Fig. 4.
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Difference between the trigonometric and the spectroscopic surface gravities as a function of effective temperature for dwarf stars (log g > 4.0 dex) in SWEET-Cat. The black lines show the linear fit represented in Eq. (4), while the gray and blue dashed lines are fits presented in Fig. 5 of Tsantaki et al. (2013) and Fig. 2 of Delgado Mena et al. (2017), respectively.
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