ChaMPlane中的闪烁偶发X射线源
The Brightest Serendipitous X-ray Sources in ChaMPlane
摘要：
钱德拉多波长平面巡天（ChaMPlane）是一项综合性的工作，旨在限制银河系中吸积动力和日冕低光度X射线源（L_X <10 ^33 erg s^-1）的数量。ChaMPlane结合了过去六年中用钱德拉成像的银河平面中的场的X射线、光学和红外观测。我们提出了ChaMPlane中最亮X射线源的总体研究结果。我们使用X射线光谱拟合，X射线光变曲线分析，和光学光度学的候选对应物，以确定21个源的属性。我们的样本包括一个先前未报道的静止低质量X射线双星或激变变星（R = 20.9）和十个恒星源（12.5 < R < 15），其中包括一颗耀斑星（R = 17.3）。我们发现，分位数分析，一种新的技术开发的限制低计数源的X射线光谱特性，在很大程度上是一致的光谱拟合。
英文摘要：
The Chandra Multiwavelength Plane (ChaMPlane) Survey is a comprehensive effort to constrain the population of accretion-powered and coronal low-luminosity X-ray sources (L_X < 10^33 erg s^-1) in the Galaxy. ChaMPlane incorporates X-ray, optical, and infrared observations of fields in the Galactic Plane imaged with Chandra in the past six years. We present the results of a population study of the brightest X-ray sources in ChaMPlane. We use X-ray spectral fitting, X-ray lightcurve analysis, and optical photometry of candidate counterparts to determine the properties of 21 sources. Our sample includes a previously unreported quiescent low-mass X-ray binary or cataclysmic variable (R = 20.9) and ten stellar sources (12.5 < R < 15), including one flare star (R = 17.3). We find that quantile analysis, a new technique developed for constraining the X-ray spectral properties of low-count sources, is largely consistent with spectral fitting.
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