NGC 6811 and NGC 6830 uvby-{beta} photometry
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From uvby-{beta} photometry of the open clusters NGC 6811 (75 stars), and NGC 6830 (19 stars) we were able to determine membership of the stars to each cluster, and fix the age...
基于对疏散星团NGC 6811（共75颗恒星）与NGC 6830（共19颗恒星）开展的uvby-β测光（uvby-beta photometry）观测，我们得以确定各星团的恒星成员身份，并测定其年龄……
