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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Si3+: Kurucz Data Set version 20260813

Si IV

Max temperature: 208930.0 K

This data collection is designed for completeness.

Si_p3__Kurucz.adef.json [2.2 KB]

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

Si_p3__Kurucz.pf [8.1 KB]

Partition function for Si+3 from the Kurucz dataset.

  • Max temperature: 208930 K
Si_p3__Kurucz.states [27.8 KB]

Energy levels for Si+3 from the Kurucz dataset.

  • Number of states: 279
  • Max energy: 1120514.748 cm-1
Si_p3__Kurucz.trans [260.5 KB]

Transitions for Si+3 from the Kurucz dataset.

  • Number of transitions: 5033
  • Max wavenumber: 1048941.0 cm-1

Si3+: NIST Data Set version 20260813

Si IV

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Si_p3__NIST.adef.json [2.2 KB]

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

Si_p3__NIST.pf [146.5 KB]

Partition function for Si+3 from the NIST dataset.

  • Max temperature: 6000 K
Si_p3__NIST.states [7.5 KB]

Energy levels for Si+3 from the NIST dataset.

  • Number of states: 54
  • Max energy: 336650.69 cm-1
Si_p3__NIST.trans [16.3 KB]

Transitions for Si+3 from the NIST dataset.

  • Number of transitions: 314
  • Max wavenumber: 332759.9 cm-1