From: A simplified method for calculating spectral emission of nonequilibrium air plasmas in hypersonic shock-layers
Wavelength, Ã…
Aki, 108s−1
Possible deviation
6644.96
0.0311
25%
6653.46
0.0244
6656.51
0.0193
6636.94
0.0125
6646.51
0.0194