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Fe I Oscillator Strengths for Transitions from High-lying Odd-parity Levels

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Title: Fe I Oscillator Strengths for Transitions from High-lying Odd-parity Levels
Authors: Belmonte, MT
Pickering, JC
Ruffoni, MP
Den Hartog, EA
Lawler, JE
Guzman, A
Heiter, U
Item Type: Journal Article
Abstract: We report new experimental Fe I oscillator strengths obtained by combining measurements of branching fractions measured with a Fourier Transform spectrometer and time-resolved, laser-induced fluorescence lifetimes. This study covers the spectral region ranging from 213 to 1033 nm. A total of 120 experimental log( ) gf -values coming from 15 odd-parity energy levels are provided, 22 of which have not been reported previously and 63 of which have values with lower uncertainty than the existing data. The radiative lifetimes for 60 upper energy levels are presented, 39 of which have no previous measurements.
Issue Date: 20-Oct-2017
Date of Acceptance: 12-Sep-2017
URI: http://hdl.handle.net/10044/1/56465
DOI: https://dx.doi.org/10.3847/1538-4357/aa8cd3
ISSN: 0004-637X
Publisher: American Astronomical Society
Journal / Book Title: Astrophysical Journal
Volume: 848
Issue: 2
Copyright Statement: © 2017. The American Astronomical Society. All rights reserved.
Sponsor/Funder: Imperial College Trust
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council
Science and Technology Facilities Council (STFC)
Funder's Grant Number: N/A
ST/K001051/1
ST-N000838
ST/N000838/1
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
atomic data
line: profiles
methods: laboratory: atomic
techniques: spectroscopic
LATE-TYPE STARS
LTE LINE FORMATION
PRECISION-MEASUREMENT
RADIATIVE LIFETIMES
CRITICAL COMPILATION
MODEL ATMOSPHERES
MULTIPLET TABLE
NEUTRAL HELIUM
PROBABILITIES
ACCURACY
0201 Astronomical And Space Sciences
0305 Organic Chemistry
0306 Physical Chemistry (Incl. Structural)
Publication Status: Published
Article Number: 125
Appears in Collections:Space and Atmospheric Physics
Physics
Faculty of Natural Sciences



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