MARTINS SOUTO, DIOGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2017-03-02)
In this Thesis, we present the first results of a detailed chemical study of M-dwarf stars. We demonstrate that it is possible to obtain elemental abundances of up to thirteen elements (C, O, Na, Mg, Al, Si, K, Ca, Ti, V, ...