THE FIRST US NAVAL OBSERVATORY ROBOTIC ASTROMETRIC TELESCOPE CATALOG

被引:111
作者
Zacharias, N. [1 ]
Finch, C. [1 ]
Subasavage, J. [2 ]
Bredthauer, G. [3 ]
Crockett, C. [2 ]
Divittorio, M. [2 ]
Ferguson, E. [1 ]
Harris, F. [2 ]
Harris, H. [2 ]
Henden, A. [4 ]
Kilian, C. [1 ]
Munn, J. [2 ]
Rafferty, T.
Rhodes, A. [2 ]
Schultheiss, M. [2 ]
Tilleman, T. [2 ]
Wieder, G. [1 ]
机构
[1] US Naval Observ, Washington, DC 20392 USA
[2] US Naval Observ, Flagstaff Stn, Flagstaff, AZ 86001 USA
[3] Semicond Technol Associates, San Juan, CA 92675 USA
[4] AAVSO, Cambridge, MA 02138 USA
基金
美国国家科学基金会;
关键词
astrometry; catalogs; proper motions; SKY SURVEY; STARS;
D O I
10.1088/0004-6256/150/4/101
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
URAT1 is an observational, astrometric catalog covering most of the delta >= -15 degrees area and a magnitude range of about R = 3-18.5. Accurate positions (typically 10-30 mas standard error) are given for over 228 million objects at a mean epoch around 2013.5. For the over 188 million objects matched with the Two Micron All Sky Survey (2MASS) point-source catalog proper motions (typically 5-7 mas yr(-1) standard. errors) are provided. These data are supplemented by 2MASS and AAVSO Photometric All-Sky Survey (APASS) photometry. Observations, reductions, and catalog construction are described, together with results from external data verifications. The catalog data are served by CDS, Starsbourg (I/329).
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页数:13
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