Incorporation of stochastic chemistry on dust grains in the Meudon PDR code using moment equations - I. Application to the formation of H2 and HD

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Table 2:

The parameters used in the model. Numbers in parentheses refer to powers of ten. $N_{\rm H}$ is the total column density of protons (N(H) + 2 N(H₂)) and $A_{\rm v}$ is the visual extinction.
Gas parameter		Dust parameter
$n_{\rm H}$ (cm^-3)	100	$a_{\min}$ (cm)	3(-7)
$T_{\rm gas}$	70	$a_{\max}$ (cm)	3(-5)
$\zeta$ (s^-1)	5(-17)	q	3.5
$\chi$ (Draine unit)	1	material	amorphous carbon
D/H	1.5(-5)	$\gamma$	1
C/H	1.34(-4)	G	0.01
O/H	3.19(-4)	total visual magnitude	1
N/H	7.5(-5)	$N_{\rm H}$ / $A_{\rm v}$	1.871(21) cm^-2/magnitude
S/H	1.86(-5)	$T_{\rm dust}$	fixed [8-20 K]
Fe/H	1.5(-8)

Source LaTeX | All tables | In the text

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