USNO releases the URAT Parallax Catalog
U.S. Naval Observatory | 2016 May 19
In April 2016 the United States Naval Observatory (USNO) released a catalog of distances to over 112 thousand stars, the USNO Parallax Catalog (UPC), using ground-based observations performed with the USNO Robotic Astrometric Telescope (URAT). It is the largest such catalog since the release of the European Space Agency (ESA) Hipparcos mission Catalog in 1997. ...
Parallax Results from URAT Epoch Data - Charlie Finch, Norbert Zacharias
- arXiv.org > astro-ph > arXiv:1603.05674 > 17 Mar 2016