NH2CHO

Cross sections

Cross section figure.


[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 2.70e-09 5.17e-10
Mathis 1.79e-09 4.00e-10
4000K 2.35e-09 2.75e-14
10000K 3.10e-09 4.94e-11
20000K 2.78e-09 4.58e-10
Lyman-alpha 2.87e-09 2.95e-11
Solar 2.73e-09 1.99e-11
TW-Hya 3.04e-09 1.55e-10
Cosmic ray UV 2.95e-13 4.06e-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 1.64 2.40 0.58 2.13 [Download] [Download]
Mathis 1.64 2.40 0.57 2.13 [Download] [Download]
4000K 1.58 2.31 0.63 2.08 [Download] [Download]
10000K 1.55 2.27 0.63 2.04 [Download] [Download]
20000K 1.61 2.36 0.59 2.10 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 1.62 2.37 0.62 2.13 [Download] [Download]
TW-Hya 1.75 2.55 0.55 2.26 [Download] [Download]

Photoionisation

Radiation γE2 γexp k0fit γfit Line data Dust data
ISRF 2.62 3.57 0.48 3.21 [Download] [Download]
Mathis 2.66 3.61 0.47 3.24 [Download] [Download]
4000K 2.30 3.20 0.55 2.90 [Download] [Download]
10000K 2.52 3.45 0.50 3.10 [Download] [Download]
20000K 2.67 3.63 0.47 3.25 [Download] [Download]
Lyman-alpha 2.11 2.97 0.58 2.70 [Download] [Download]
Solar 2.88 3.84 0.40 3.38 [Download] [Download]
TW-Hya 2.61 3.54 0.43 3.13 [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.]