X-ray sources in NGC 188
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I present the analysis results from XMM-Newton observations of the old open stellar cluster NGC 188, which has an age of about 7Gyr and a near solar metallicity. 58 X-ray...
本文呈现了针对老年疏散星团NGC 188的XMM-Newton观测结果分析，该星团年龄约70亿年，金属丰度接近太阳。共获取58次X射线……
