Sco X-1的多波段回波层析成像
天体物理学
2009-11-11 v1
摘要
我们展示了原型低质量X射线双星Sco X-1在1-10赫兹时间分辨率下同步X射线/光学观测活动的初步结果。通过ULTRACAM的窄带干涉滤光片获得了高激发鲍文/HeII发射线和波长约6000埃的红色连续谱的光变曲线，并将这些光变曲线与同时的RXTE X射线光变曲线进行了交叉相关分析。我们发现了相关变率的证据，特别是当Sco X-1进入闪耀分支时。鲍文/HeII光变曲线滞后于X射线光变曲线，其光行时与伴星中的再处理过程一致，而连续谱光变曲线的延迟较短，与吸积盘中的再处理过程一致。
引用
@article{arxiv.astro-ph/0507066,
title = {Multiband Echo Tomography of Sco X-1},
author = {T. Muñoz-Darias and I. G. Martínez-Pais and J. Casares and T. R. Marsh and R. Cornelisse and D. Steeghs and V. S. Dhillon and P. A. Charles},
journal= {arXiv preprint arXiv:astro-ph/0507066},
year = {2009}
}
备注
4 pages, 1 figure; contribution presented at COSPAR Colloquium "Spectra & Timing of Compact X-ray Binaries," January 17-20, 2005, Bombay, India. To be published in Advances in Space Research