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Astron. Astrophys. 323, L61-L64 (1997)

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Letter to the Editor

The Hipparcos mission: photometric data *

F. van Leeuwen 1, D.W. Evans 1, M. Grenon 2, V. Großmann 3 and F. MignardM.A.C. Perryman 4, 5

1 Royal Greenwich Observatory, Madingley Road, Cambridge CB3 0EZ, UK
2 Observatoire de Geneve, CH-1290 Sauverny, Switzerland
3 Astronomisches Institut, Waldhäuser Strasse 64, D-72076 Tübingen, Germany
4 Observatoire de la Côte d'Azur, CERGA UMR CNRS 6527, Avenue Copernic, F06130 Grasse, France
5 Astrophysics Division, European Space Agency, ESTEC, Noordwijk 2200 AG, The Netherlands

Received 29 April 1997 / Accepted 1 May 1997


An overview of the Hipparcos and Tycho photometric data is presented, with reference to the main aspects of the data reductions and the overall quality and quantity of the results. The data have been presented in three forms: as mean values in the astrometric catalogues, as epoch photometry, and as interpreted results of the variability analysis, which is also briefly described.

Key words: Hipparcos - Photometry

* Based on observations made with the ESA Hipparcos satellite

Send offprint requests to: F. van Leeuwen

© European Southern Observatory (ESO) 1997

Online publication: June 5, 1998