由于所得的总引力质量低于过去的光学测量结果,我们推测群成员NGC 1400之所以具有极大的本动速度,很可能是因为它在星系群的引力势作用下尚未达到最终的平衡状态。
Since the obtained total mass is lower than those given in the earlier galaxy kinematic works, we speculate that NGC 1400 is not a virialized member in the group's gravitational potential well.
由于所得的总引力质量低于过去的光学测量结果,我们推测群成员NGC 1400之所以具有极大的本动速度,很可能是因为它在星系群的引力势作用下尚未达到最终的平衡状态。
Since the obtained total mass is lower than those given in the earlier galaxy kinematic works, we speculate that NGC 1400 is not a virialized member in the group's gravitational potential well.
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