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Further details for Dartmouth Models

A complete description of the input physics is described in Dotter et al. (2007) and Dotter et al. (2008).

Summary of the main inputs.

Equation of state:
OPAL EOS for M >=0.8 Msun (Chaboyer & Kim 1995)
FreeEOS equation in EOS4 configuration for M < 0.8 Msun (http://freeeos.sourceforge.net by A. Irwin)

Radiative opacities:
OPAL for log T[K] > 4.5 (Iglesias & Rogers 1996)
Ferguson et al. (2005) for log T[K] < 4.3
Interpolation between log T[K]=4.3 and 4.5

Atmospheric models:
Hauschildt et al. (1999a,b) for 2000 K <= Teff <= 10000 K
Castelli & Kurucz (2004) for Teff > 10000 K

Mixing length parameter:
Solar-calibrated value alpha=1.938

Core overshooting:
Lambda_over=0.05 for M=1.2 Msun
Lambda_over linearly scaled from 0.05 to 0.2 between M=1.2 and 1.4 Msun
Lambda_over=0.2 for M > 1.4 Msun

References:
Castelli, F. & Kurucz, R. L. 2004, in IAU Symposium, Vol. 210, Modelling of Stellar Atmospheres, ed. N. Piskunov, W. W. Weiss, & D. F. Gray, p.20
Chaboyer, B. & Kim, Y.-C. 1995, ApJ, 454, 767
Dotter, A., Chaboyer, B., Jevremovic, D., Baron, E., Ferguson, J. W., Sarajedini, A., & Anderson, J. 2007, AJ, 134, 376
Dotter, A., Chaboyer, B., Jevremovic, D., Kostov, V., Baron, E., & Ferguson, J. W. 2008, ApJS, 178, 89
Ferguson, J. W., Alexander, D. R., Allard, F., Barman, T., Bodnarik, J. G., Hauschildt, P. H., Heffner-Wong, A., & Tamanai, A. 2005, ApJ, 623, 585
Hauschildt, P. H., Allard, F., & Baron, E. 1999a, ApJ, 512, 377
Hauschildt, P. H., Allard, F., Ferguson, J. W., Baron, E., & Alexander, D. R. 1999b, ApJ, 525, 871
Iglesias, C. A. & Rogers, F. J. 1996, ApJ, 464, 943

 


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