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Revista mexicana de astronomía y astrofísica

versión impresa ISSN 0185-1101


SAFFE, C. FUNDPAR: A program for Deriving Fundamental Parameters from Equivalent Widths. Rev. mex. astron. astrofis [online]. 2011, vol.47, n.1, pp. 03-14. ISSN 0185-1101.

We implemented a Fortran code that determines fundamental parameters of solar type stars from a list of Fe line equivalent widths. The solution should verify three conditions in the standard method: ionization equilibrium, excitation equilibrium and independence between metallicity and equivalent widths. Solarscaled Kurucz model atmospheres with NEWODF opacities are calculated with an independent program. Parameter files control different details, such as the mixinglength parameter and the overshooting. FUNDPAR derives the uncertainties following two methods: the criterion of Gonzalez & Vanture (1998) and the dispersion using the χ2 function. The code uses the 2009 version of the MOOG program. The results derived with FUNDPAR are in agreement with previous determinations in the literature. The program is freely available from the web1.

Palabras llave : stars [abundances]; stars [fundamental parameters].

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