N2

Notes

[For special information on N2 photodissociation click here]

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 1.70e-10 0.00e+00
Mathis 1.52e-10 0.00e+00
4000K 3.18e-16 0.00e+00
10000K 1.10e-11 0.00e+00
20000K 1.91e-10 0.00e+00
Lyman-alpha 0.00e+00 0.00e+00
Solar 1.05e-11 1.31e-12
TW-Hya 5.24e-11 8.79e-12
Cosmic ray UV 3.93e-15 1.50e-21

[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 3.16 4.25 0.51 3.92 [Download] [Download]
Mathis 3.17 4.26 0.51 3.92 [Download] [Download]
4000K 3.15 4.24 0.52 3.91 [Download] [Download]
10000K 3.16 4.25 0.51 3.92 [Download] [Download]
20000K 3.17 4.25 0.51 3.92 [Download] [Download]
Lyman-alpha - - - -
Solar 3.27 4.38 0.50 4.03 [Download] [Download]
TW-Hya 3.23 4.32 0.50 3.98 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF - - - -
Mathis - - - -
4000K - - - -
10000K - - - -
20000K - - - -
Lyman-alpha - - - -
Solar 3.54 4.69 0.48 4.33 [Download] [Download]
TW-Hya 3.60 4.75 0.48 4.38 [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.]