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arXiv 1210.6180astro-ph.HEastro-ph.SR
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揭示LSI +61 303在X射线中的超轨道调制

Unveiling the super-orbital modulation of LSI +61 303 in X-rays

Jian Li, Diego F. Torres, Shu Zhang, Daniela Hadasch, Nanda Rea, G. Andrea Caliandro, Yupeng Chen, Jianmin Wang

摘要:

我们从RXTE最长的监测日期中发现了LS I +61 303 X射线发射的超轨道调制的证据。轨道光变曲线中的调制分数的时间演化可以很好地拟合具有1667天的超轨道周期的正弦函数。然而,我们发现在射频和我们的X射线数据中发现的超轨道变化之间有281.8+/-44.6天的偏移。我们还发现了超轨道调制的最大计数率的轨道光变曲线,与以前的结果,包括移动兼容。

英文摘要:

We found evidence for the super-orbital modulation in the X-ray emission of LS I +61 303 from the longest monitoring date by the RXTE. 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. However, we have found a 281.8+/-44.6 day shift between the super-orbital variability found at radio frequencies and 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.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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