激变变星中的快速振荡. XVII. 1RXS J070407+262501
太阳与恒星天体物理
2015-05-20 v1
摘要
我们展示了对最近发现的中间偏振星1RXS J070407+262501的研究,该星以其在P = 480秒处的大振幅脉冲信号而著称。径向速度表明轨道周期为0.1821(2)天,光变曲线表明周期为0.18208(6)天。时间序列测光显示精确的自旋周期为480.6700(4)秒,并以0.096(9)毫秒/年的速率减小,即时间尺度P/P-dot = 2.5 × 10^6年。光变曲线似乎还显示出一个神秘的信号,周期为P = 0.263天,这可能意味着这颗磁性激变变星中存在“超驼峰”。
引用
@article{arxiv.1012.3408,
title = {Rapid Oscillations in Cataclysmic Variables. XVII. 1RXS J070407+262501},
author = {J. Patterson and J. R. Thorstensen and H. A. Sheets and J. Kemp and L. Vican and H. Uthas and D. Boyd and M. Potter and T. Krajci and T. Campbell and G. Roberts and D. Starkey and B. Goff},
journal= {arXiv preprint arXiv:1012.3408},
year = {2015}
}
备注
Publications of the Astronomical Society of the Pacific, in press