The Hipparcos Catalogue

Journal article (1997)

Authors

M. A.C. Perryman European Space Agency (ESA)
L. Lindegren Lund University
J. Kovalevsky Laboratoire Lagrange
E. Høg Copenhagen University Observatory
U. Bastian Astronomisches Rechen-Institut Heidelberg
P. L. Bernacca INAF-Osservatorio Astrofisico di Arcetri
F. Donati Centro di Studi sui Sistemi
M. Grenon Université de Genève
H. van der Marel Mathematical Geodesy and Positioning - CEG
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Research Group
Mathematical Geodesy and Positioning (CEG) (TU Delft)
Astrometry Parallaxes Catalogues Hipparcos Proper motions
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Published Date

1997

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Remote Sensing

Research Group

Mathematical Geodesy and Positioning

Abstract

The principal observational characteristics of the Hipparcos Catalogue, and a summary of its main astrometric and photometric properties, are presented. Median astrometric standard errors (in position, parallax, and annual proper motion) are in the range 0.7-0.9 milliarcsec (mas) for stars brighter than 9 mag at the catalogue epoch (J1991.25). The catalogue is a materialisation of the ICRS reference system, coinciding with its principal axes at the level of ±0.6 mas, and with 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 ∼ 3 stars deg-2. The catalogue is available in printed and machine-readable forms.