A Deep Wide-Area Proper Motion Survey
Abstract
A deep, wide-area proper motion survey is currently underway with the prime focus imaging camera on the Steward Observatory Bok Telescope and the CCD mosaic camera on the United States Naval Observatory Flagstaff Station 1.3m Telescope. The sky footprint of the Sloan Digital Sky Survey (SDSS) is being reimaged in r to a depth of r = 21. These new observations are then matched to the SDSS catalog, yielding proper motions with errors at the faint limit of the survey of roughly 20-30 mas/yr (for a typical epoch difference of 5 years). To date, 2800 square degrees of sky have been imaged. The primary goal of the survey is to generate greatly increased samples of cool disk white dwarfs, as well as thick disk and halo white dwarfs, with which to better constrain the star formation history of the disk, thick disk, and halo.
- Publication:
-
American Astronomical Society Meeting Abstracts #215
- Pub Date:
- January 2010
- Bibcode:
- 2010AAS...21545202M