HCOOH

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	2.03e-09	2.78e-10
Mathis	1.35e-09	2.18e-10
4000K	1.20e-08	2.74e-15
10000K	1.28e-09	2.11e-11
20000K	1.84e-09	2.57e-10
Lyman-alpha	1.79e-09	0.00e+00
Solar	1.41e-08	1.50e-11
TW-Hya	1.77e-09	9.92e-11
Cosmic ray UV	2.04e-13	2.05e-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	2.57	0.53	2.25	[Download]	[Download]
Mathis	1.76	2.58	0.53	2.25	[Download]	[Download]
4000K	1.02	1.57	0.72	1.41	[Download]	[Download]
10000K	1.52	2.28	0.58	2.01	[Download]	[Download]
20000K	1.73	2.53	0.54	2.23	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	1.03	1.58	0.71	1.42	[Download]	[Download]
TW-Hya	1.78	2.62	0.52	2.29	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.91	3.93	0.50	3.58	[Download]	[Download]
Mathis	2.93	3.96	0.50	3.61	[Download]	[Download]
4000K	2.72	3.70	0.52	3.38	[Download]	[Download]
10000K	2.87	3.88	0.50	3.54	[Download]	[Download]
20000K	2.94	3.96	0.50	3.62	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	3.21	4.28	0.47	3.90	[Download]	[Download]
TW-Hya	3.08	4.12	0.47	3.75	[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.]