BVRI photometry in NGC 2419, Pal 4, and Pal 14
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The results from work done to extend the Johnson-Cousins BVRI photometric standard sequence to faint levels of V~21mag in compact fields is presented. Such calibration and...
本研究呈现了为将约翰逊-考辛斯（Johnson-Cousins）BVRI测光标准序列拓展至V波段约21星等暗弱极限而在致密天区开展的测光工作所得的结果。此类校准及……
