The most metal-poor stars. I. Discovery, data, and atmospheric parameters
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Norris, John
Bessell, Michael
Yong, David
Christlieb, N
Barklem, Paul S
Asplund, Martin
Murphy, Simon
Beers, Timothy C
Frebel, Anna
Ryan, S. G.
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IOP Publishing
Abstract
We report the discovery of 34 stars in the Hamburg/ESO Survey for metal-poor stars and the Sloan Digital Sky Survey that have [Fe/H] ≲ -3.0. Their median and minimum abundances are [Fe/H] = -3.1 and -4.1, respectively, while 10 stars have [Fe/H] < -3.5.
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Astrophysical Journal, The
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Open Access
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