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HD 220354


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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.

UVBY photometry of HIPPARCOS stars
Photoelectric data in the uvby system have been obtained for 367southern stars of the Hipparcos Input Catalogue. Most of the stars are Fand G main sequence and fall in the magnitude range V = 9 to 10.

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Observation and Astrometry data

Constellation:つる座
Right ascension:23h23m23.74s
Declination:-46°56'48.9"
Apparent magnitude:10.277
Proper motion RA:13.3
Proper motion Dec:4.6
B-T magnitude:10.793
V-T magnitude:10.32

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 220354
TYCHO-2 2000TYC 8455-411-1
USNO-A2.0USNO-A2 0375-40260962
HIPHIP 115466

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