First USNO CCD Astrograph Catalog| Alternative names | UCAC |
|---|
[edit on Wikidata] |
The USNO CCD Astrograph Catalog (UCAC) is an astrometric star catalog of the United States Naval Observatory.
| Edition
|
Description
|
| UCAC-1
|
The first preliminary edition, published in March 2000, gives the positions and proper motions of over 27 million stars in the southern hemisphere in the brightness range 8–16.
|
| UCAC-2
|
The second issue was the IAU published General Assembly in Sydney (2003) and includes positions and proper motions of about 50 million stars.
|
| UCAC-3
|
The third edition was published in the IAU General Assembly in Rio (August 2009).
|
| UCAC-4
|
The fourth edition was published in August 2012. Since Spring 2015, the successor URAT is available.
|
| UCAC-5
|
The fifth edition was published in February 2017.[1][2]
|
References
- ^ "UCAC5 - nowy katalog pozycji i ruchów własnych gwiazd" (in Polish). 2017-03-29.
- ^ UCAC5: New Proper Motions using Gaia DR1
External links
- UCAC home page
- UCAC4 in the vizier database
- UCAC5 in the vizier database
