HD 173977 uby photometry and HRV
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https://b2find.eudat.eu/dataset/23e9687f-c2e9-58b2-9d0e-f0da707473d7
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We present spectroscopic and photometric observations of the star HD 173977. It appears that the star is part of a double line binary system, with a period of 1.801d,...
