The PM2000 Bordeaux proper motion catalogue (+11° ≤ δ ≤ +18°)

Details The PM2000 Bordeaux proper motion catalogue (+11° ≤ δ ≤ +18°) The PM2000 Bordeaux proper motion catalogue (+11° ≤ δ ≤ +18°)

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...448.1235d&link_type=abstract

Astronomy and Astrophysics, Volume 448, Issue 3, March IV 2006, pp.1235-1245

Astronomy and Astrophysics

Astrophysics

26

Astrometry, Catalogues, Galaxy: Kinematics And Dynamics, Reference Systems, Surveys

Scientific paper

We present a proper motion catalogue of 2 670 974 stars, covering the declination zone +11° ≤ δ ≤ +18 °. Proper motions were derived from the comparison of the positional M2000 catalogue (systematic observations of the Bordeaux Carte du Ciel Zone with the meridian circle, completed in 2000) with positions derived from the reduction of 512 Carte du Ciel plates of the Bordeaux zone (scanned at the APM Cambridge), the AC2000.2 catalogue, the USNO-A2.0 catalogue and the unpublished Yellow Sky (YS3) USNO catalogue. The catalogue has a limiting magnitude VM=16.2 (Bordeaux CCD meridian circle magnitude) and is complete down to VM=15.4. Depending on magnitude, the positional precision at mean epoch ranges from 50 to 70 mas and the precision of proper motions varies from 1.5 mas/yr to 6 mas/yr. Meridian VM magnitudes are provided for all objects together with additional photometry from the 2MASS catalogue when available (99.5% of objects). Positions and proper motions are on the ICRS (International Celestial Reference System). Systematic offsets in 2MASS positions and in UCAC2 proper motions were revealed from comparisons with PM2000.

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