Details on Acronym: AC2000 | |
| AC2000 | (Astrographic Catalogue, 2000) |
| Write: | <<AC2000 NNNNNNN>> |
| N: | 4621751 |
| Object: | * (SIMBAD class: Star) |
| Note: | 'The AC2000: the Astrographic Catalogue on the Hipparcos System'. The United States Naval Observatory has completed the reductions of the Astrographic Catalogue data AC to a consistent system. The resulting catalog, called AC 2000, contains 4621836 stars covering the entire sky, at an average epoch of 1907. The positions are on the Hipparcos reference frame (J2000.0) at the epochs of observation. The catalogue is revised (1998AJ....115.1212U) and contains 4621751 stars. |
| Ref: | =1998AJ....115.1212U |
| by | URBAN S.E. , CORBIN T.E., WYCOFF G.L., MARTIN J.C., JACKSON E.S., ZACHARIAS M.I., HALL D.M. |
| Astron. J., 115, 1212-1224 (1998) | |
| The AC 2000: the astrographic catalogue on the system defined by the Hipparcos catalogue. | |
| o | <AC2000 NNNNNNN> N=4621751. |
| =E= | Catalogue in electronic form as I/275 |
| Origin | of the Acronym: A = Assigned by the author(s) |