VI photometry of NGC 6397
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We used VLT-FORS1 data to obtain photometry for stars located within 10 arcmin from the center of the cluster NGC 6397. The data taken in service mode in 1999 (field2, RA=17 41...
本研究采用VLT-FORS1低色散光谱仪(Very Large Telescope-Focal Reducer and Low Dispersion Spectrograph 1)的观测数据,对NGC 6397星团中心10角分范围内的恒星开展测光测量。该批数据采集于1999年的服务观测模式(场2,RA=17 41...)



