United States Naval Observatory Catalogs
Mission Characteristics
| Lifetime: | USNO-B1: Digitizations of photographic plates covering the years 1949-2002 UCAC: 1998-2004 URAT: 2012-2014 |
| Wavelength: |
USNO-B1: Optical B, R, and I bands (0.4-0.9 microns) UCAC: 579-642nm URAT: 670-750nm |
| Area Coverage: | All-Sky |
| Science Products Generated: | All-sky catalogs of photometry, positions, and derived proper motions |
| References: |
USNO-B1: Monet et al. (2003) UCAC4: Zacharias et al. (2013) UCAC5: Zacharias, Finch, & Frouard (2017) URAT1: Zacharias et al. (2015) |
IRSA Services
| USNO Catalog Search | Use IRSA's General Catalog Search to search the catalogs |
|---|---|
| USNO-B1 Catalog | Documentation for the USNO-B1 Catalog |
| UCAC4 Catalog | Documentation for the UCAC4 Catalog |
| UCAC5 Catalog | Documentation for the UCAC5 Catalog |
| URAT1 Catalog | Documentation for the URAT1 Catalog |
Other Resources:
| UNSO Optical/IR Products | Project Website |
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