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.

Ar4+: NIST Data Set version 20260813

Ar V

Max temperature: 6000.0 K

This data collection is critically evaluated and recommended for accuracy.

Ar_p4__NIST.adef.json [2.2 KB]

Metadata definition file for Ar+4 from the NIST dataset.

Ar_p4__NIST.pf [146.5 KB]

Partition function for Ar+4 from the NIST dataset.

  • Max temperature: 6000 K
Ar_p4__NIST.states [6.7 KB]

Energy levels for Ar+4 from the NIST dataset.

  • Number of states: 48
  • Max energy: 432378.0 cm-1
Ar_p4__NIST.trans [954 bytes]

Transitions for Ar+4 from the NIST dataset.

  • Number of transitions: 18
  • Max wavenumber: 121630.8 cm-1