Topics included

  • Review of modern astrometry and its science applications
  • Astrometry science highlights, including from Gaia DR2 and Gaia EDR3
  • Future ground and space-based astrometric surveys
  • Dense and accurate reference frames to optimize the science return from extremely large telescopes and large sky surveys
  • Astrometric techniques; opportunities for cross-fertilization
  • Synergies between astrometric, photometric, and spectroscopic surveys