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| Paper: |
Ground-Based Survey Facilities: New Opportunities for Astrometry |
| Volume: |
338, Astrometry in the Age of the Next Generation of Large Telescopes |
| Page: |
63 |
| Authors: |
Wolff, S.C. |
| Abstract: |
Three types of facilities offer new opportunities for high accuracy astrometry. In the planning stages are extremely large telescopes (aperture > 20 meters) with adaptive optics, which will enable relative astrometry of faint sources with an accuracy of ~ 0.1 milliarcsec. Existing 4m class telescopes are already being used for large scale surveys with well understood errors and publicly available databases. Several dedicated survey telescopes are under construction, and the design of the most ambitious survey telescope—the Large Synoptic Survey Telescope—is advancing. Some of the outstanding questions that must be addressed in order to realize the full potential of the LSST and other survey facilities for astrometry are described briefly. |
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