Distribution of the Hα pseudo-equivalent width (pEW) obtained by ESP-ELS for 135 258 targets chosen in order to homogeneously cover the temperature domain as a function of the effective temperature derived by GSP-Phot and ESP-HS (T_eff > 7500 K only for the latter). Left panel: we report the value obtained before the removal of the model estimate. Middle panel: we show the result saved in ew_espels_halpha (the model value is removed for sources with T_eff ≤ 5000 K). Right panel: we show the result obtained when the model value (ew_espels_halpha_model) is also removed for stars hotter than 5000 K.