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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Ac2+: NIST Data Set version 20260813

Ac III

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ac_p2__NIST.adef.json [2.2 KB]

Metadata definition file for Ac+2 from the NIST dataset.

Ac_p2__NIST.pf [146.5 KB]

Partition function for Ac+2 from the NIST dataset.

  • Max temperature: 6000 K
Ac_p2__NIST.states [1001 bytes]

Energy levels for Ac+2 from the NIST dataset.

  • Number of states: 7
  • Max energy: 38063.01 cm-1
Ac_p2__NIST.trans [583 bytes]

Transitions for Ac+2 from the NIST dataset.

  • Number of transitions: 11
  • Max wavenumber: 38063.0 cm-1