BV photometry of HD 37824, HD 181809, and HD 217188
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We have obtained spectroscopy and photometry of three chromospherically active, single-lined spectroscopic binaries: HD 37824 (V1149 Ori), HD 181809 (V4138 Sgr), and HD 217188...
我们获得了三颗色球活动单谱分光双星(single-lined spectroscopic binaries)的光谱学与光度测量数据:HD 37824(V1149 Ori,猎户座V1149)、HD 181809(V4138 Sgr,人马座V4138)以及HD 217188……



