, N; Caliandro, GA; Hadasch, D; Chen, YP; Wang, JM; Ray, PS
2010
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号719期号:1页码:L104-L108
通讯作者[Torres, Diego F. ; Rea, Nanda ; Andrea Caliandro, G. ; Hadasch, Daniela] CSIC, Inst Ciencies Espai, IEEC, Barcelona 08193, Spain ; [Torres, Diego F.] ICREA, Barcelona 08010, Spain ; [Zhang, Shu ; Li, Jian ; Chen, Yupeng ; Wang, Jianmin] Inst High Energy Phys, Lab Particle Astrophys, Beijing 100049, Peoples R China ; [Wang, Jianmin] CAS, TPCSF, Beijing 100049, Peoples R China ; [Ray, Paul S.] USN, Res Lab, Div Space Sci, Washington, DC 20375 USA
摘要We report on the analysis of Rossi X-Ray Timing Explorer Proportional Counter Array (PCA) monitoring observations of the gamma-ray binary system LS I + 61 degrees 303, covering 35 full cycles of its orbital motion. This constitutes the largest continuous X-ray-monitoring data set analyzed to date for this source. Such an extended analysis allows us to report (1) the discovery of variability in the orbital profiles of the X-ray emission, (2) the existence of a few (recent) short flares on top of the overall behavior typical of the source, which, given the PCA field of view, may or may not be associated with LS I + 61. 303, and (3) the determination of the orbital periodicity using soft X-ray data alone.
文章类型Article
关键词X-rays: binaries X-rays: individual (LS 61 degrees 303)
学科领域Astronomy & Astrophysics
DOI10.1088/2041-8205/719/1/L104
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000280853500023
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240235
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Torres, DF,Zhang S,Li J,et al. VARIABILITY IN THE ORBITAL PROFILES OF THE X-RAY EMISSION OF THE gamma-RAY BINARY LS I+61 degrees 303[J]. ASTROPHYSICAL JOURNAL LETTERS,2010,719(1):L104-L108.
APA Torres, DF.,张澍.,李剑.,陈玉鹏.,王建民.,...&Ray, PS.(2010).VARIABILITY IN THE ORBITAL PROFILES OF THE X-RAY EMISSION OF THE gamma-RAY BINARY LS I+61 degrees 303.ASTROPHYSICAL JOURNAL LETTERS,719(1),L104-L108.
MLA Torres, DF,et al."VARIABILITY IN THE ORBITAL PROFILES OF THE X-RAY EMISSION OF THE gamma-RAY BINARY LS I+61 degrees 303".ASTROPHYSICAL JOURNAL LETTERS 719.1(2010):L104-L108.
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