Top: mass histogram for DA stars in the GB11 sample with Teff < 40 000 K (black empty histogram) from ⟨3D⟩ spectra. We also show the sub-distributions for 13 000 < Teff (K) < 40 000 (blue histogram, dashed diagonally, radiative atmospheres) and Teff < 13 000 K (red histogram, dashed horizontally, convective atmospheres). The number of stars is given on the left-hand scale. The mean masses and standard deviations are indicated in the panels in units of solar masses. Binaries and magnetic objects were removed from the distributions. Bottom: same as above but with 1D spectra.
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