NaH
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]
[Download cross section figure as pdf]
Photodissociation and ionisation rates (s-1)
Radiation | Photodissociation | Photoionisation |
---|---|---|
ISRF | 7.00e-09 | — |
Mathis | 4.46e-09 | — |
4000K | 3.70e-06 | — |
10000K | 4.59e-08 | — |
20000K | 6.41e-09 | — |
Lyman-alpha | 7.87e-12 | — |
Solar | 3.97e-06 | — |
TW-Hya | 1.29e-08 | — |
Cosmic ray UV | 9.27e-14 | — |
[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 | 1.17 | 1.77 | 0.71 | 1.59 | [Download] | [Download] |
Mathis | 1.14 | 1.74 | 0.70 | 1.57 | [Download] | [Download] |
4000K | 1.06 | 1.66 | 0.71 | 1.48 | [Download] | [Download] |
10000K | 1.16 | 1.76 | 0.71 | 1.59 | [Download] | [Download] |
20000K | 1.18 | 1.78 | 0.71 | 1.61 | [Download] | [Download] |
Lyman-alpha | 2.11 | 2.97 | 0.58 | 2.70 | [Download] | [Download] |
Solar | 1.08 | 1.67 | 0.71 | 1.50 | [Download] | [Download] |
TW-Hya | 1.12 | 1.72 | 0.71 | 1.54 | [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.]