UBVRIHa photometry of NGC2264
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UBVRI H{alpha} CCD photometry has been obtained fro the young cluster NGC 2264. Using (R-H{alpha}) color, a measure of H{alpha} emission, we selected member stars in the...
本研究已针对年轻星团NGC 2264获取了UBVRI与Hα（H-alpha）波段的CCD测光数据。借助作为Hα发射强度衡量指标的(R-Hα)色指数，我们筛选出了该星团的成员星……
