C₃H₃

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	6.30e-10	1.84e-09
Mathis	4.55e-10	1.27e-09
4000K	3.28e-07	5.86e-12
10000K	3.35e-09	4.55e-10
20000K	7.52e-10	1.52e-09
Lyman-alpha	0.00e+00	3.64e-09
Solar	2.78e-07	1.57e-10
TW-Hya	1.08e-09	2.49e-09
Cosmic ray UV	8.62e-15	1.79e-13

[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	1.21	2.02	0.55	1.72	[Download]	[Download]
Mathis	1.12	1.88	0.56	1.59	[Download]	[Download]
4000K	0.89	1.41	0.72	1.25	[Download]	[Download]
10000K	1.18	1.96	0.56	1.67	[Download]	[Download]
20000K	1.39	2.21	0.56	1.92	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	0.91	1.45	0.70	1.27	[Download]	[Download]
TW-Hya	0.99	1.66	0.61	1.41	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.02	2.88	0.51	2.54	[Download]	[Download]
Mathis	2.04	2.90	0.51	2.56	[Download]	[Download]
4000K	1.77	2.55	0.60	2.30	[Download]	[Download]
10000K	1.89	2.71	0.56	2.42	[Download]	[Download]
20000K	2.02	2.87	0.51	2.54	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	2.08	2.94	0.56	2.65	[Download]	[Download]
TW-Hya	2.09	2.95	0.57	2.67	[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.]