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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Hf: NIST Data Set version 20240901

Hf I | mass = 178.49 u

Max temperature: 6000 K

This data collection is critically evaluated and recommended for accuracy.

Hf__NIST.adef.json [3.4 KB]

Metadata definition file for Hf from the NIST dataset.

Hf__NIST.pf [152.3 KB]

Partition function for Hf from the NIST dataset.

  • Max temperature: 6000 K
Hf__NIST.states [30.1 KB]

Energy levels for Hf from the NIST dataset.

  • Number of states: 278
  • Max energy: 51390.77 cm-1
Hf__NIST.trans [7.0 KB]

Transitions for Hf from the NIST dataset.

  • Number of transitions: 187
  • Max wavenumber: 31610.65 cm-1