The southern active-chromosphere star HD 6628

Details The southern active-chromosphere star HD 6628 The southern active-chromosphere star HD 6628

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mnras.315...69w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 315, Issue 1, pp. 69-76.

Astronomy and Astrophysics

Astronomy

Line: Formation, Line: Profiles, Stars: Activity, Binaries: Spectroscopic, Stars: Chromospheres, Stars: Individual: Hd 6628

Scientific paper

The star HD6628, heretofore classified as a G5 subgiant, is shown to be a chromospherically active single-lined spectroscopic binary with a period of 27.332+/-0.008d. From high-resolution spectra, the system is found to consist of a late F-type dwarf and an active G8-K1 bright subgiant, the latter having a rotation period of not more than 14.8+/-3.8d derived from the width of metal lines. Further stellar and orbital parameters are derived and presented.

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