Chromospheric Activity, Rotation and Age On Lower Main Sequence Stars

Park Young-Deuk; Yun Hong-Sik

논문 상세보기

Chromospheric Activity, Rotation and Age On Lower Main Sequence Stars KCI 등재

Park Young-Deuk, Yun Hong-Sik

언어ENG
URLhttps://db.koreascholar.com/Article/Detail/390065

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천문학논총 (Publications of the Korean Astronomical Society)

Volume 1 (1984.12)
pp.13-20

한국천문학회 (Korean Astronomical Society)

초록

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.

저자

Park Young-Deuk(Department of Astronomy, Seoul National University)
Yun Hong-Sik(Department of Astronomy, Seoul National University)

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