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Table 4:

Column ionization rates for electron precipitation with Maxwellian spectra of different characteristic energies.
Species This work Perry et al. (1999)
  1 keV 50 keV 50 keV

e- 		$2.00 \times 10^{11}$ $1.86 \times 10^{11}$ $1.83 \times 10^{11}$
H+ from H $8.57 \times 10^8$ $1.03 \times 10^7$ $2.38 \times 10^7$
H2+ $1.92 \times 10^{11}$ $1.78 \times 10^{11}$ $1.70 \times 10^{11}$
H+ from H2 $7.59 \times 10^9$ $2.49 \times 10^9$ $6.74 \times 10^9$
He+ $1.89 \times 10^8$ $5.08\times 10^{9}$ $6.12 \times 10^9$
He++ $1.28 \times 10^7$ $1.57 \times 10^8$  
CH4+ $5.57 \times 10^3$ $1.80 \times 10^8$ $6.12 \times 10^7$
CH3+ $4.28 \times 10^3$ $1.38 \times 10^8$ $5.84 \times 10^7$
CH2+ $7.21 \times 10^2$ $2.05 \times 10^7$ $8.28 \times 10^6$
H (neutral dissociation of H2) $1.18 \times 10^{11}$ $1.12 \times 10^{11}$  


Source LaTeX | All tables | In the text

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