The PPMXL Catalog
收藏B2FIND2026-03-19 收录
下载链接：
https://b2find.eudat.eu/dataset/26591923-2ab0-58df-b6e0-4903711d4a80
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资源简介：
PPMXL is a catalog of positions, proper motions, 2MASS- and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the...
