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]
[Photoionisation 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 5.34e-09
Mathis 1.84e-09 3.72e-09
4000K 1.14e-06 1.22e-10
10000K 1.48e-08 1.55e-09
20000K 3.00e-09 4.56e-09
Lyman-alpha 7.87e-12 5.36e-09
Solar 1.03e-06 3.40e-10
TW-Hya 5.19e-09 4.41e-09
Cosmic ray UV 6.18e-14 4.97e-13

[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 2.01 2.87 0.48 2.50 [Download] [Download]
Mathis 2.03 2.90 0.47 2.52 [Download] [Download]
4000K 1.57 2.29 0.63 2.06 [Download] [Download]
10000K 1.75 2.55 0.56 2.25 [Download] [Download]
20000K 1.99 2.84 0.47 2.47 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.84 2.66 0.53 2.34 [Download] [Download]
TW-Hya 2.02 2.87 0.54 2.56 [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.]