PPMXL Catalog Cone Search
收藏B2FIND2026-03-19 收录
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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...
PPMXL是一份涵盖9亿颗恒星与星系的位置、自行、2MASS测光与光学测光数据的星表，旨在实现V波段星等至20等的全天完备性。它是……
