CS

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	2.69e-09	1.10e-10
Mathis	1.73e-09	8.38e-11
4000K	6.31e-11	1.70e-15
10000K	1.37e-09	9.01e-12
20000K	2.38e-09	9.77e-11
Lyman-alpha	1.34e-09	0.00e+00
Solar	1.17e-10	3.47e-12
TW-Hya	1.47e-09	2.72e-11
Cosmic ray UV	1.51e-13	7.63e-15

[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	1.75	2.53	0.60	2.27	[Download]	[Download]
Mathis	1.76	2.53	0.60	2.27	[Download]	[Download]
4000K	1.64	2.38	0.61	2.14	[Download]	[Download]
10000K	1.72	2.49	0.60	2.23	[Download]	[Download]
20000K	1.75	2.52	0.60	2.27	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	1.79	2.59	0.57	2.31	[Download]	[Download]
TW-Hya	1.88	2.69	0.57	2.41	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.79	3.79	0.50	3.44	[Download]	[Download]
Mathis	2.82	3.81	0.50	3.46	[Download]	[Download]
4000K	2.61	3.58	0.53	3.27	[Download]	[Download]
10000K	2.75	3.73	0.51	3.40	[Download]	[Download]
20000K	2.83	3.83	0.49	3.48	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	3.05	4.08	0.46	3.69	[Download]	[Download]
TW-Hya	2.92	3.93	0.48	3.56	[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.]