HNCO

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 2.56e-09 1.03e-10
Mathis 1.72e-09 8.43e-11
4000K 7.47e-09 6.18e-16
10000K 1.18e-09 7.29e-12
20000K 2.17e-09 1.01e-10
Lyman-alpha 4.65e-09 0.00e+00
Solar 9.94e-09 6.89e-12
TW-Hya 3.39e-09 4.49e-11
Cosmic ray UV 2.66e-13 7.43e-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 1.89 2.72 0.52 2.40 [Download] [Download]
Mathis 1.89 2.73 0.52 2.40 [Download] [Download]
4000K 1.10 1.71 0.68 1.51 [Download] [Download]
10000K 1.60 2.38 0.57 2.10 [Download] [Download]
20000K 1.85 2.68 0.53 2.36 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.10 1.71 0.67 1.51 [Download] [Download]
TW-Hya 1.98 2.82 0.54 2.52 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 3.02 4.06 0.50 3.72 [Download] [Download]
Mathis 3.04 4.09 0.50 3.74 [Download] [Download]
4000K 2.85 3.86 0.52 3.54 [Download] [Download]
10000K 2.99 4.03 0.50 3.69 [Download] [Download]
20000K 3.04 4.09 0.50 3.75 [Download] [Download]
Lyman-alpha - - - -
Solar 3.27 4.35 0.48 3.98 [Download] [Download]
TW-Hya 3.19 4.25 0.47 3.88 [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.]