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Home All issues Volume 518 (July-August 2010) A&A, 518 (2010) L125 Full HTML

 

 

Table 2:

Disk parameters for the modeling.

Fixed parameters
    Inner cavity Outer ring
Stellar mass M*($M_\odot$) 0.6
Stellar luminosity L*($L_\odot$) 0.23
Effective temperature $T_{{\rm eff}}$(K) 4000
Solid material mass density $\rho_{{\rm dust}}$(g cm-3) 3.5
Inner radius $R_{{\rm in}}$(AU) 0.25 4
Outer radius $R_{{\rm out}}$(AU) 4 196
ISM UV field $\chi$ 1.0
$\alpha$viscosity parameter $\alpha$ 0.0
Turbulent velocity $v_{{\rm turb}}$(km s-1) 0.05
Disk inclination i 7
CO isotopologue ratio [12CO]/[13CO] 69

MCFOST best fit parameters

Column density index 		$\epsilon$ 1
Reference scale height H0(AU) 2.0 10.0
Reference radius   100 100
Flaring index $\gamma$ 0.6 1.12
Minimum grain size $a_{{\rm min}}$($\mu $m) $3 \times 10^{-2}$
Maximum grain size $a_{{\rm max}}$(cm) 10
Dust size distribution index p 3.4
Dust mass (a<1 mm) $M_{{\rm dust}}$($M_\odot$) $1.2 \times 10^{-9}$ $1.9 \times 10^{-4}$
Solid mass $M_{{\rm solid}}$($M_\odot$) $2.0 \times 10^{-8}$ $3.0 \times 10^{-3}$

ProDiMo parameter range

Disk gas mass 		$M_{\rm gas}$($M_\odot$) $3 \times 10^{-4}$-0.3
UV excess $F_{{\rm UV}}$ 0.018
Fraction of PAHs w.r.t. ISM $f_{\rm PAH}$ 0.01, 0.1
Cosmic ray flux $\zeta$(s-1) (1.7-17) $\times$ 10-17


Source LaTeX | All tables | In the text

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