Hipparcos astrometry for 257 stars
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We present improved Hipparcos astrometry for 257 Hipparcos stars, resolved into 342 components. For 64 of the stars no astrometry was obtained in the Hipparcos Catalogue, while...
本研究提供了257颗依巴谷(Hipparcos)恒星的改进天体测量数据,这些恒星被解析为342个子成分。其中64颗恒星在依巴谷星表(Hipparcos Catalogue)中未包含天体测量数据,而……



