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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Cr3+: Kurucz Data Set version 20260813

Cr IV

Max temperature: 208930.0 K

This data collection is designed for completeness.

Cr_p3__Kurucz.adef.json [2.2 KB]

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

Cr_p3__Kurucz.pf [9.5 KB]

Partition function for Cr+3 from the Kurucz dataset.

  • Max temperature: 208930 K
Cr_p3__Kurucz.states [439.5 KB]

Energy levels for Cr+3 from the Kurucz dataset.

  • Number of states: 4412
  • Max energy: 758234.62 cm-1
Cr_p3__Kurucz.trans [52.8 MB]

Transitions for Cr+3 from the Kurucz dataset.

  • Number of transitions: 1044865
  • Max wavenumber: 758234.3 cm-1

Cr3+: NIST Data Set version 20260813

Cr IV

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Cr_p3__NIST.adef.json [2.2 KB]

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

Cr_p3__NIST.pf [146.5 KB]

Partition function for Cr+3 from the NIST dataset.

  • Max temperature: 6000 K
Cr_p3__NIST.states [21.5 KB]

Energy levels for Cr+3 from the NIST dataset.

  • Number of states: 154
  • Max energy: 273866.6 cm-1
Cr_p3__NIST.trans [5.3 KB]

Transitions for Cr+3 from the NIST dataset.

  • Number of transitions: 102
  • Max wavenumber: 53143.8 cm-1