Nearby Stars, Preliminary 3rd Version

The present version of the CNS3 contains all known stars within 25 parsecs of the Sun. It depends mainly on a preliminary version (Spring 1989) of the new General Catalogue of...当前版本的CNS3收录了距离太阳25秒差距（parsec）范围内的所有已知恒星。该数据集主要基于新版总星表（General Catalogue）1989年春季的预发布版本。