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HD 32166


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Bright Metal-poor Stars from the Hamburg/ESO Survey. I. Selection and Follow-up Observations from 329 Fields
We present a sample of 1777 bright (91.0) metal-poor([Fe/H]<-2.0) giants of 9%+/-2%, which is lower than previouslyreported. However, the frequency rises to similar (>20%) and highervalues with increasing distance from the Galactic plane. Although thenumbers of stars at low metallicity are falling rapidly at the lowestmetallicities, there is evidence that the fraction of carbon-enhancedmetal-poor stars is increasing rapidly as a function of decliningmetallicity. For ~60 objects, high-resolution data have already beenobtained; one of these, HE 1327-2326, is the new record holder for themost iron-deficient star known.

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观测天体数据

星座:雕具座
右阿森松:04h59m47.15s
赤纬:-32°04'41.7"
视星:9.874
右阿森松适当运动:-3.2
赤纬适当运动:-25
B-T magnitude:10.483
V-T magnitude:9.925

目录:
适当名称   (Edit)
HD 1989HD 32166
TYCHO-2 2000TYC 7046-34-1
USNO-A2.0USNO-A2 0525-01898353
HIPHIP 23218

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