Revised Analysis of Fe vii | Zendy

Alexander Kramida | Zendy; A N Ryabtsev | Zendy; Peter R. Young | Zendy

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Revised Analysis of Fe vii

Author(s) -

Alexander Kramida,

A N Ryabtsev,

Peter R. Young

Publication year - 2022

Publication title -

the astrophysical journal supplement series

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.546

H-Index - 277

eISSN - 1538-4365

pISSN - 0067-0049

DOI - 10.3847/1538-4365/ac3a7e

Subject(s) - physics , ionization , radiative transfer , spectrum (functional analysis) , ionization energy , atomic physics , spectral line , photoionization , emission spectrum , energy spectrum , astrophysics , ion , astronomy , optics , quantum mechanics

New spectrograms of multiply ionized iron have been recorded and analyzed, targeting the Fe vii spectrum. As a result, several previously unknown spectral lines and energy levels have been identified in this spectrum. These new data have been analyzed together with all previously published laboratory and astrophysical data on this spectrum. The energy levels have been interpreted using parametric calculations with Cowan codes. Radiative transition rates calculated in this work supplemented other previously published calculations in constructing a complete set of recommended transition probabilities. The ionization energy of Fe vii has been redetermined with a fivefold improvement in accuracy. Its new value is 1,007,928(20) cm −1 , corresponding to 124.9671(25) eV.

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