Abstract

Three major reference star projects have been completed recently at the USNO: the Southern International Reference Stars (SIRS — 19, 827 stars) the southern part of the Faint Fundamentals (1, 169 stars) and the Astrographic Catalog Reference Stars (ACRS — 325,416 stars). The compilation of the mean positions and proper motions of each is discussed. Reports on the progress of the USNO’s Pole-to-Pole Fundamental Program and the Working Group on Star Lists are also presented.

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