Free Access

Table 2

Table of modeling parameters.

Parameter Symbol Value

Stellar mass M 1 M
Effective temperature T eff 5770 K
Stellar luminosity L 1 L

Disk mass M D 0.01 M
Inner disk radius R in 0.5 AU
Outer disk radius R out 500 AU
Gas surface density power law index ϵ 1.5
Dust-to-gas mass ratio ρd/ρg 0.01
Minimum dust grain size a min 0.1 μm
Maximum dust grain size a max 10 μm
Mean molecular weight μ 1.35
Dust grain size power law index p 3.5
Dust material mass density ρ gmd 2.5 g cm-3
Dust grain albedo (UV) ω 0.57
Dust opacity (UV) κ UV 6.8 × 103 cm2 g-1
Cosmic ray ionization rate (H2) ζ H2 5 × 10-17 s-1

Number of active layers N Lay 2
Adsorption site area A site 6.67 × 10-16 cm2

C adsorption energy 630 K
CO adsorption energy 960 K
CO2 adsorption energy 2000 K
CH3 adsorption energy 920 K
CH4 adsorption energy 1100 K
O adsorption energy 630 K
O2 adsorption energy 960 K
OH adsorption energy 1000 K
H2O adsorption energy 4800 K
Si adsorption energy 2100 K
SiH adsorption energy 2300 K
SiO adsorption energy 2800 K
Fe adsorption energy 3300 K
Mg adsorption energy 4200 K

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.