NO2

Cross sections

Cross section figure.


[An explanation of the cross sections in this database]
[All cross sections — variable wavelength scale]
[All cross sections — variable wavelength scale in binary hdf5 format]
[All cross sections — 0.1nm wavelength scale]
[Photodissociation cross section — separate lines and continuum]
[Photoionisation cross section — separate lines and continuum]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s-1)

Radiation Photodissociation Photoionisation
ISRF 1.39e-09 1.54e-10
Mathis 9.22e-10 1.19e-10
4000K 4.84e-10 4.22e-15
10000K 1.13e-09 1.29e-11
20000K 1.33e-09 1.39e-10
Lyman-alpha 7.87e-12 1.67e-11
Solar 4.13e-10 3.09e-12
TW-Hya 1.30e-09 4.13e-11
Cosmic ray UV 1.05e-13 1.09e-14

[An explanation of the interstellar photo rates.]
[An explanation of the cosmic-ray induced photo rates.]
[An explanation of the radiation fields listed below.]
[Download all rates in a csv file.]

Shielding functions and fitted constants

Photodissociation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 1.71 2.50 0.55 2.20 [Download] [Download]
Mathis 1.72 2.51 0.55 2.21 [Download] [Download]
4000K 1.53 2.24 0.64 2.02 [Download] [Download]
10000K 1.58 2.31 0.62 2.07 [Download] [Download]
20000K 1.68 2.46 0.56 2.17 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.53 2.24 0.64 2.02 [Download] [Download]
TW-Hya 1.60 2.34 0.61 2.10 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 2.77 3.75 0.48 3.38 [Download] [Download]
Mathis 2.80 3.78 0.47 3.40 [Download] [Download]
4000K 2.33 3.24 0.53 2.92 [Download] [Download]
10000K 2.67 3.63 0.48 3.26 [Download] [Download]
20000K 2.81 3.80 0.47 3.42 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 2.58 3.52 0.44 3.11 [Download] [Download]
TW-Hya 2.52 3.45 0.45 3.05 [Download] [Download]

[An explanation of the shielding functions and parameterisations.]
[Download all γ factors in a csv file.]
[Download all dust and line shielding functions in a zip file.]