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Table A.2

Heating/cooling rates.

Process Rate Reference


Collisional excitation cooling AZAN96
Collisional ionization cooling 2.18 × 10-11k1nenH AZAN96
2.18 × 10-11k1nenH
3.94 × 10-11k3nenHe
Recombination cooling AZAN96
Bremsstrahlung cooling AZAN96
Compton cooling 5.65 × 10-36(1 + z)4 [T − 2.75(1 + z)]ne AZAN96
Molecular hydrogen cooling see reference GP98
HD cooling see reference LNA05
H2 Photodissociation heating AAZ97
Solomon process Γ = 6.4 × 10-13H2k27
Direct heating
Gas-phase H2 formation heating GJ07
H2 Collisional dissociation cooling Λ = 7.2 × 10-12(k9nH    + k10nH2)nH2 GJ07
Cooling from electronic states of hydrogen see reference SSG10

Notes. T denotes the gas temperature in Kelvin, Tn the gas temperature in 10n, Tr the temperature of radiation in K. dex(x) = 10x.

References. Acronyms: AAZN97: Abel et al. (1997); GJ07: Glover & Jappsen (2007); GP98: Galli & Palla (1998); AZAN96: Anninos et al. (1996); LNA05: Lipovka et al. (2005); SSG10: Schleicher et al. (2010).

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