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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Si2+: Kurucz Data Set version 20260813

Si III

Max temperature: 208930.0 K

This data collection is designed for completeness.

Si_p2__Kurucz.adef.json [2.2 KB]

Metadata definition file for Si+2 from the Kurucz dataset.

Si_p2__Kurucz.pf [8.1 KB]

Partition function for Si+2 from the Kurucz dataset.

  • Max temperature: 208930 K
Si_p2__Kurucz.states [78.4 KB]

Energy levels for Si+2 from the Kurucz dataset.

  • Number of states: 787
  • Max energy: 426947.377 cm-1
Si_p2__Kurucz.trans [153.9 KB]

Transitions for Si+2 from the Kurucz dataset.

  • Number of transitions: 2974
  • Max wavenumber: 244933.4 cm-1

Si2+: NIST Data Set version 20260813

Si III

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Si_p2__NIST.adef.json [2.2 KB]

Metadata definition file for Si+2 from the NIST dataset.

Si_p2__NIST.pf [146.5 KB]

Partition function for Si+2 from the NIST dataset.

  • Max temperature: 6000 K
Si_p2__NIST.states [25.7 KB]

Energy levels for Si+2 from the NIST dataset.

  • Number of states: 184
  • Max energy: 301892.26 cm-1
Si_p2__NIST.trans [66.7 KB]

Transitions for Si+2 from the NIST dataset.

  • Number of transitions: 1288
  • Max wavenumber: 214532.2 cm-1