Uhuru Fourth (4U) Catalog
收藏B2FIND2026-03-19 收录
官方服务：
资源简介：
The Fourth Uhuru (4U) Catalog lists 339 X-ray sources that were observed with the Uhuru (SAS A) X-ray observatory. It contains positional information in the form of 90%...
第四版乌呼鲁（Uhuru，4U）星表编录了339个由乌呼鲁（SAS A）X射线天文台观测得到的X射线源。该星表以90%的形式包含位置信息……
