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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Nb3+: Kurucz Data Set version 20260813

Nb IV

Max temperature: 208929.0 K

This data collection is designed for completeness.

Nb_p3__Kurucz.adef.json [2.2 KB]

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

Nb_p3__Kurucz.pf [8.1 KB]

Partition function for Nb+3 from the Kurucz dataset.

  • Max temperature: 208929 K
Nb_p3__Kurucz.states [116.2 KB]

Energy levels for Nb+3 from the Kurucz dataset.

  • Number of states: 1167
  • Max energy: 406097.293 cm-1
Nb_p3__Kurucz.trans [6.0 MB]

Transitions for Nb+3 from the Kurucz dataset.

  • Number of transitions: 117822
  • Max wavenumber: 406097.3 cm-1

Nb3+: NIST Data Set version 20260813

Nb IV

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Nb_p3__NIST.adef.json [2.2 KB]

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

Nb_p3__NIST.pf [146.5 KB]

Partition function for Nb+3 from the NIST dataset.

  • Max temperature: 6000 K
Nb_p3__NIST.states [25.4 KB]

Energy levels for Nb+3 from the NIST dataset.

  • Number of states: 182
  • Max energy: 254192.5 cm-1
Nb_p3__NIST.trans [42.4 KB]

Transitions for Nb+3 from the NIST dataset.

  • Number of transitions: 819
  • Max wavenumber: 249144.2 cm-1