HCl

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 1.73e-09 4.45e-11
Mathis 1.20e-09 4.31e-11
4000K 9.35e-11 6.75e-17
10000K 5.06e-10 2.82e-12
20000K 1.47e-09 5.20e-11
Lyman-alpha 1.46e-10 0.00e+00
Solar 1.08e-10 1.18e-11
TW-Hya 5.59e-10 5.12e-11
Cosmic ray UV 1.51e-13 4.64e-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 2.02 2.88 0.47 2.50 [Download] [Download]
Mathis 2.04 2.90 0.46 2.52 [Download] [Download]
4000K 1.54 2.25 0.64 2.03 [Download] [Download]
10000K 1.71 2.50 0.56 2.21 [Download] [Download]
20000K 1.98 2.85 0.47 2.47 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.60 2.36 0.58 2.08 [Download] [Download]
TW-Hya 1.90 2.75 0.49 2.39 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 3.18 4.27 0.51 3.94 [Download] [Download]
Mathis 3.19 4.28 0.51 3.94 [Download] [Download]
4000K 3.17 4.25 0.51 3.92 [Download] [Download]
10000K 3.18 4.27 0.51 3.93 [Download] [Download]
20000K 3.18 4.27 0.51 3.94 [Download] [Download]
Lyman-alpha - - - -
Solar 3.38 4.50 0.49 4.14 [Download] [Download]
TW-Hya 3.38 4.50 0.49 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.]