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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Ca4+: Kurucz Data Set version 20260813

Ca V

Max temperature: 208930.0 K

This data collection is designed for completeness.

Ca_p4__Kurucz.adef.json [2.2 KB]

Metadata definition file for Ca+4 from the Kurucz dataset.

Ca_p4__Kurucz.pf [8.1 KB]

Partition function for Ca+4 from the Kurucz dataset.

  • Max temperature: 208930 K
Ca_p4__Kurucz.states [289.9 KB]

Energy levels for Ca+4 from the Kurucz dataset.

  • Number of states: 2910
  • Max energy: 1086753.599 cm-1
Ca_p4__Kurucz.trans [31.4 MB]

Transitions for Ca+4 from the Kurucz dataset.

  • Number of transitions: 621461
  • Max wavenumber: 1085350.0 cm-1

Ca4+: NIST Data Set version 20260813

Ca V

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ca_p4__NIST.adef.json [2.2 KB]

Metadata definition file for Ca+4 from the NIST dataset.

Ca_p4__NIST.pf [146.5 KB]

Partition function for Ca+4 from the NIST dataset.

  • Max temperature: 6000 K
Ca_p4__NIST.states [5.4 KB]

Energy levels for Ca+4 from the NIST dataset.

  • Number of states: 39
  • Max energy: 544143.0 cm-1
Ca_p4__NIST.trans [954 bytes]

Transitions for Ca+4 from the NIST dataset.

  • Number of transitions: 18
  • Max wavenumber: 156757.0 cm-1