Skip to main content

Table 1 First excited quantum state and characteristic ion temperatures

From: High-enthalpy hypersonic flows

Electronic state Ionization potential, ev Energy level, ev Characteristic Θi, k
O 1D2 13.6 1.96 22,800
O2 1Δg 12.2 0.98 11,300
N 2Do 14.55 2.37 27,500
\( {N_{2\kern1em }}^3{\Sigma}_u^{+} \) 15.58 6.10 71,000
NO 2Σ−1 6.25 5.29 61,400