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The second US Naval Observatory CCD Astrograph Catalog (UCAC2)
N. Zacharias, S. E. Urban, M. I. Zacharias +4
The second USNO CCD Astrograph Catalog, UCAC2 was released in July 2003. Positions and proper motions for 48,330,571 sources (mostly stars) are available on 3 CDs, supplemented wit…
Comparing Tycho-2 Astrometry with UCAC1
Norbert Zacharias, Marion I. Zacharias, Sean E. Urban +1
The Tycho-2 Catalogue, released in February 2000, is based on the ESA Hipparcos space mission data and various ground-based catalogs for proper motions. An external comparison of t…
The Full-sky Astrometric Mapping Explorer -- Astrometry for the New Millennium
Scott D. Horner, Marvin E. Germain, Thomas P. Greene +10
FAME is designed to perform an all-sky, astrometric survey with unprecedented accuracy. It will create a rigid astrometric catalog of 4x10^7 stars with 5 < m_V < 15. For bright sta…