Table 1: Parameters for low-mass protostellar envelopes.
Variables
$n_{\rm {H}_2}$(1000 AU) (106 cm-3) 0.4, 1, 5
p 1.5, 2.0
Luminosity ($L_{\odot }$) 2, 7, 25
X0 (water) 10-4, 10-6
$X_{\rm {d}}$ (water) 10-6, 10-7, 10-8
Fixed parameters
Distance 150 pc
Stellar temperature 5000 K
Gas temperature = $T_{\rm {dust}}$
$R_{\rm {in}}$ (inner radius) 250 K
$R_{\rm {out}}$ (outer radius) 200 $R_{\rm {in}}$
r0 1000 AU
Water freeze-out 100 K
o:p ratio H2Oa 3:1
o:p ratio H2 1:1
Dust properties OH 5b
Velocity dispersion $\Delta V$ 1.67 km s-1
a For the L483 models, ortho-, and para-water were modeled independently. See Sect. 3;
b see Ossenkopf & Henning (1994) Col. 5.

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