EVOLUTIONARY TRACKS of 1 to 40 Msun stellar models with new OP opacities

A. A. Pamyatnykh and T. Zdravkov, Nicolaus Copernicus Astronomical Center, Warsaw, Poland

The evolutionary tracks have been calculated for stellar models from 1 up to 40 solar masses in the MS and early post-MS evolutionary stages. The results were obtained for different chemical compositions reffered as GN93 (Grevesse & Noels 1993) for Z=0.020 and A04 (Asplund et al. 2005) for Z=0.020, 0.015, 0.010. Newest version of the OP opacities has been used (Seaton 2005). Abundance of hydrogen is the same in each of these calculations (X=0.70). All other details of computations are the same as in Pamyatnykh (1999).

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• X = 0.70, Z = 0.010 (a04)
• X = 0.70, Z = 0.015 (a04)
• X = 0.70, Z = 0.020 (a04)
• X = 0.70, Z = 0.020 (gn93)
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REFERENCES:

• Asplund M., Grevesse N., Sauval A.J., 2005, ASP Conf. Ser, 336, 25
• Grevesse N., Noels A., 1993, in Pratzo M., Vangioni-Flam E., Casse M., eds., Origin and Evolution of the Elements, Cambridge Univ. Press, p. 15
• Pamyatnykh A.A., 1999, Acta Astr., 49, 119
• Seaton M.J., 2005 MNRAS, 362, L1