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TYC 7232-735-1

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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.
Catalogue of Metal-Deficient F-Stars to M-Stars - Part One - Stars Classified Spectroscopically - Supplement One Not Available
Metal-Deficient Giants in the Galactic Field - Catalogue and Some Physical Parameters Not Available

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Osservazione e dati astrometrici

Costellazione:	Idra
Ascensione retta:	12^h10^m00.71^s
Declinazione:	-31Â°30'36.1"
Magnitudine apparente:	10.764
Moto proprio RA:	-18.9
Moto proprio Dec:	-25.5
B-T magnitude:	11.886
V-T magnitude:	10.857

Cataloghi e designazioni:

Nomi esatti	(Edit)
TYCHO-2 2000	TYC 7232-735-1
USNO-A2.0	USNO-A2 0525-14819768
HIP	HIP 59306

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