XMM-Newton/2dF survey. II.
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In this paper we investigate the properties of low X-ray-to-optical flux ratio sources detected in a wide-area (2.5{deg}^2^) shallow [fX(0.5-8keV)~10^-14^erg/s/cm^2^] XMM-Newton...
本文针对在宽视场(2.5平方度)、0.5-8千电子伏特(keV)波段X射线通量极限约为$10^{-14} mathrm{erg}cdotmathrm{s}^{-1}cdotmathrm{cm}^{-2}$的浅巡天中探测到的低X射线-光学通量比源的性质展开研究,所用观测设备为XMM-牛顿(XMM-Newton)望远镜……



