and T dwarfs Parallax Investigation Results The Solar Neighborhood XIV. Parallaxes from the Cerro Tololo Inter-American Observatory Parallax Investigation--First
NEIGHBORHOOD. XXI. PARALLAX RESULTS FROM THE CTIOPI 0.9 m PROGRAM: 20 NEW MEMBERS OF THE 25 PARSEC WHITE DWARF SAMPLE. The Astronomical Journal. 2009, 137: 4547–4560
From apparent magnitude and parallax. Table 2, Catalog of Nearby Exoplanets, R. P. Butler et al., The Astrophysical Journal 646, #1 (July 2006), pp. 505–522