HC3H

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 2.15e-09
Mathis 1.47e-09
4000K 1.80e-07
10000K 6.55e-09
20000K 2.65e-09
Lyman-alpha 7.87e-12
Solar 2.95e-07
TW-Hya 2.23e-09
Cosmic ray UV 1.05e-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 1.43 2.15 0.62 1.91 [Download] [Download]
Mathis 1.42 2.15 0.62 1.91 [Download] [Download]
4000K 1.10 1.67 0.71 1.50 [Download] [Download]
10000K 1.32 2.03 0.61 1.79 [Download] [Download]
20000K 1.47 2.20 0.62 1.96 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.10 1.67 0.72 1.50 [Download] [Download]
TW-Hya 1.33 2.04 0.62 1.80 [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.]