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HD 23538


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UBV photometry of stars whose positions are accurately known.
Photometric indices V, B-V, and U-B were measured for about 560 stars ofthe AGK3R and NPZT catalogs between BD declinations 11 deg and 23 deg,using the 40-cm Cassegrain telescope of the Kvistaberg Observatory fromApril 1986 to May 1987. The observation procedure and the reductiontechnique were the same as in the earlier papers of this series by Oja(1984, 1985, 1986, and 1987). The mean errors were calculated from theinternal consistency of the data. The accuracy was found to be the sameas for the earlier parts of the survey.

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Observation and Astrometry data

Constellation:おうし座
Right ascension:03h46m26.25s
Declination:+13°30'32.8"
Apparent magnitude:6.892
Distance:163.666 parsecs
Proper motion RA:23.6
Proper motion Dec:-23.7
B-T magnitude:6.96
V-T magnitude:6.898

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 23538
TYCHO-2 2000TYC 664-624-1
USNO-A2.0USNO-A2 0975-00822625
HIPHIP 17617

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