Distribution of the differences between the values of stellar mass estimated using the two codes Hyperzmass and MAGPHYS. Only results for the W1 field are shown (see text). To limit the effects of parameter degeneracy, we restrict the comparison to galaxies that turn out to have solar metallicity, according to their best-fit templates both in Hyperzmass and MAGPHYS. In this way the difference between ℳMAGPHYS and ℳHyperzmass cannot be due to a different metal content assumed in the two SED fitting estimates. The dashed line gives the best-fitting Gaussian of the distribution, corresponding to the mean and standard deviation indicated. Also indicated are the size of the galaxy subsample (Ntot) and the number of stellar mass estimates for which the discrepancy is log (ℳMAGPHYS/ℳHyperzmass) > 2σ (Nexceed).
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