期刊
ASTRONOMICAL JOURNAL
卷 148, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/148/6/132
关键词
astrometry; catalogs; proper motions; surveys
资金
- NSF [AST-1312678, AST-0206084, AST-0602288]
- NASA [NNX14AF65]
- National Science Foundation [AST 06-07480]
- Alfred P. Sloan Foundation
- National Science Foundation
- U.S. Department of Energy
- National Aeronautics and Space Administration
- Japanese Monbukagakusho
- Max Planck Society
- Higher Education Funding Council for England
- American Museum of Natural History
- Astrophysical Institute Potsdam
- University of Basel
- University of Cambridge
- Case Western Reserve University
- University of Chicago
- Drexel University
- Fermilab
- Institute for Advanced Study
- Japan Participation Group
- Johns Hopkins University
- Joint Institute for Nuclear Astrophysics
- Kavli Institute for Particle Astrophysics and Cosmology
- Korean Scientist Group
- Chinese Academy of Sciences (LAMOST)
- Los Alamos National Laboratory
- Max-Planck-Institute for Astronomy (MPIA)
- Max-Planck-Institute for Astrophysics (MPA)
- New Mexico State University
- Ohio State University
- University of Pittsburgh
- University of Portsmouth
- Princeton University
- United States Naval Observatory
- University of Washington
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1312678] Funding Source: National Science Foundation
A new proper motion catalog is presented, combining the Sloan Digital Sky Survey (SDSS) with second epoch observations in the r band within a portion of the SDSS imaging footprint. The new observations were obtained with the 90prime camera on the Steward Observatory Bok 90 inch telescope, and the Array Camera on the U.S. Naval Observatory, Flagstaff Station, 1.3 m telescope. The catalog covers 1098 square degrees to r = 22.0, an additional 1521 square degrees to r - 20.9, plus a further 488 square degrees of lesser quality data. Statistical errors in the proper motions range from 5 mas year(-1) at the bright end to 15 mas year(-1) at the faint end, for a typical epoch difference of six years. Systematic errors are estimated to be roughly 1 mas year(-1) for the Array Camera data, and as much as 2-4 mas year(-1) for the 90prime data (though typically less). The catalog also includes a second epoch of r band photometry.
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