CCD UBV photometry of h and {chi} Per
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The h and chi Per "double cluster" is examined using wide-field (0.98x0.98{deg}) CCD UBV imaging supplemented by optical spectra of several hundred of the brightest stars. The...
本研究针对英仙座h与χ双星团开展分析，采用视场为0.98×0.98°的宽视场电荷耦合器件（CCD）UBV波段成像数据，并辅以数百颗最亮恒星的光学光谱观测。The...
