Extremely Metal-poor Stars. IX. CS 22949-037 and the Role of Hypernovae

Norris, John; Ryan, Sean G; Beers, Timothy C; Aoki, Wako; Anderson, W G

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Extremely Metal-poor Stars. IX. CS 22949-037 and the Role of Hypernovae

Date

2002

Authors

Norris, John

Ryan, Sean G

Beers, Timothy C

Aoki, Wako

Anderson, W G

Publisher

IOP Publishing

Abstract

We have obtained high-resolution spectra of the extremely metal-poor star CS 22949-037 ([Fe/H] = -3.79) in the region of the ultraviolet NH bands at 3360-3370 Å, which confirm our earlier report that it exhibits extreme nitrogen enhancement. We find [N/F