CH₃OH

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	1.38e-09	3.11e-10
Mathis	9.46e-10	2.45e-10
4000K	1.23e-10	5.48e-15
10000K	5.34e-10	2.52e-11
20000K	1.19e-09	2.84e-10
Lyman-alpha	2.18e-09	0.00e+00
Solar	2.11e-10	1.65e-11
TW-Hya	1.65e-09	1.07e-10
Cosmic ray UV	1.60e-13	2.41e-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	1.92	2.76	0.50	2.41	[Download]	[Download]
Mathis	1.94	2.79	0.49	2.43	[Download]	[Download]
4000K	1.56	2.29	0.64	2.06	[Download]	[Download]
10000K	1.69	2.46	0.58	2.18	[Download]	[Download]
20000K	1.89	2.72	0.50	2.38	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	1.70	2.49	0.56	2.20	[Download]	[Download]
TW-Hya	2.00	2.85	0.54	2.54	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.80	3.78	0.48	3.42	[Download]	[Download]
Mathis	2.83	3.82	0.48	3.45	[Download]	[Download]
4000K	2.51	3.45	0.53	3.14	[Download]	[Download]
10000K	2.73	3.70	0.49	3.35	[Download]	[Download]
20000K	2.84	3.83	0.48	3.47	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	3.19	4.23	0.45	3.83	[Download]	[Download]
TW-Hya	3.02	4.03	0.45	3.63	[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.]