The Role of Nuclear Astrophysics in Stellar Abundances

Details The Role of Nuclear Astrophysics in Stellar Abundances The Role of Nuclear Astrophysics in Stellar Abundances

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.8104s&link_type=abstract

American Astronomical Society, AAS Meeting #212, #81.04; Bulletin of the American Astronomical Society, Vol. 40, p.264

Astronomy and Astrophysics

Astronomy

Scientific paper

The abundance patterns of the iron peak elements may be used to decipher the nature of both explosive and neutron-capture nucleosynthesis. The derivation of accurate abundances requires reliable atomic data (i. e. oscillator strength
determinations, hyperfine and isotopic shift measurements). Though a significant body of work exists for the Fe-peak elements, renewed efforts are underway which extend and improve these prior determinations of atomic data. Recent laboratory measurements of transition probabilities for neutral Chromium will be reviewed and the application of these data to a select number of stellar spectra will be shown. Also, a new Copper abundance survey will be presented which employed re-calculated oscillator strength values. These results for Cr and Cu in conjunction with future investigations will facilitate the understanding of Galactic chemical evolution.

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