The HIPPARCOS Catalogue Contents

Details The HIPPARCOS Catalogue Contents The HIPPARCOS Catalogue Contents

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402....1p&link_type=abstract

Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 1-4

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Scientific paper

The principal observational characteristics of the Hipparcos Catalogue, and a summary of its main astrometric and photometric properties, are presented. The catalogue is a materialisation of the ICRS reference system, coinciding with its principal axes at the level of +/-0.6 mas, and with individual proper motions consistent with an inertial system at the level of +/-0.25 mas/yr. The 118218 constituent stars provide a mean sky density of approx. 3 stars deg^(-2). Stars whose space motions were well described by the standard model of five astrometric parameters have these values, their standard errors, correlation coefficients, and other solution details, provided. More `complex' systems are characterised in one of five parts of the Double and Multiple Systems Annex. The catalogue includes a variety of accurate and homogeneous photometric information for each star, including the Johnson V magnitude, B-V and V-I colour indices, and accurate multi-epoch broad-band photometric data suitable for variability studies. Flags indicate connection to annexes, notes, and references. The catalogue is available in printed and machine-readable forms.

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