Extremely Metal-poor Stars. VIII. High-resolution, High Signal-to-noise Ratio Analysis of Five Stars with [Fe/H] ≤-3.5.

Norris, John; Ryan, Sean G; Beers, Timothy C

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Extremely Metal-poor Stars. VIII. High-resolution, High Signal-to-noise Ratio Analysis of Five Stars with [Fe/H] ≤-3.5.

Date

2001

Authors

Norris, John

Ryan, Sean G

Beers, Timothy C

Publisher

IOP Publishing

Abstract

High-resolution, high signal-to-noise ratio (〈S/N〉 = 85) spectra have been obtained for five stars, CD -24°17504, CD -38°245, CS 22172-002, CS 22885-096, and CS 22949-037, having [Fe/H] ≲ -3.5 according to previous lower S/N material. LTE model at