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HD 45121


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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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观测天体数据

星座:雙子座
右阿森松:06h26m24.90s
赤纬:+20°03'19.0"
视星:9.157
右阿森松适当运动:-1
赤纬适当运动:-3.4
B-T magnitude:9.369
V-T magnitude:9.175

目录:
适当名称
HD 1989HD 45121
TYCHO-2 2000TYC 1336-403-1
USNO-A2.0USNO-A2 1050-03570119
HIPHIP 30647

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