Improved Dynamical Masses for Six Brown Dwarf Companions Using Hipparcos and Gaia EDR3

G. Mirek Brandt, Trent J. Dupuy, Yiting Li +8

We present comprehensive orbital analyses and dynamical masses for the substellar companions Gl~229~B, Gl~758~B, HD~13724~B, HD~19467~B, HD~33632~Ab, and HD~72946~B. Our dynamical…