Local Surface Density of the Galactic Disk from a 3-D Stellar Velocity Sample

V. I. Korchagin, T. M. Girard, T. V. Borkova +2

We have re-estimated the surface density of the Galactic disk in the solar neighborhood within $\pm$ 0.4 kpc of the Sun using parallaxes and proper motions of a kinematically and s…