Issue |
EPJ Web of Conferences
Volume 19, 2012
Assembling the Puzzle of the Milky Way
|
|
---|---|---|
Article Number | 02009 | |
Number of page(s) | 2 | |
Section | First Epochs Assembly: Halo Assembly, Streams, Which Timescale? | |
DOI | https://doi.org/10.1051/epjconf/20121902009 | |
Published online | 07 February 2012 |
https://doi.org/10.1051/epjconf/20121902009
S-process in low-mass extremely metal-poor stars
1 Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, 85748 Garching bei München, Germany
2 Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciències, Campus UAB, 08193 Bellaterra, Spain
a e-mail: mcruz@mpa-garching.mpg.de
We present post-processing s-process calculations for the core He-flash of a 1M☉ star with and Z = 10−8. Our model shows neutron densities larger than 1014cm−3, resulting in the production of s-process elements. The model reproduces the C, O, Sr, and Ba abundances of the star hyper metal-poor star HE0107-5240 within a factor of 4.
© Owned by the authors, published by EDP Sciences, 2012
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