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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Ra: NIST Data Set version 20240901

Ra I | mass = 226.0254 u

Max temperature: 6000 K

This data collection is critically evaluated and recommended for accuracy.

Ra__NIST.adef.json [3.4 KB]

Metadata definition file for Ra from the NIST dataset.

Ra__NIST.pf [152.3 KB]

Partition function for Ra from the NIST dataset.

  • Max temperature: 6000 K
Ra__NIST.states [9.5 KB]

Energy levels for Ra from the NIST dataset.

  • Number of states: 81
  • Max energy: 42524.473 cm-1
Ra__NIST.trans [718 bytes]

Transitions for Ra from the NIST dataset.

  • Number of transitions: 19
  • Max wavenumber: 20715.61 cm-1