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HD 100375


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Visual multiples. VII - MK classifications
Classifications are given for 865 components of visual multiples; theyshow no systematic differences from the MK system, and the random errorsare one subclass in type and two-thirds of a luminosity class. It isfound that at least 1% of the F-type IV and V stars are weak-lined, 32%of the A4-F1 IV and V stars are Am, and 5% of the A0-A3 IV and V starsare early-type Am. Attention is called to the large fraction (55%) ofthe A3-A9 III-V stars that are of luminosity classes III or IV, unlikethe percentage (16%) at neighboring types.

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观测天体数据

星座:巨爵座
右阿森松:11h32m57.90s
赤纬:-23°26'37.7"
视星:7.443
距离:154.799 天文距离
右阿森松适当运动:-59.7
赤纬适当运动:1.7
B-T magnitude:7.739
V-T magnitude:7.468

目录:
适当名称   (Edit)
HD 1989HD 100375
TYCHO-2 2000TYC 6651-1205-1
USNO-A2.0USNO-A2 0600-14224920
HIPHIP 56339

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