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2001MNRAS.325..931R - Mon. Not. R. Astron. Soc., 325, 931-962 (2001/August-2)
A search for previously unrecognized metal-poor subdwarfs in the Hipparcos astrometric catalogue.
REID I.N., VAN WYK F., MARANG F., ROBERTS G., KILKENNY D. and MAHONEY S.
Abstract (from CDS):
47 stars still lack sufficient supplementary observations for population classification; however, we are able to estimate abundances for 270 stars, or over 80 per cent of the sample. The overwhelming majority have near-solar abundance, with their inclusion in the present sample stemming from errors in the colours listed in the Hipparcos catalogue. Only 44 stars show consistent evidence of abundances below [Fe/H]=-1.0. Nine are additions to the small sample of metal-poor subdwarfs with accurate photometry. We consider briefly the implication of these results for cluster main-sequence fitting.
Abstract Copyright: The Royal Astronomical Society
Journal keyword(s): stars: abundances - subdwarfs - Galaxy: halo
VizieR on-line data: <Available at CDS (J/MNRAS/325/931): table1.dat>
CDS comments: Table 10 : G 112-56 not identified (not in Giclas lists).
Simbad objects: 430
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