UNVEILING THE SUPER-ORBITAL MODULATION OF LS I+61 degrees 303 IN X-RAYS
Li J(李剑); Li, J; Zhang S(张澍); Torres, DF; Zhang, S; Hadasch, D; Rea, N; Caliandro, GA; Chen, YP; Wang, JM; Chen YP(陈玉鹏); Wang JM(王建民)
刊名ASTROPHYSICAL JOURNAL LETTERS
2012
卷号744期号:1页码:L13
关键词X-rays: binaries X-rays: individual (LS I+61 degrees 303)
学科分类Astronomy & Astrophysics
DOI10.1088/2041-8205/744/1/L13
英文摘要From the longest monitoring of LS I + 61 degrees 303 done to date by the Rossi X-ray Timing Explorer we found evidence for the long-sought, years-long modulation in the X-ray emission of the source. The time evolution of the modulated fraction in the orbital light curves can be well fitted with a sinusoidal function having a super-orbital period of 1667 days, the same as the one reported in non-contemporaneous radio measurements. However, we have found a 281.8 +/- 44.6 day shift between the super-orbital variability found at radio frequencies extrapolated to the observation time of our campaign and what we found in the super-orbital modulation of the modulated fraction of our X-ray data. We also find a super-orbital modulation in the maximum count rate of the orbital light curves, compatible with the former results, including the shift.
收录类别SCI
WOS记录号WOS:000298405000013
引用统计
被引频次:18[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/311005/224736
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Li J,Li, J,Zhang S,et al. UNVEILING THE SUPER-ORBITAL MODULATION OF LS I+61 degrees 303 IN X-RAYS[J]. ASTROPHYSICAL JOURNAL LETTERS,2012,744(1):L13.
APA 李剑.,Li, J.,张澍.,Torres, DF.,Zhang, S.,...&王建民.(2012).UNVEILING THE SUPER-ORBITAL MODULATION OF LS I+61 degrees 303 IN X-RAYS.ASTROPHYSICAL JOURNAL LETTERS,744(1),L13.
MLA 李剑,et al."UNVEILING THE SUPER-ORBITAL MODULATION OF LS I+61 degrees 303 IN X-RAYS".ASTROPHYSICAL JOURNAL LETTERS 744.1(2012):L13.
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