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HD 14788


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Photoelectric filter photometry of the flux depression at 5200 A in Ap-stars
A new photometric index was used to characterize the flux depression at5200 A in a photoelectric filter photometric study of a large number ofnormal A-stars, Ap-stars, Am-stars, and Hg-Mn-stars. The new index isdefined as a = g - (h + y)/2, where g and h are the brightnesses at 5240and 5020 A, respectively, measured by interference filters, and y is thebrightness measured with a Stromgren filter. The index reveals a markedcontrast between normal and peculiar stars.

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观测天体数据

星座:鯨魚座
右阿森松:02h22m45.55s
赤纬:-14°54'04.4"
视星:7.684
距离:900.901 天文距离
右阿森松适当运动:25.1
赤纬适当运动:2.3
B-T magnitude:7.742
V-T magnitude:7.689

目录:
适当名称   (Edit)
HD 1989HD 14788
TYCHO-2 2000TYC 5284-1727-1
USNO-A2.0USNO-A2 0750-00555547
HIPHIP 11088

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