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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Ni21+: NIST Data Set version 20260813

Ni XXII

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ni_p21__NIST.adef.json [2.2 KB]

Metadata definition file for Ni+21 from the NIST dataset.

Ni_p21__NIST.pf [146.5 KB]

Partition function for Ni+21 from the NIST dataset.

  • Max temperature: 6000 K
Ni_p21__NIST.states [2.1 KB]

Energy levels for Ni+21 from the NIST dataset.

  • Number of states: 15
  • Max energy: 2340900.0 cm-1
Ni_p21__NIST.trans [3.1 KB]

Transitions for Ni+21 from the NIST dataset.

  • Number of transitions: 59
  • Max wavenumber: 1399000.0 cm-1