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astro-ph.IM2010★ 353 cited
The Third US Naval Observatory CCD Astrograph Catalog (UCAC3)
N. Zacharias, C. Finch, T. Girard +27
The third US Naval Observatory (USNO) CCD Astrograph Catalog, UCAC3 was released at the IAU General Assembly on 2009 August 10. It is the first all-sky release in this series and c…
astro-ph.IM2010★ 18 cited
UCAC3: Astrometric Reductions
Charlie T. Finch, Norbert Zacharias, Gary L. Wycoff
Presented here are the details of the astrometric reductions from the x,y data to mean Right Ascension (RA), Declination (Dec) coordinates of the third U.S. Naval Observatory (USNO…