AAS 207th Meeting, 8-12 January 2006
Session 69 Stellar Evolution
Poster, Tuesday, 9:20am-6:30pm, January 10, 2006, Exhibit Hall

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[69.11] Ages for illustrative groups of field stars via gyrochronology

S. A. Barnes (Lowell Observatory)

Gyrochronology is the technique of deriving ages for solar- and late-type main sequence stars using their rotation periods and colors. This technique is clarified and developed here, and used to derive ages for illustrative groups of nearby, late-type, and some individual field stars with known rotation periods. (NSF is gratefully acknowledged for support of this work).

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Bulletin of the American Astronomical Society, 37 #4
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