SiH

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]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s-1)

Radiation Photodissociation Photoionisation
ISRF 2.71e-09
Mathis 1.84e-09
4000K 1.14e-06
10000K 1.48e-08
20000K 3.00e-09
Lyman-alpha 7.87e-12
Solar 1.03e-06
TW-Hya 5.19e-09
Cosmic ray UV 6.18e-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 1.24 1.95 0.62 1.71 [Download] [Download]
Mathis 1.18 1.89 0.61 1.64 [Download] [Download]
4000K 0.97 1.53 0.70 1.36 [Download] [Download]
10000K 1.20 1.89 0.63 1.66 [Download] [Download]
20000K 1.33 2.05 0.61 1.81 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 0.97 1.54 0.71 1.36 [Download] [Download]
TW-Hya 1.11 1.80 0.62 1.56 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF - - - -
Mathis - - - -
4000K - - - -
10000K - - - -
20000K - - - -
Lyman-alpha - - - -
Solar - - - -
TW-Hya - - - -

[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.]