O3

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 1.83e-09 3.32e-11
Mathis 1.15e-09 3.40e-11
4000K 2.36e-07 4.35e-17
10000K 5.80e-09 2.06e-12
20000K 1.75e-09 3.95e-11
Lyman-alpha 4.66e-09 0.00e+00
Solar 2.22e-07 7.47e-12
TW-Hya 4.10e-09 3.47e-11
Cosmic ray UV 1.49e-13 3.15e-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 1.49 2.25 0.56 1.96 [Download] [Download]
Mathis 1.50 2.27 0.55 1.97 [Download] [Download]
4000K 1.09 1.79 0.66 1.58 [Download] [Download]
10000K 1.34 2.01 0.66 1.80 [Download] [Download]
20000K 1.48 2.23 0.58 1.95 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.24 1.86 0.69 1.68 [Download] [Download]
TW-Hya 1.52 2.36 0.51 2.02 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 3.19 4.28 0.51 3.95 [Download] [Download]
Mathis 3.20 4.29 0.51 3.95 [Download] [Download]
4000K 3.18 4.27 0.51 3.93 [Download] [Download]
10000K 3.19 4.28 0.51 3.94 [Download] [Download]
20000K 3.19 4.28 0.51 3.95 [Download] [Download]
Lyman-alpha - - - -
Solar 3.38 4.50 0.49 4.14 [Download] [Download]
TW-Hya 3.39 4.50 0.48 4.14 [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.]