C2H3

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 3.04e-09 2.01e-09
Mathis 2.56e-09 1.43e-09
4000K 3.68e-06 2.08e-12
10000K 1.38e-08 3.28e-10
20000K 3.44e-09 1.67e-09
Lyman-alpha 7.87e-12 4.19e-09
Solar 1.68e-06 1.77e-10
TW-Hya 7.76e-09 2.74e-09
Cosmic ray UV 4.81e-14 2.09e-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 1.02 1.78 0.55 1.48 [Download] [Download]
Mathis 0.95 1.64 0.58 1.37 [Download] [Download]
4000K 0.79 1.27 0.75 1.13 [Download] [Download]
10000K 0.98 1.70 0.56 1.41 [Download] [Download]
20000K 1.23 2.08 0.54 1.77 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 0.84 1.34 0.74 1.19 [Download] [Download]
TW-Hya 0.84 1.39 0.68 1.20 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 2.24 3.13 0.48 2.76 [Download] [Download]
Mathis 2.26 3.16 0.47 2.78 [Download] [Download]
4000K 1.82 2.61 0.59 2.35 [Download] [Download]
10000K 2.04 2.90 0.52 2.57 [Download] [Download]
20000K 2.25 3.14 0.47 2.76 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 2.13 3.00 0.56 2.71 [Download] [Download]
TW-Hya 2.13 2.99 0.56 2.70 [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.]