HST-STIS abundances in the uranium-rich very metal-poor star CS 31082-001
- Barbuy, Beatriz
- Spite, Monique
- Hill, Vanessa
- Primas, Francesca
- Plez, Bertrand
- Cayrel, Roger
- Sneden, Christopher
- Spite, François
- Beers, Timothy C.
- Andersen, Johannes
- Nordström, Birgitta
- Bonifacio, Piercarlo
- François, Patrick
- Molaro, Paolo
- Siqueira-Mello, C.
DOIAbstract
International audienceThe abundance derivation of heavy r-elements may provide a better understanding of the r-process, and the determination of several reference r-elements should allow a better determination of the star's age. The spatial ultraviolet (UV) region presents a large number of lines of heavy elements, and in some cases such as Bi, Pt, Au, detectable lines are only available in the UV. The extreme ``r-process star'' CS 31082-001 ([Fe/H] = -2.9) was observed in the spatial UV in order to determine abundances of the heavy elements, using STIS on board HST
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