Fe

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]
[Photoionisation cross section — separate lines and continuum]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s-1)

Radiation Photodissociation Photoionisation
ISRF 4.71e-10
Mathis 3.10e-10
4000K 1.20e-11
10000K 2.10e-10
20000K 4.10e-10
Lyman-alpha 7.67e-10
Solar 3.90e-11
TW-Hya 5.90e-10
Cosmic ray UV 4.81e-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 - - - -
Mathis - - - -
4000K - - - -
10000K - - - -
20000K - - - -
Lyman-alpha - - - -
Solar - - - -
TW-Hya - - - -

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 1.81 2.62 0.56 2.33 [Download] [Download]
Mathis 1.82 2.63 0.56 2.33 [Download] [Download]
4000K 1.62 2.37 0.62 2.12 [Download] [Download]
10000K 1.72 2.49 0.59 2.23 [Download] [Download]
20000K 1.80 2.60 0.56 2.31 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.93 2.76 0.55 2.46 [Download] [Download]
TW-Hya 1.90 2.72 0.55 2.42 [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.]