Visual multiples. VII. MK classifications
The Tycho-2 catalogue of the 2.5 million brightest stars
VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
Assessment of [Fe/H] determinations for FGK stars in spectroscopic surveys
VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)