HST-STIS abundances in the uranium-rich very metal-poor star CS 31082-001

Details HST-STIS abundances in the uranium-rich very metal-poor star CS 31082-001 HST-STIS abundances in the uranium-rich very metal-poor star CS 31082-001

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..265..120b&link_type=abstract

Chemical Abundances in the Universe: Connecting First Stars to Planets, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Metal-Poor Stars, R-Elements, Ultraviolet

Scientific paper

The 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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