Tables of the partition functions for iron, Fe I -- Fe X
J. Halenka (1), J. Madej (2, 3) ((1) Institute of Physics,, University of Opole, Poland, (2) Astronomical Observatory, Warsaw University,, Poland, (3) N. Copernicus Astronomical Center, Warsaw, Poland)
TL;DR
This paper provides extensive tables of atomic partition functions for iron ions from Fe I to Fe X, covering a wide temperature range and including autoionization levels, aiding stellar atmosphere modeling.
Contribution
It introduces comprehensive tables of atomic partition functions for Fe I to Fe X, accounting for all quantum-mechanically predicted energy levels, including autoionization levels.
Findings
Tables cover 10^3 K to 10^6 K temperatures.
Includes all energy levels predicted by quantum mechanics.
Applicable for modeling stellar atmospheres and spectra.
Abstract
We present extensive tables of the Atomic Partition Function for iron ions, Fe I -- Fe X, and discuss details of the computational method. Partition functions are given in wide range of temperatures, 10^3 K < T < 10^6 K, and lowering of ionization energy (0.001 eV < LIE < 5.0 eV). Our APF take into account all energy levels predicted by quantum mechanics, including autoionization levels. The tables can be applied for the computations of model stellar atmospheres and theoretical spectra over all existing spectral and luminosity classes.
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Taxonomy
TopicsMaterial Properties and Failure Mechanisms · Iron and Steelmaking Processes