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HD 233821


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UBV photometry of stars whose positions are accurately known. II
The present report on the UBV observations of stars with favorableastrometric history gives attention to stars of the BD zones lyingbetween 50 and 54 deg. These observations and their reductions wereperformed from August 1983 to August 1984, as described by Oja (1984).Results are presented as tables for both the standard stars and theprogram stars. Comparisons are conducted between the present Vmagnitudes and those of the NPZT (1982) and AGK3R (1978) catalogs.

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观测天体数据

星座:大熊座
右阿森松:11h15m58.00s
赤纬:+50°38'27.1"
视星:9.195
右阿森松适当运动:-37.4
赤纬适当运动:20.4
B-T magnitude:9.696
V-T magnitude:9.237

目录:
适当名称
HD 1989HD 233821
TYCHO-2 2000TYC 3453-2292-1
USNO-A2.0USNO-A2 1350-07918859
HIPHIP 55034

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