Star Catalogs
Information on Y2K compliance of USNO Products is available
here.
Star catalogs provided here fall into several categories, as follows:
- those produced from observations made at the U.S. Naval Observatory
- Archives
- catalogs of the 6-inch transit circle
- W1J00 [W650]
- the results of the program of
observations made with the 6-inch transit circle from
- W2J00 and B1J00
-
the results of the program
(the International Reference Stars)
of observations made with the 6-inch transit circle from 1985-1995
in Washington, DC
and the results of the program of
observations made with the 7-inch transit circle from 1986-1996 at
Black Birch, New Zealand.
- Twin Astrograph Catalog (TAC)
- a new catalog of over 700,000 positions to Mb=11.5
- USNO CCD Astrograph Catalog (UCAC)
- observations and reductions currently underway using the 8" astrograph
at Cerro Tololo, Chile
- those produced from either re-measurement or re-analysis of
data taken elsewhere
- Washington Double Star Catalog
- the compilation of observations of multiple star observations made
worldwide, including at USNO
- CPC2
- The second release of the CPC2 data (Second Cape Photographic
Catalogue). This release 2 is based on a complete new plate-by-plate
reduction using the Hipparcos Catalogue.
- Astrographic Catalogue (AC 2000)
- the re-analysis of the published measurements of the AC zones
- The ACT Reference Catalog
- the combination of the AC 2000 and Tycho Catalogues for improved
proper motions of 988,758 stars
- those produced elsewhere, but provided here for convenience
-
- The following catalogs are available: FK5, PPM, IRS, Yale Parallax
- see the page of recommended star catalogs.
Back to Astrometry Department Home Page
Send comments on this page and those below it to gsh@usno.navy.mil -
This page was last updated on 30 Nomveber 2000
Back to USNO Home Page