CO

Notes

[For special information on CO 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 2.43e-10 0.00e+00
Mathis 2.12e-10 0.00e+00
4000K 2.81e-15 0.00e+00
10000K 1.81e-11 0.00e+00
20000K 2.38e-10 0.00e+00
Lyman-alpha 0.00e+00 0.00e+00
Solar 1.02e-11 6.52e-12
TW-Hya 5.72e-11 2.54e-11
Cosmic ray UV 4.62e-15 1.42e-15

[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 2.88 3.88 0.48 3.51 [Download] [Download]
Mathis 2.93 3.94 0.48 3.57 [Download] [Download]
4000K 2.61 3.58 0.54 3.28 [Download] [Download]
10000K 2.81 3.80 0.49 3.44 [Download] [Download]
20000K 2.93 3.94 0.48 3.57 [Download] [Download]
Lyman-alpha - - - -
Solar 3.17 4.23 0.49 3.87 [Download] [Download]
TW-Hya 2.99 4.01 0.47 3.64 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF - - - -
Mathis - - - -
4000K - - - -
10000K - - - -
20000K - - - -
Lyman-alpha - - - -
Solar 3.39 4.52 0.49 4.17 [Download] [Download]
TW-Hya 3.44 4.56 0.49 4.20 [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.]