M31 UBVR photometry
收藏B2FIND2026-04-04 收录
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https://b2find.eudat.eu/dataset/e4ae311a-aaf7-5eec-be6c-404056afbbcb
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资源简介：
We report deep UBVR CCD photometry of stars in a portion of an arm of M 31, 20kpc southwest of the nucleus. The color-magnitude diagram shows a main sequence that reaches from...
