HNCO
Cross sections
[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.]