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HD 20054


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Micrometer observations of double stars and new pairs. XIII
From a program of double star observations which emphasizes orbital,neglected, and newly discovered pairs, results obtained from October1984 to January 1987 are presented. A total of 3030 visual and 550photographic measures are listed. The positions in WDS format andDurchmusterung numbers are shown for 117 pairs for which firstobservations appear in this paper. Magnitudes are estimated for some ofthe objects.

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观测天体数据

星座:英仙座
右阿森松:03h15m37.42s
赤纬:+52°44'59.2"
视星:8.634
距离:173.611 天文距离
右阿森松适当运动:11.7
赤纬适当运动:-15.8
B-T magnitude:8.955
V-T magnitude:8.661

目录:
适当名称   (Edit)
HD 1989HD 20054
TYCHO-2 2000TYC 3702-319-1
USNO-A2.0USNO-A2 1425-04237157
HIPHIP 15179

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