Chromospheric Activity, Rotation and Age on Lower Main Sequence Stars

Details Chromospheric Activity, Rotation and Age on Lower Main Sequence Stars Chromospheric Activity, Rotation and Age on Lower Main Sequence Stars

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pkas....1...13p&link_type=abstract

Publications of the Korean Astronomical Society, vol.1, no.1, p.13-20

Astronomy and Astrophysics

Astronomy

Scientific paper

New empirical relations between stellar CaII emission and rotation or age are derived by analyzing Wilson's CaII flux measurements(1968, 1978) of lower main sequence stars, and then we correlate them with their age and rotation rate. It is found that stellar chromospheric emission decays smoothly with age as a star slows down rotationally, establishing that both the emission level and rotation rate decrease with the square root of age.

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