Rosat North Ecliptic survey stellar population

X-ray surveys are a very efficient mean of detecting young stars and therefore allow us to study the young stellar population in the solar neighborhood and the local star...X射线巡天（X-ray surveys）是探测年轻恒星的高效手段，可助力我们研究太阳邻域与本地恒星中的年轻恒星族群……