The young, tight, and low-mass binary TWA22AB: a new calibrator for evolutionary models? Orbit, spectral types, and temperature - Bonnefoy, M; Chauvin, G; Dumas, C; Lagrange, A.-M; Beust, H; Desort, M; Teixeira, Ramachrisna; Ducourant, C; Beuzit, J.-L; Song, I (Astronomy & astrophysics, 2009)