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HD 9920


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Photoelectric observations of lunar occultations. XV
The last (or possibly penultimate) paper in a series on lunaroccultations presents observations of 404 phenomena, preceded by somegeneral remarks of a retrospective nature. The series of observationsbegan in 1968. Data for 20 doubles or suspected doubles are presented,ranked in order of certainty, with designation 3 representing thesurest. Thirteen of the cases refer to stars not previously noted asdoubles. Seven determinations of angular diameters are presented, ofwhich three have been previously observed.

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观测天体数据

星座:雙魚座
右阿森松:01h37m02.19s
赤纬:+05°37'50.8"
视星:8.216
距离:96.061 天文距离
右阿森松适当运动:123.6
赤纬适当运动:-77.3
B-T magnitude:8.942
V-T magnitude:8.276

目录:
适当名称   (Edit)
HD 1989HD 9920
TYCHO-2 2000TYC 34-944-1
USNO-A2.0USNO-A2 0900-00380690
HIPHIP 7532

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