Cunningham, Emily C., Deason, Alis J., Sanderson, Robyn E., Sohn, Sangmo Tony, Anderson, Jay, Guhathakurta, Puragra, Rockosi, Constance M., van der Marel, Roeland P., Loebman, Sarah R., Wetzel, Andrew, "HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars", Astrophysical Journal, 2019