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HD 77187


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Visual measurements of southern double stars
A double-star observing program is described which has been started atCordoba with a 30 cm refractor. Usually neglected Index Catalog ofVisual Double Stars (IDS) pairs south of -60 deg are selected forobservation, most of them having been measured only one or two timespreviously. A total of 174 micrometric observations of 78 wide pairs arepresented together with a few measurements of 9 double stars not foundin the IDS. Also reported is a list of 135 additional measurements of 26test stars. By comparison with all earlier observations, an estimate forthe personal equation has been made, which is applied in combinationwith catalogue proper motions to investigate the nature of many of thesepairs.

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观测天体数据

星座:飛魚座
右阿森松:08h57m21.10s
赤纬:-66°12'14.9"
视星:7.576
距离:164.204 天文距离
右阿森松适当运动:-36.4
赤纬适当运动:38.5
B-T magnitude:8.881
V-T magnitude:7.684

目录:
适当名称   (Edit)
HD 1989HD 77187
TYCHO-2 2000TYC 8939-2728-1
USNO-A2.0USNO-A2 0225-05057521
HIPHIP 43979

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