Zn

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 — 4.10e-10
Mathis — 2.85e-10
4000K — 3.08e-14
10000K — 3.76e-11
20000K — 3.23e-10
Lyman-alpha — 9.23e-12
Solar — 3.03e-12
TW-Hya — 6.69e-11
Cosmic ray UV — 1.98e-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 2.69 3.66 0.50 3.32 [Download] [Download]
Mathis 2.69 3.67 0.50 3.33 [Download] [Download]
4000K 1.94 2.77 0.55 2.47 [Download] [Download]
10000K 2.56 3.50 0.47 3.12 [Download] [Download]
20000K 2.69 3.66 0.50 3.32 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 2.56 3.49 0.43 3.07 [Download] [Download]
TW-Hya 2.61 3.56 0.47 3.19 [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.]