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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Si8+: NIST Data Set version 20260813

Si IX

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Si_p8__NIST.adef.json [2.2 KB]

Metadata definition file for Si+8 from the NIST dataset.

Si_p8__NIST.pf [146.5 KB]

Partition function for Si+8 from the NIST dataset.

  • Max temperature: 6000 K
Si_p8__NIST.states [8.8 KB]

Energy levels for Si+8 from the NIST dataset.

  • Number of states: 63
  • Max energy: 2266350.0 cm-1
Si_p8__NIST.trans [18.9 KB]

Transitions for Si+8 from the NIST dataset.

  • Number of transitions: 366
  • Max wavenumber: 2261680.0 cm-1