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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Cr4+: Kurucz Data Set version 20260813

Cr V

Max temperature: 208930.0 K

This data collection is designed for completeness.

Cr_p4__Kurucz.adef.json [2.2 KB]

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

Cr_p4__Kurucz.pf [8.1 KB]

Partition function for Cr+4 from the Kurucz dataset.

  • Max temperature: 208930 K
Cr_p4__Kurucz.states [114.1 KB]

Energy levels for Cr+4 from the Kurucz dataset.

  • Number of states: 1145
  • Max energy: 792100.956 cm-1
Cr_p4__Kurucz.trans [5.5 MB]

Transitions for Cr+4 from the Kurucz dataset.

  • Number of transitions: 109427
  • Max wavenumber: 792101.0 cm-1

Cr4+: NIST Data Set version 20260813

Cr V

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Cr_p4__NIST.adef.json [2.2 KB]

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

Cr_p4__NIST.pf [146.5 KB]

Partition function for Cr+4 from the NIST dataset.

  • Max temperature: 6000 K
Cr_p4__NIST.states [6.4 KB]

Energy levels for Cr+4 from the NIST dataset.

  • Number of states: 46
  • Max energy: 358653.8 cm-1
Cr_p4__NIST.trans [5.4 KB]

Transitions for Cr+4 from the NIST dataset.

  • Number of transitions: 104
  • Max wavenumber: 230252.0 cm-1