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M31 globular cluster B379 is the first extragalactic cluster, the age ofwhich was determined by main-sequence photometry. In this method, the age of acluster is obtained by fitting its CMD with stellar evolutionary models.However, different stellar evolutionary models use different parameters ofstellar evolution, such as range of stellar masses, different opacities andequations of state, and different recipes, and so on. So, it is interesting tocheck whether different stellar evolutionary models can give consistent resultsfor the same cluster. Brown et al. (2004a) constrained the age of B379 bycomparing its CMD with isochrones of the 2006 VandenBerg models. Using SSPmodels of BC03 and its multi-photometry, Ma et al. (2007) independentlydetermined the age of B379, which is in good agreement with the determinationof Brown et al. (2004a). The BC03 models are calculated based on the Padovaevolutionary tracks. It is necessary to check whether the age of B379 which,being determined based on the Padova evolutionary tracks, is in agreement withthe determination of Brown et al. (2004a). So, in this paper, we re-determineits age using isochrones of the Padova stellar evolutionary models. Inaddition, the metal abundance, the distance modulus, and the reddening valuefor B379 are also determined in this paper. The results obtained in this paperare consistent with the previous determinations, which including the ageobtained by Brown et al. (2004a). So, this paper confirms the consistence ofthe age scale of B379 between the Padova isochrones and the 2006 VandenBergisochrones, i.e. the results' comparison between Brown et al. (2004a) and Ma etal. (2007) is meaningful. The results obtained in this paper are: themetallicity [M/H]=-0.325, the age $\tau=11.0\pm1.5$ Gyr, the reddening valueE(B-V)=0.08, and the distance modulus $(m-M)_{0}=24.44\pm0.10$.

Determination of fundamental properties of an M31 globular cluster from main-sequence photometry