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arXiv:astro-ph/0003103 (astro-ph)
[Submitted on 8 Mar 2000]

Title:Kinematics of Metal-Poor Stars in the Galaxy. II. Proper Motions for a Large Non-Kinematically Selected Sample

Authors:T.C. Beers, M. Chiba, Y. Yoshii, I. Platais, R.B. Hanson, B. Fuchs, S. Rossi
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Abstract: We present a revised catalog of 2106 Galactic stars, selected without kinematic bias, and with available radial velocities, distance estimates, and metal abundances in the range 0.0 <= [Fe/H] <= -4.0. This update of the Beers and Sommer-Larsen (1995) catalog includes newly-derived homogeneous photometric distance estimates, revised radial velocities for a number of stars with recently obtained high-resolution spectra, and refined metallicities for stars originally identified in the HK objective-prism survey (which account for nearly half of the catalog) based on a recent re-calibration. A subset of 1258 stars in this catalog have available proper motions, based on measurements obtained with the Hipparcos astrometry satellite, or taken from the updated Astrographic Catalogue (AC 2000; second epoch positions from either the Hubble Space Telescope Guide Star Catalog or the Tycho Catalogue), the Yale/San Juan Southern Proper Motion (SPM) Catalog 2.0, and the Lick Northern Proper Motion (NPM1) Catalog. Our present catalog includes 388 RR Lyrae variables (182 of which are newly added), 38 variables of other types, and 1680 non-variables, with distances in the range 0.1 to 40 kpc.
Comments: 31 pages, including 8 figures, to appear in AJ (June 2000), full paper with all figures embedded available at this http URL
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0003103
  (or arXiv:astro-ph/0003103v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0003103
Related DOI: https://doi.org/10.1086/301410

Submission history

From: Masashi Chiba [view email]
[v1] Wed, 8 Mar 2000 01:16:38 UTC (390 KB)
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