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Astron. Astrophys. 333, 673-677 (1998)

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Research Note

On the systematic accuracy of the equatorial UBV standards *

T. Oja 1 and D.W. Evans 2

1 Astronomical Observatory, Box 515, S-751 20 Uppsala, Sweden
2 Royal Greenwich Observatory, Madingley Road, Cambridge CB3 0EZ, UK

Received 22 September 1997 / Accepted 20 January 1998


Using photometric data from the TYCHO experiment of the HIPPARCOS mission the discrepancies in [FORMULA] between the different series of measurement of the equatorial UBV standards have been studied. Corrections to the data by Landolt (1983) and Menzies et al. (1991) have been derived.

Key words: techniques: photometric – stars: fundamental parameters

* based on observations made with the ESA Hipparcos satellite.

Correspondence to: T. Oja

© European Southern Observatory (ESO) 1998

Online publication: April 20, 1998