Proper motion kinematics in Galactic bulge/bar fields

Details Proper motion kinematics in Galactic bulge/bar fields Proper motion kinematics in Galactic bulge/bar fields

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop.9816k&link_type=abstract

HST Proposal ID #9816

Physics

Hst Proposal Id #9816 Galaxies

Scientific paper

With this proposal we continue a succesful programme to measure proper motions in fields in the galactic bulge. We are able to reach accuracies of ca 10km/s in transverse motion at a distance of 8kpc, for thousands of stars per WFPC2 field. In combination with VLT spectroscopic radial velocities and metallicity indices, we will be able to construct a full dynamical and stellar-population model for our Bulge. Previous fields in this programme were on the minor axis; the fields proposed here {using first epoch observations from 1995-1998 from the archive} lie in the first quadrant, on the near side of the Galactic bar. We also wish to establish first-epoch observations in the 4th quadrant, where no suitable data exist so far.

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