SIMBAD references

2007A&A...474..307Q - Astronomy and Astrophysics, volume 474, 307-314 (2007/10-4)

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.

QUINET P., ARGANTE C., FIVET V., TERRANOVA C., YUSHCHENKO A.V. and BIEMONT E.

Abstract (from CDS):

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.

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Journal keyword(s): atomic data - stars: chemically peculiar

Simbad objects: 2

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