Speedy MIC - A very young, rapidly rotating K star

Details Speedy MIC - A very young, rapidly rotating K star Speedy MIC - A very young, rapidly rotating K star

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.265..941a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 265, p. 941

Astronomy and Astrophysics

Astronomy

18

K Stars, Stellar Rotation, Stellar Spectra, Stellar Evolution, Stellar Composition, Sky Surveys (Astronomy), Astronomical Photometry, Line Spectra

Scientific paper

The active K-type object HD 197890 detected in the ROSAT all-sky survey appears to be one of the most rapidly rotating stars of its type yet found, with a v sin i value of 170 +/- 20 km/s. Preliminary photometric measurements and spectral synthesis of the Li 6707-A spectral region suggest a premain-sequence evolutionary status, although the derived spectral type of approximately K5 is uncertain at this stage, and further observations are planned.

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