From Fringes to the USNO Navy Prototype Optical Interferometer Astrometric Catalog

被引：5
作者：
Benson, J. A. [1 ]
Hutter, D. J. [1 ]
Zavala, R. T. [1 ]
Harris, H. C. [1 ]
Shankland, P. D. [1 ]
Johnston, K. J. [2 ]
机构：
[1] US Naval Observ, Flagstaff Stn, 10391 W Naval Observ Rd, Flagstaff, AZ 86001 USA
[2] US Naval Observ, Washington, DC 20392 USA
来源：
OPTICAL AND INFRARED INTERFEROMETRY II | 2010年 / 7734卷
关键词：
Optical interferometry; astrometry; NPOI; CELESTIAL REFERENCE FRAME;
D O I：
10.1117/12.858244
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report progress on the United States Naval Observatory, Navy Prototype Optical Interferometer, Astrometric Catalog (UNAC). This catalog uses observations from eight astrometric observation runs (Jan. 2005 - Nov. 2009) at the Navy Prototype Optical Interferometer (NPOI). The goal of the first release of the UNAC is to provide an astrometric catalog of at least 100 bright (V < 6) stars with precise positions accurate to < 16 milliarcseconds. In this paper we report on some of the data processing methods used to obtain absolute astrometric positions from optical interferometer data. We also discuss plans for assessing the accuracy of our interferometrically derived absolute astrometric positions.
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页数：9
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