CO
Notes
[For special information on CO photodissociation click here]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 | 2.43e-10 | 0.00e+00 |
| Mathis | 2.12e-10 | 0.00e+00 |
| 4000K | 2.81e-15 | 0.00e+00 |
| 10000K | 1.81e-11 | 0.00e+00 |
| 20000K | 2.38e-10 | 0.00e+00 |
| Lyman-alpha | 0.00e+00 | 0.00e+00 |
| Solar | 1.02e-11 | 6.52e-12 |
| TW-Hya | 5.72e-11 | 2.54e-11 |
| Cosmic ray UV | 9.92e-15 | 1.59e-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 | 2.88 | 3.88 | 0.48 | 3.51 | [Download] | [Download] |
| Mathis | 2.93 | 3.94 | 0.48 | 3.57 | [Download] | [Download] |
| 4000K | 2.61 | 3.58 | 0.54 | 3.28 | [Download] | [Download] |
| 10000K | 2.81 | 3.80 | 0.49 | 3.44 | [Download] | [Download] |
| 20000K | 2.93 | 3.94 | 0.48 | 3.57 | [Download] | [Download] |
| Lyman-alpha | - | - | - | - | ||
| Solar | 3.17 | 4.23 | 0.49 | 3.87 | [Download] | [Download] |
| TW-Hya | 2.99 | 4.01 | 0.47 | 3.64 | [Download] | [Download] |
Photoionisation
| Radiation | γE2 | γexp | k0fit | γfit | Line data | Dust data |
|---|---|---|---|---|---|---|
| ISRF | - | - | - | - | ||
| Mathis | - | - | - | - | ||
| 4000K | - | - | - | - | ||
| 10000K | - | - | - | - | ||
| 20000K | - | - | - | - | ||
| Lyman-alpha | - | - | - | - | ||
| Solar | 3.39 | 4.52 | 0.49 | 4.17 | [Download] | [Download] |
| TW-Hya | 3.44 | 4.56 | 0.49 | 4.20 | [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.]