l-C₃H₂

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]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s^-1)

Radiation	Photodissociation	Photoionisation
ISRF	4.13e-09	—
Mathis	2.68e-09	—
4000K	6.68e-09	—
10000K	3.65e-09	—
20000K	3.89e-09	—
Lyman-alpha	2.29e-09	—
Solar	7.25e-09	—
TW-Hya	3.13e-09	—
Cosmic ray UV	3.35e-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	1.74	2.51	0.60	2.26	[Download]	[Download]
Mathis	1.74	2.51	0.60	2.26	[Download]	[Download]
4000K	1.74	2.50	0.63	2.27	[Download]	[Download]
10000K	1.69	2.45	0.61	2.21	[Download]	[Download]
20000K	1.72	2.50	0.60	2.24	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	1.75	2.51	0.63	2.28	[Download]	[Download]
TW-Hya	1.82	2.62	0.57	2.34	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	-	-	-	-
Mathis	-	-	-	-
4000K	-	-	-	-
10000K	-	-	-	-
20000K	-	-	-	-
Lyman-alpha	-	-	-	-
Solar	-	-	-	-
TW-Hya	-	-	-	-

[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.]