UV transitions of astrophysical interest in GE II, As II and Se II

Details UV transitions of astrophysical interest in GE II, As II and Se II UV transitions of astrophysical interest in GE II, As II and Se II

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.297..713b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 297, Issue 3, pp. 713-731.

Astronomy and Astrophysics

Astronomy

9

Atomic Data, Atomic Processes, Ism: Abundances, Ism: Atoms, Ultraviolet: Ism

Scientific paper

An extensive set of oscillator strengths and transition probabilities has been obtained for the UV transitions originating from the ground 4s^24p^n (n=1-3) states of Ge II, As II and Se II. These new data, calculated within the framework of a pseudo-relativistic Hartree-Fock (HFR) approach, fill in the gap existing in the atomic data needed for elemental abundance analysis of the interstellar medium. The f values are compared with the rather scarce results previously published in the literature. The astrophysical implications of the new transition rates regarding the interstellar medium are discussed.

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