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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Ni20+: NIST Data Set version 20260813

Ni XXI

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ni_p20__NIST.adef.json [2.2 KB]

Metadata definition file for Ni+20 from the NIST dataset.

Ni_p20__NIST.pf [146.5 KB]

Partition function for Ni+20 from the NIST dataset.

  • Max temperature: 6000 K
Ni_p20__NIST.states [4.2 KB]

Energy levels for Ni+20 from the NIST dataset.

  • Number of states: 30
  • Max energy: 9090000.0 cm-1
Ni_p20__NIST.trans [2.4 KB]

Transitions for Ni+20 from the NIST dataset.

  • Number of transitions: 46
  • Max wavenumber: 8962000.0 cm-1