A Subaru/High Dispersion Spectrograph Study of Lead (Pb) Abundances in Eight s-Process Element-Rich, Metal-Poor Stars

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

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A Subaru/High Dispersion Spectrograph Study of Lead (Pb) Abundances in Eight s-Process Element-Rich, Metal-Poor Stars

Date

2002

Authors

Aoki, Wako

Ryan, Sean G

Norris, John

Beers, Timothy C

Anderson, W G

Tsangarides, Stelios

Publisher

IOP Publishing

Abstract

We report the abundances of neutron-capture elements in eight carbon-rich, metal-poor (-2,7 ≤ [Fe/H] ≤ -1.9) stars observed with the Subaru Telescope High Dispersion Spectrograph. The derived abundance patterns indicate that the neutron-capture elemen