The night-time visible and near-infrared ionospheric emissions

 
Wavelength,
A
Band
E, 
eV
t ,
sec
Night intensity,
Relation/ R
Height, km
Max
Range
OH
6233.7-
-6416.9
7710.4-
7972.6
6862
6831
7280
7242
7752
7715
(9.3)
 
(9.4)
 
Q (7-2) 
R 
Q (8-3) 
R 
Q (9-4) 
R
3.2
 <0.01 Sum in visible -  500 kR 

Line-1-500R.
85-90
75 - 115
Na
5889.95
5895.92
3s2S - 3s2P0
2.10
16.4 nsec
20-200
90
80-115
OI
4000-
10000
       Auroral, 
line <5R		  
<350
OI
7775.43
7774.14
7771.93
3p5P1® 3s5S2
3p5P2® 3s5S2
3p5P3® 3s5S3
10.7
193
nsec
 0.2 
0.3 
0.5 
Sum -  10-100		  
>250
  
200-500
OI
8446.25
8446.36
8446.76
3p3P0® 3s3S1
3p3P1® 3s3S1
3p3P2® 3s3S1
10.9
160
nsec
 0.1 
0.6 
0.3 
Sum - 10-100 
 
>250
 
  
200-500
[ OI] 
5577.35
2p1D2® 2p1S0
4.19
0.74
50-800
96
85-115
[OI] 
6300.31
6363.79
6391.6
2p3P1® 2p1D2
2p2P2® 2p1D2
2p2P3® 2p1D2
1.97
150
 0.7 
0.2 
0.1 
Sum - 20-400 
250
160-300
O2
3000-
5000
7619
8629 P
8659 R
A3? u+® X3? g-
Herzberg I
Atm. band
b1? g+® X3? g-
 
 
1.6
 
~ 0.2
 
12
1 hours
 sum –500 
line -1-100 
unvisibble
20-2000 
96
 
94
94
80-120
 
80-110
75-130
[ O+] 
7318.6
7319.4
7329.9
7330.7
2pD0-2p3D0
5.02
 
5.02
5
 
7.7
 Auroral,  
<130
[ NI] 
5197.90
5200.26
2p3S0-2p3D03/2
5/2
2.38
1.6E5
4.4E4
 0.6 

0.4 } <0.1-1R`
250
+-140
110-500
N2+
3914
4278
4709
 1NG (1,1) 
(0,1) 
(0,0) 
18.7
   0.6 
0.24 
0.06 
Sum - <10R 
115
100-300
[ N+] 
5754.8
6583.6
2p21D
4.05
1.89
0.92
250
 Auroral   
<400
Ha
 6562.81 Balmer alpha 2- 30 >400
 
Last updated 17.09.99