Cool Stars 14 - Submitted Abstract # 204
This version created on 05 October 2006

M-Dwarf Stellar Models


Brian Chaboyer, Dartmouth College
Aaron Dotter, Dartmouth College

Observations of the radii and masses of M-dwarfs which are detached
eclipsing binary stars indicate that stellar evolution models predict
radii which are 10% smaller than observed.  This suggests that the
stellar evolution models of M-dwarfs predict effective temperatures
which are too hot.  Recent deep HST ACS observations of globular
clusters reveal that M-dwarf stellar evolution models are redder than
observed.  This suggests that the predicted M-dwarf effective
temperatures are too cool.  Possible solutions to these problems will
be discussed.

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