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A 2MASS ALL-SKY VIEW OF THE SAGITTARIUS DWARF GALAXY. VII. KINEMATICS OF THE MAIN BODY OF THE SAGITTARIUS dSph
We have assembled a large-area spectroscopic survey of giant stars in the Sagittarius (Sgr) dwarf galaxy core. Using medium resolution (R ∼ 15,000), multifiber spectroscopy we have measured velocities of these stars, which extend up to 12° from the galaxy's center (3.7 core radii or 0.4 times the King limiting …