Improving metallicity estimates for very metal-poor stars in the Gaia DR3 GSP-Spec catalog

Open Access

Fig. 6

The 〈Δ log EW〉 for stars with KMgiantPar > 0. The top panel shows the distribution of stars that show good agreement between recovered and directly measured equivalent widths (red) and those that show poor agreement (blue). Here, we define two regions E1 and E2 in [Fe/H]_gspspec – log $χ_{gspspe}^{2}$ $\chi _{{\rm{gspspe}}}^2$ space.

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