IC 1805 XMM-Newton X-Ray Source Catalog

Very young open clusters are ideal places to study the X-ray properties of a homogeneous population of early-type stars. In this respect, the IC 1805 open cluster is...极年轻疏散星团（open cluster）是研究早型星（early-type stars）同质星族（homogeneous population）X射线特性的理想场所。就此而言，IC 1805疏散星团是……