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HD 164491


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Appulses and occultations of SAO stars by Mercury - 1987-1995
While no readily observable occultations were found in the presentpredictions for 78 close approaches by Mercury to stars in theSmithsonian Astrophysical Observatory catalog (1966) over the periodJanuary 1, 1987-December 31, 1995, seven occultations of stars withvisual magnitudes of 7 or fainter are noted. These events are presentedwith a view to searches for material in the vicinity of Mercury, as wellas investigations requiring close, bright stars for the improvement ofground-based Mercury images.

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观测天体数据

星座:人馬座
右阿森松:18h02m21.98s
赤纬:-21°57'47.3"
视星:8.772
距离:20000 天文距离
右阿森松适当运动:1.4
赤纬适当运动:2.2
B-T magnitude:10.249
V-T magnitude:8.894

目录:
适当名称   (Edit)
HD 1989HD 164491
TYCHO-2 2000TYC 6263-56-1
USNO-A2.0USNO-A2 0675-23903717
HIPHIP 88325

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