ExoAtom

This is the development version of ExoAtom.

Search for species using terms such as Al, Cr+ or W+, or select an element from the periodic table below.

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Kurucz vs NIST coverage

View the full element-by-ionization-stage coverage matrix for both datasets.

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Ar3+: Kurucz Data Set version 20260813

Ar IV

Max temperature: 208930.0 K

This data collection is designed for completeness.

Ar_p3__Kurucz.adef.json [2.2 KB]

Metadata definition file for Ar+3 from the Kurucz dataset.

Ar_p3__Kurucz.pf [8.1 KB]

Partition function for Ar+3 from the Kurucz dataset.

  • Max temperature: 208930 K
Ar_p3__Kurucz.states [238.0 KB]

Energy levels for Ar+3 from the Kurucz dataset.

  • Number of states: 2389
  • Max energy: 653623.391 cm-1
Ar_p3__Kurucz.trans [20.7 MB]

Transitions for Ar+3 from the Kurucz dataset.

  • Number of transitions: 409425
  • Max wavenumber: 653623.4 cm-1

Ar3+: NIST Data Set version 20260813

Ar IV

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ar_p3__NIST.adef.json [2.2 KB]

Metadata definition file for Ar+3 from the NIST dataset.

Ar_p3__NIST.pf [146.5 KB]

Partition function for Ar+3 from the NIST dataset.

  • Max temperature: 6000 K
Ar_p3__NIST.states [8.0 KB]

Energy levels for Ar+3 from the NIST dataset.

  • Number of states: 57
  • Max energy: 305899.6 cm-1
Ar_p3__NIST.trans [2.2 KB]

Transitions for Ar+3 from the NIST dataset.

  • Number of transitions: 42
  • Max wavenumber: 119043.8 cm-1