机译:Velocity shear of the thick disk from SPM3 proper motions at the south Galactic pole
Yale Univ, Dept Astron, New Haven, CT 06520 USA;
Univ San Juan, RA-5413 San Juan, Argentina;
USN Observ, Flagstaff Stn, Flagstaff, AZ 86002 USAIsaac Newton Inst Chile, Rostov Na Donu 344090, RussiaRostov Univ, Inst Phys, Rostov Na Donu 344090, RussiaRomanian Acad, Inst Astron, RO-75212 Bucharest, Romania;
astrometry; Galaxy : kinematics and dynamics; DARK-MATTER UNIVERSE; FIELD STAR SURVEY; METAL-POOR STARS; STELLAR POPULATIONS; MILKY-WAY; VERTICAL-DISTRIBUTION; GALAXY EVOLUTION; FAINT STARS; KINEMATICS; DENSITY;