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vby C a Hβ CCD Photometry of Clusters. VI. The Metal-deficient Open Cluster NGC 2420
Anthony-Twarog, Barbara J., Tanner, Delora, Cracraft, Misty, Twarog, Bruce A.Volume:
131
Language:
english
Journal:
The Astronomical Journal
DOI:
10.1086/498304
Date:
January, 2006
File:
PDF, 287 KB
english, 2006