C

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]
[Photoionisation cross section — separate lines and continuum]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s^-1)

Radiation	Photodissociation	Photoionisation
ISRF	—	3.39e-10
Mathis	—	2.55e-10
4000K	—	5.69e-15
10000K	—	2.81e-11
20000K	—	2.96e-10
Lyman-alpha	—	0.00e+00
Solar	—	9.92e-12
TW-Hya	—	8.34e-11
Cosmic ray UV	—	2.60e-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	-	-	-	-
Mathis	-	-	-	-
4000K	-	-	-	-
10000K	-	-	-	-
20000K	-	-	-	-
Lyman-alpha	-	-	-	-
Solar	-	-	-	-
TW-Hya	-	-	-	-

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.77	3.76	0.50	3.42	[Download]	[Download]
Mathis	2.79	3.79	0.49	3.43	[Download]	[Download]
4000K	2.58	3.54	0.53	3.23	[Download]	[Download]
10000K	2.73	3.71	0.51	3.37	[Download]	[Download]
20000K	2.81	3.80	0.49	3.45	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	3.05	4.07	0.46	3.69	[Download]	[Download]
TW-Hya	2.90	3.90	0.48	3.53	[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.]