Precision modeling of M dwarf stars: the magnetic components of CM Draconis

Details Precision modeling of M dwarf stars: the magnetic components of CM Draconis Precision modeling of M dwarf stars: the magnetic components of CM Draconis

2011-06-07

arxiv.org/abs/1106.1452v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

submitted to the Astrophysical Journal

Scientific paper

The eclipsing binary CM Dra contains nearly identical red dwarfs of spectral class dM4.5. Their masses and radii have been reported with unprecedentedly small statistical errors. When compared with standard stellar models of appropriate age (\approx4 Gyr), the empirical results indicate that both components are larger in R, and lower in luminosity L, by several standard deviations. Here, we attempt at first to model the components in the context of standard stellar models using differ

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