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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K9+: NIST Data Set version 20260813

K X

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

K_p9__NIST.adef.json [2.2 KB]

Metadata definition file for K+9 from the NIST dataset.

K_p9__NIST.pf [146.5 KB]

Partition function for K+9 from the NIST dataset.

  • Max temperature: 6000 K
K_p9__NIST.states [4.6 KB]

Energy levels for K+9 from the NIST dataset.

  • Number of states: 33
  • Max energy: 3379700.0 cm-1
K_p9__NIST.trans [1.9 KB]

Transitions for K+9 from the NIST dataset.

  • Number of transitions: 37
  • Max wavenumber: 3237608.0 cm-1