Atomic data for radioactive elements Ra I, Ra II, Ac I and Ac II and application to their detection in HD 101065 and HR 465

Details Atomic data for radioactive elements Ra I, Ra II, Ac I and Ac II and application to their detection in HD 101065 and HR 465 Atomic data for radioactive elements Ra I, Ra II, Ac I and Ac II and application to their detection in HD 101065 and HR 465

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...474..307q&link_type=abstract

Astronomy and Astrophysics, Volume 474, Issue 1, October IV 2007, pp.307-314

Astronomy and Astrophysics

Astrophysics

3

Atomic Data, Stars: Chemically Peculiar

Scientific paper

Radiative data for transitions of astrophysical interest in radioactive elements Ra I, Ra II, Ac I and Ac II have been computed using a semi-empirical relativistic Hartree-Fock approach including core polarization effects. Most of the oscillator strengths reported in the present paper are new. A possible detection of radium (Ra II) and actinium (Ac II) in the spectrum of the stars HD 101065 and HR 465 is examined and discussed.
Tables 1-4 are only available in electronic form at http://www.aanda.org

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