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HD 17921


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UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.

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观测天体数据

星座:英仙座
右阿森松:02h54m32.32s
赤纬:+48°08'42.3"
视星:7.747
距离:1315.789 天文距离
右阿森松适当运动:2.5
赤纬适当运动:-7.7
B-T magnitude:7.732
V-T magnitude:7.746

目录:
适当名称   (Edit)
HD 1989HD 17921
TYCHO-2 2000TYC 3301-240-1
USNO-A2.0USNO-A2 1350-02844355
HIPHIP 13550

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