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Computation of oscillator strengths by a semi-empirical method for some elements of the iron-group and their solar photospheric abundance

✍ Scribed by Emile Biemont

Publisher: Springer
Year: 1975
Tongue: English
Weight: 258 KB
Volume: 44
Category: Article
ISSN: 0038-0938
DOI: 10.1007/bf00153207

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📜 SIMILAR VOLUMES

Computation of oscillator strengths by a

Computation of oscillator strengths by a semi-empirical method for some elements of the iron-group and their solar photospheric abundance

✍ E. Biémont 📂 Article 📅 1974 🏛 Springer 🌐 English ⚖ 793 KB

Oscillator strengths are calculated for 259 lines of Ti I by taking configuration interaction into account in a somewhat simplified treatment. Radial integrals are obtained by an adaptation of the scaled Thomas-Fermi method. The great majority of selected lines originate from slightly perturbed term

Computation of oscillator strengths by a

Computation of oscillator strengths by a semi-empirical method for some elements of the iron-group and their solar photospheric abundance

✍ E. Biémont 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 416 KB

Oscillator strengths calculated by the STF method for selected transitions of V I and Co I have permitted to deduce, from an LTE study of weak lines, photospheric abundances in agreement with those obtained from carbonaceous chondrites. A summary of results is also presented for all the iron-group e

Computation of oscillator strengths by a

Computation of oscillator strengths by a semiempirical method for some elements of the iron group and their solar photospheric abundance

✍ E. Biémont 📂 Article 📅 1974 🏛 Springer 🌐 English ⚖ 184 KB

Absolute oscillator strengths are computed by the STF method for selected lines of Scl.The lifetimes deduced from these values are in satisfactory agreement with recent beam-foil measurements. From a study of 10 selected lines, a new value of the solar photospheric abundance is derived (logNsc = 3.0