Comparison between the fundamental parameters obtained in this work and those calculated by other authors: effective temperature (left panel), surface gravity (middle panel), and metallicity (right panel). Different symbols represent comparisons with different references: Maldonado et al. (2013, magenta circles), Mortier et al. (2013, blue squares), da Silva et al. (2006; 2011, red crosses), Takeda et al. (2008, black triangles), Luck & Heiter (2007, green asterisks), and Valenti & Fischer (2005, black stars).