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HD 139505


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Concluding observations of loose stellar clusterings in the southern Milky Way
UBV photometry and spectral classification have been performed on 280stars in the Carina-Crux-Centaurus-Norma region, suspected of belongingto poor open clusters or associations. The work is a concluding part ofa large project for detecting and listing of such objects in order toobtain an improved concept about the true frequency of clusterings inthe Milky Way. The result indicates that a majority of the suspectedobjects are members of various types of physical stellar clusterings,occasionally cluster remnants.

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观测天体数据

星座:矩尺座
右阿森松:15h40m46.79s
赤纬:-52°28'24.4"
视星:8.381
距离:10000000 天文距离
右阿森松适当运动:-4.8
赤纬适当运动:-3.2
B-T magnitude:9.783
V-T magnitude:8.497

目录:
适当名称   (Edit)
HD 1989HD 139505
TYCHO-2 2000TYC 8308-651-1
USNO-A2.0USNO-A2 0375-25312397
HIPHIP 76795

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