SIMBAD references

This is the second in a series of papers that attempt to unveil the kinematic structure of the Galactic bulge through studying radial velocities and proper motions. We report here ∼15000 new proper motions for three low foreground-extinction off-axis fields of the Galactic bulge. Proper motions were derived from a combination of Hubble Space Telescope Wide Field Planetary Camera 2 (WFPC2) and Advanced Camera for Surveys (ACS) images taken 8 and 9 years apart, and they reach accuracies better than 0.9mas/yr for more than ∼10000 objects with magnitudes F814W≤24. The proper motion distributions in these fields are similar to those of Galactic minor axis bulge fields. We observe the rotation of main sequence stars below the turn-off within the Galactic bulge, as in the minor axis fields. Our stellar proper motions measurements show a significant bulge rotation for fields as far from the Galactic plane as b≃-8°.