Showing 2002Show all
2 papers · 1 filter
astro-ph2002
Galaxy structure and kinematics towards the NGP
A. Spagna, C. Cacciari, R. Drimmel +3
We present a proper motion survey over about 200 square degrees towards the NGP, based on the material used for the construction of the GSC-II, that we are using to study the verti…
astro-ph2002
The Vertical Structure of the Halo Rotation
T. D. Kinman, C. Cacciari, A. Bragaglia +2
New GSC-II proper motions of RR Lyrae and Blue Horizontal Branch (BHB) stars near the North Galactic Pole are used to show that the Galactic Halo 5 kpc above the Plane has a signif…