N2
Notes
[For special information on N2 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 | 1.70e-10 | 0.00e+00 |
| Mathis | 1.52e-10 | 0.00e+00 |
| 4000K | 3.18e-16 | 0.00e+00 |
| 10000K | 1.10e-11 | 0.00e+00 |
| 20000K | 1.91e-10 | 0.00e+00 |
| Lyman-alpha | 0.00e+00 | 0.00e+00 |
| Solar | 1.05e-11 | 1.31e-12 |
| TW-Hya | 5.24e-11 | 8.79e-12 |
| Cosmic ray UV | 1.15e-14 | 1.50e-21 |
[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 | 3.16 | 4.25 | 0.51 | 3.92 | [Download] | [Download] |
| Mathis | 3.17 | 4.26 | 0.51 | 3.92 | [Download] | [Download] |
| 4000K | 3.15 | 4.24 | 0.52 | 3.91 | [Download] | [Download] |
| 10000K | 3.16 | 4.25 | 0.51 | 3.92 | [Download] | [Download] |
| 20000K | 3.17 | 4.25 | 0.51 | 3.92 | [Download] | [Download] |
| Lyman-alpha | - | - | - | - | ||
| Solar | 3.27 | 4.38 | 0.50 | 4.03 | [Download] | [Download] |
| TW-Hya | 3.23 | 4.32 | 0.50 | 3.98 | [Download] | [Download] |
Photoionisation
| Radiation | γE2 | γexp | k0fit | γfit | Line data | Dust data |
|---|---|---|---|---|---|---|
| ISRF | - | - | - | - | ||
| Mathis | - | - | - | - | ||
| 4000K | - | - | - | - | ||
| 10000K | - | - | - | - | ||
| 20000K | - | - | - | - | ||
| Lyman-alpha | - | - | - | - | ||
| Solar | 3.54 | 4.69 | 0.48 | 4.33 | [Download] | [Download] |
| TW-Hya | 3.60 | 4.75 | 0.48 | 4.38 | [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.]