NGC 6819 3D members
收藏B2FIND2026-03-19 收录
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In order to obtain clean members of the open cluster NGC 6819, the proper motions and radial velocities of 1691 stars are used to construct a three-dimensional (3D) velocity...
为获取疏散星团NGC 6819的纯净成员星样本，本研究利用1691颗恒星的自行与视向速度数据，构建了三维（3D）速度……
