Parallaxes of Brown Dwarfs at USNO
Parallaxes of Brown Dwarfs at USNO
Trigonometric parallaxes have been measured by Dahn et al. (2002) for 28 cool dwarfs and brown dwarfs, including 17 L dwarfs and three T dwarfs. Broadband CCD and near-IR photometry ( VRIz * JHK ) have been obtained for these objects and for 24 additional late-type dwarfs. These data have …