CH3OCHO
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 | 2.25e-09 | 2.90e-10 |
| Mathis | 1.48e-09 | 2.27e-10 |
| 4000K | 7.04e-10 | 4.83e-15 |
| 10000K | 1.38e-09 | 2.33e-11 |
| 20000K | 2.02e-09 | 2.64e-10 |
| Lyman-alpha | 3.79e-09 | 0.00e+00 |
| Solar | 1.01e-09 | 1.63e-11 |
| TW-Hya | 3.00e-09 | 9.87e-11 |
| Cosmic ray UV | 2.61e-13 | 2.24e-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 | 1.76 | 2.56 | 0.56 | 2.27 | [Download] | [Download] |
| Mathis | 1.77 | 2.56 | 0.56 | 2.28 | [Download] | [Download] |
| 4000K | 1.63 | 2.37 | 0.63 | 2.14 | [Download] | [Download] |
| 10000K | 1.64 | 2.39 | 0.60 | 2.13 | [Download] | [Download] |
| 20000K | 1.73 | 2.52 | 0.57 | 2.24 | [Download] | [Download] |
| Lyman-alpha | 2.11 | 2.97 | 0.58 | 2.70 | [Download] | [Download] |
| Solar | 1.71 | 2.48 | 0.61 | 2.23 | [Download] | [Download] |
| TW-Hya | 1.91 | 2.74 | 0.55 | 2.44 | [Download] | [Download] |
Photoionisation
| Radiation | γE2 | γexp | k0fit | γfit | Line data | Dust data |
|---|---|---|---|---|---|---|
| ISRF | 2.81 | 3.80 | 0.49 | 3.44 | [Download] | [Download] |
| Mathis | 2.85 | 3.84 | 0.48 | 3.47 | [Download] | [Download] |
| 4000K | 2.51 | 3.46 | 0.53 | 3.14 | [Download] | [Download] |
| 10000K | 2.75 | 3.73 | 0.49 | 3.37 | [Download] | [Download] |
| 20000K | 2.86 | 3.85 | 0.48 | 3.49 | [Download] | [Download] |
| Lyman-alpha | - | - | - | - | ||
| Solar | 3.19 | 4.24 | 0.46 | 3.86 | [Download] | [Download] |
| TW-Hya | 3.02 | 4.03 | 0.46 | 3.64 | [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.]