Table 2:

Parameters of single and two protostellar envelope (PE) models.

Parameter
Single PE PE 1 PE 2
Outer radius (AU) 12 000 12 000 12 000
Luminosity ($L_{\odot}$) 105 $5 \times 10^4$ $5 \times 10^4$
Mass ($M_{\odot}$) 250 125 125
$X_{\textrm{\tiny {H$_2$ O}}}$ $2\times10^{-8}$ $1.8\times10^{-8}$ $8\times10^{-10}$
Post-jump $X_{\textrm{\tiny {H$_2$ O}}}$ $1\times10^{-4}$ $1\times10^{-4}$ $1\times10^{-4}$
$V_{\textrm{\tiny {tur}}}$ (km s-1) 2.0 0.4 0.5
$V_{\textrm{\tiny {exp}}}$ (km s-1) 2.0 1.1 1.2
$V_{{\rm LSR}}$ (km s-1) -38 -37.0 -40.5


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