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HD 168811


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UBV photometry of stars whose positions are accurately known. III
UBV photometric observations of 417 stars at BD declination 35-49 degfrom the NPZT(74) catalog of Yasuda et al. (1982) and the AGK3R catalogof Corben (1978), obtained with the 40-cm Cassegrain reflector atKvistaberg Observatory during 1984-1985, are reported. The data arepresented in tables, and the mean errors per observation are given as0.016 mag in V, 0.011 mag in B-V, 0.012 mag in U-B for U less than 10,and 0.026 mag in U-B for U greater than 10.

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观测天体数据

星座:天琴座
右阿森松:18h19m48.95s
赤纬:+39°35'41.5"
视星:8.423
距离:2173.913 天文距离
右阿森松适当运动:-9.6
赤纬适当运动:-34.9
B-T magnitude:10.43
V-T magnitude:8.589

目录:
适当名称   (Edit)
HD 1989HD 168811
TYCHO-2 2000TYC 3107-1447-1
USNO-A2.0USNO-A2 1275-09932576
HIPHIP 89818

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