Proper motions in 6 globular clusters

We derive relative proper motions of stars in the fields of globular clusters M4, M12, M22, NGC 3201, NGC 6362 and NGC 6752 based on a uniform data set collected between 1997...

本研究基于1997年采集的标准化数据集，推导了球状星团M4、M12、M22、NGC 3201、NGC 6362及NGC 6752视场内恒星的相对自行。