Reduction of the Astrographic Catalogue, zone of S. Fernando

Vieira, K.; Abad, C.; Zambrano, A.

Venezuela, Spain

Abstract

The San Fernando Zone of the Astrographic Catalogue is reduced to the HIPPARCOS system in order to test a reduction model previously presented by Abad (1993). A new method for the determination of field distortion and magnitude or color dependent systematic errors on photographic plates is discussed.

1998 Astronomy and Astrophysics Supplement Series
Hipparcos 2