Estimate of the neutral atoms' contribution to the Mercury exosphere caused by a new flux of micrometeoroids

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Table 4:

Comparison of the production rate S_i of released elements caused by micrometeoritic impacts.
	Cintala	Dermott et al.		Wiegert et al.
		BM-LB	BM-G	BM-LB	BM-G
Na	$9.1000\times 10^{5}$	$3.9417\times 10^{8}$	$2.2008\times 10^{8}$	$2.3889\times 10^{7}$	$1.338\times 10^{7}$
K	$1.8305\times 10^{4}$	$7.9291\times 10^{6}$	$4.4271\times 10^{6}$	$4.8055\times 10^{5}$	$2.6831\times 10^{5}$
Mg	$2.7861\times 10^{5}$	$1.2068\times 10^{8}$	$6.7381\times 10^{7}$	$7.3141\times 10^{6}$	$4.0837\times 10^{6}$
Ca	$1.0948\times 10^{6}$	$4.7423\times 10^{8}$	$2.6478\times 10^{8}$	$2.8741\times 10^{7}$	$1.6047\times 10^{7}$

Notes. Here we consider the estimate of the flux given by Cintala (1992) tuned by the fraction of dust of asteroidal origin given by Dermott et al. (2002) and Wiegert et al. (2009), respectively. The assumed mineralogical surface composition follows from Cremonese et al. (2005). S_i is given in N cm^-2 s^-1.

References. (1) Cintala (1992); (2) Dermott et al. (2002); (3) Cremonese et al. (2005); (4) Wiegert et al. (2009).

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