第谷·布拉赫星表的三个版本
Three editions of the Star Catalogue of Tycho Brahe
摘要：
第谷·布拉赫在1598年完成了他的星表，其中包括1004颗恒星的位置和星等。这份目录以手稿的形式流传。布拉赫编辑了一个包含777颗恒星的较短版本，于1602年印刷，开普勒编辑了1004颗恒星的完整目录，于1627年印刷。我们提供了这三个版本的星表的机器可读版本，描述了它们之间的差异，并在与依巴谷星表的现代数据进行比较的基础上简要讨论了它们的准确性。我们还将我们的结果与Dreyer（1916）和Rawlins（1993）的早期分析进行了比较，发现总体上一致。布拉赫给出的星等与现代值相关性很好，他的经度和纬度的误差分布宽度约为2弧分，有过多的恒星具有较大的误差（与高斯分布相比），特别是对于最暗的恒星。大于10弧分的位置误差约占输入数据的15%，可能是由于计算或复制误差造成的。
英文摘要：
Tycho Brahe completed his catalogue with the positions and magnitudes of 1004 fixed stars in 1598. This catalogue circulated in manuscript form. Brahe edited a shorter version with 777 stars, printed in 1602, and Kepler edited the full catalogue of 1004 stars, printed in 1627. We provide machine-readable versions of the three versions of the catalogue, describe the differences between them and briefly discuss their accuracy on the basis of comparison with modern data from the Hipparcos Catalogue. We also compare our results with earlier analyses by Dreyer (1916) and Rawlins (1993), finding good overall agreement. The magnitudes given by Brahe correlate well with modern values, his longitudes and latitudes have error distributions with widths of about 2 arcmin, with excess numbers of stars with larger errors (as compared to Gaussian distributions), in particular for the faintest stars. Errors in positions larger than 10 arcmin, which comprise about 15 per cent of the entries, are likely due to computing or copying errors.
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