and the BSL catalog is the addition of proper motions, from a variety of sources, for over half of the stars in our catalog. In §2 we discuss the assemblage of the present catalog. Revisions of radial velocities and abundances, and in particular, distance estimates, are discussed in §3. In §4 we present the new proper motion information, and discuss the averaging we have carried out in order to minimize statistical errors. In §5 we discuss the observed characteristics of the stars in the revised catalog, and derive estimates of space motions and orbital parameters for the subset of stars with complete kinematical information . In the accompanying analysis paper (Chiba & Beers 2000; Paper III) we use this wealth of new information to consider many of the questions put forth above.

Additions and Subtractions from the Beers & Sommer-Larsen (1995) Catalog
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The BSL catalog of Paper I contained 1936 stars with available abundances, distances, and radial velocities. As it was our intent to use this catalog as the starting point in searches for stars with measured proper motions, the first requirement was to obtain updated positions for the stars of as high an accuracy as possible. A small 