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HD 21963


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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.

Photoelectric observations of lunar occultations. X
Photoelectric occulation results for 461 events observed during 15months are reported. They include 77 reappearances, 4 determinations ofangular diameter, 38 analyses of double or multiple stars including twopreviously unknown bright stars, and 8 previously known bright double ormultiple stars.

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观测天体数据

星座:金牛座
右阿森松:03h32m53.64s
赤纬:+15°32'59.3"
视星:8.632
距离:91.075 天文距离
右阿森松适当运动:27.9
赤纬适当运动:58.7
B-T magnitude:9.119
V-T magnitude:8.673

目录:
适当名称   (Edit)
HD 1989HD 21963
TYCHO-2 2000TYC 1234-545-1
USNO-A2.0USNO-A2 1050-00955157
HIPHIP 16532

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