进一步结合已知的星团距离和视向速度资料，计算了NGC 2244的三维空间运动速度，结果表明NGC 2244是一个典型的薄盘族星团。
Combined with the mean radial velocity and distance of the cluster, from the literature, the 3-d spatial velocity of NGC 2244 is also derived.
进一步结合已知的星团距离和视向速度资料，计算了NGC 2244的三维空间运动速度，结果表明NGC 2244是一个典型的薄盘族星团。
Combined with the mean radial velocity and distance of the cluster, from the literature, the 3-d spatial velocity of NGC 2244 is also derived.
应用推荐