NOMAD Catalog
收藏B2FIND2026-03-19 收录
下载链接：
https://b2find.eudat.eu/dataset/94137021-2a11-5cbc-b8a9-c518e5bc230d
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资源简介：
The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos (I/239), Tycho-2 (I/259),...
