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Hipparcos – Preparation of the Mission: Earth-Based Photometry

Published online by Cambridge University Press:  30 March 2016

M. Grenon*
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland

Abstract

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The contribution of earth-based photometry to the preparation of the Input Catalogue for the Hipparcos mission is summarised for the pre-launch, the mission itself and the post-launch phases. An evaluation of the needs for new data and a progress report are also presented.

Type
Joint Commission Meetings
Copyright
Copyright © Reidel 1986

References

Grenon, M., 1985a, ‘Standard Stars for the On-Orbit Photometric Payload Calibration’, ESA SP-234, 117.Google Scholar
Grenon, M., 1985b, ‘New Ground-Based Photometric Observations’, ESA SP-234, 113.Google Scholar