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Hipparcos – Tycho: Photometry & Astrometry for more than 500 000 Stars

Published online by Cambridge University Press:  30 March 2016

M. Grewing  and
E. Høg
M. Grewing
Affiliation:
Astronomisches Institut, Waldhauserstrasse 64, D-7400 Tübingen, F.R.G.
E. Høg
Affiliation:
Copenhagen University Observatory, Ostervoldgade 3, DK-1350 Copenhagen K, Denmark

Abstract

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The Hipparcos star mapper will be used to determine magnitudes in two colours and the positions for about 500 000 stars. The typical accuracy for the mean values is about 0.03 mag and 0.03 arcsec respectively for a star of B = 11.0 mag and B-V = 0.7 mag. The photometric system and part of the data analysis are outlined.

Type
Joint Commission Meetings
Information
Highlights of Astronomy , Volume 7: Highlights of Astronomy. As presented at the XIXth General Assembly of the IAU, 1985 , 1986 , pp. 707 - 712
Copyright
Copyright © Reidel 1986

References

Høg, E., Jaschek, C. & Lindegren, L., 1982. In ‘The Scientific Aspects of the Hipparcos Space Astrometry Mission’, ESA SP-177, 21.Google Scholar
Høg, E., 1986. ‘Tycho Astrometry and Photometry’, IAU Symp. No. 109 (Eichhorn, H., ed.).Google Scholar
Høg, E., 1985a. In ‘The Scientific Aspects of the Hipparcos Space Astrometry Mission’, ESA SP-234, 25.Google Scholar
Høg, E., 1985b. Internal TDAC Reports TD036 & TD037.Google Scholar
Russell, J., 1986. This Volume.Google Scholar
Yoshizawa, M., Andreasen, G.K. & Høg, E., 1985. Astron. Astrophys., 147, 227.Google Scholar