北极星的依巴谷视差
The Hipparcos parallax for Polaris
摘要：
这封信遵循最近的一个说法，即北极星的依巴谷视差可能太小了2.5 mas。它详细研究了依巴谷时期的北极星天体测量数据，以及提出来支持更大视差的其他观测的可行性。依巴谷对北极星视差的确定被证明是足够强大的，可以完全排除一个明显更大的视差，并且没有其他观测的支持，比如假设存在一个星团。
英文摘要：
This letter follows a recent claim that the Hipparcos parallax for Polaris could be too small by 2.5 mas. It examines in detail the Hipparcos epoch astrometric data for Polaris, as well as the viability of other observations that were put forward to support a larger parallax. The Hipparcos determination of the Polaris parallax is shown to be sufficiently robust to fully exclude a significantly larger parallax, and there is no observational support from other observations, such as a supposed presence of a cluster, either.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
