Physical structure and water line spectrum predictions of the intermediate mass protostar OMC2-FIR4

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Volume 506 / No 3 (November II 2009)

A&A, 506 3 (2009) 1229-1241

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Table 3:

Summary of the dust radiative transfer analysis of OMC2-FIR4.
Fixed input parameters
Distance, d	$437~{\rm pc}$
Stellar temperature, $T_{\star}$	$5000~{\rm K}$
Dust temperature at $r_{{\rm i}}$ , $T_{{\rm d}}(r_{{\rm i}})$	$300~{\rm K}$
Dust opacity (OH5) at 100 $\mu$ m, $\kappa_{100}$	$86.5~{\rm cm}^2~{\rm g}^{-1}$
Best fit parameters
Luminosity, L	$1000~{L}_{\hbox{$\odot$ }}$
Dust optical depth at 100 $\mu$ m, $\tau _{100}$	0.6
Density power-law index, $\alpha$	0.6
Envelope thickness, $r_{{\rm out}}$ / $r_{{\rm i}}$	120
Physical quantities
Inner envelope radius, $r_{{\rm in}}$	$100~{\rm AU}$
Outer envelope radius, $r_{{\rm out}}$	$12000~{\rm AU}$
Radius at T $_{\rm dust} = 100$ K, $r_{{\rm 100~K}}$	$440~{\rm AU}$
H₂ density at $r_{{\rm 100~K}}$ , n₀	$4.3\times 10^{6}~{\rm cm}^{-3}$
Envelope mass, $M_{{\rm env}}$	$30~{M}_{\odot}$

The first part lists the fixed input parameters, the second part reports the best-fit parameters, and some relevant physical quantities corresponding to the best-fit model are reported in the third part.

Source LaTeX | All tables | In the text

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