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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Cr8+: Kurucz Data Set version 20260813

Cr IX

Max temperature: 208930.0 K

This data collection is designed for completeness.

Cr_p8__Kurucz.adef.json [2.2 KB]

Metadata definition file for Cr+8 from the Kurucz dataset.

Cr_p8__Kurucz.pf [8.1 KB]

Partition function for Cr+8 from the Kurucz dataset.

  • Max temperature: 208930 K
Cr_p8__Kurucz.states [289.9 KB]

Energy levels for Cr+8 from the Kurucz dataset.

  • Number of states: 2910
  • Max energy: 2247210.753 cm-1
Cr_p8__Kurucz.trans [38.2 MB]

Transitions for Cr+8 from the Kurucz dataset.

  • Number of transitions: 756558
  • Max wavenumber: 2244103.0 cm-1

Cr8+: NIST Data Set version 20260813

Cr IX

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Cr_p8__NIST.adef.json [2.2 KB]

Metadata definition file for Cr+8 from the NIST dataset.

Cr_p8__NIST.pf [146.5 KB]

Partition function for Cr+8 from the NIST dataset.

  • Max temperature: 6000 K
Cr_p8__NIST.states [4.0 KB]

Energy levels for Cr+8 from the NIST dataset.

  • Number of states: 29
  • Max energy: 1102600.0 cm-1
Cr_p8__NIST.trans [954 bytes]

Transitions for Cr+8 from the NIST dataset.

  • Number of transitions: 18
  • Max wavenumber: 477460.0 cm-1