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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Fe17+: NIST Data Set version 20260813

Fe XVIII

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Fe_p17__NIST.adef.json [2.2 KB]

Metadata definition file for Fe+17 from the NIST dataset.

Fe_p17__NIST.pf [146.5 KB]

Partition function for Fe+17 from the NIST dataset.

  • Max temperature: 6000 K
Fe_p17__NIST.states [9.8 KB]

Energy levels for Fe+17 from the NIST dataset.

  • Number of states: 70
  • Max energy: 52039000.0 cm-1
Fe_p17__NIST.trans [1.1 KB]

Transitions for Fe+17 from the NIST dataset.

  • Number of transitions: 21
  • Max wavenumber: 7184000.0 cm-1