WOCS. LXXII. A uvbyCaHb study of NGC 2506
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https://b2find.eudat.eu/dataset/3ca4b522-f468-5fce-b4e1-2b0144910327
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Precision uvbyCaH{beta} photometry of the metal-deficient, old open cluster NGC2506 is presented. The survey covers an area of 20'*20' and extends to V~18 for b-y and H{beta}...
