Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths

Maldonado, J.;Affer, L.;Micela, G.;Scandariato, G.;Damasso, M.;Stelzer, B.;Barbieri, M.;BEDIN, LUIGI;Biazzo, K.;Bignamini, A.;Borsa, F.;CLAUDI, RICCARDO;Covino, E.;DESIDERA, SILVANO;Esposito, M.;Gratton, R.;Hernandez, JIG;Lanza, AF;Maggio, A.;Molinari, E;Pagano, I.;Perger, M.;Pillitteri, I.;PIOTTO, GIAMPAOLO;Poretti, E.;Prisinzano, L;Rebolo, R.;Ribas, I.;Shkolnik, E.;Southworth, J.;Sozzetti, A.;Mascareno, AS

2015