Vilnius photometry of NGC 1647 area
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The area of the open cluster NGC 1647 in Taurus is investigated by CCD photometry in the Vilnius seven-color system. Magnitudes and color indices are determined for 433 stars...
本研究采用维尔纽斯七色测光系统(Vilnius seven-color system)的CCD测光方法,对位于金牛座的疏散星团NGC 1647的天区进行了观测分析。共测定了433颗恒星的星等与色指数……



