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Table 2:

Results of Simline modelling where $\alpha _2$ is the density profile exponent at the transition to the subthermal layer and X(HCO+ the HCO+ abundance.
  Clump-14 Clump-16
total mass 4900 $M_\odot$ 3346 $M_\odot$
size 0.52 pc 0.615 pc
density profile ($\alpha _2$) -8.0 -8.0
mass-averaged T 20 K 15 K
$\beta$ -0.6 -0.5
line width 2.5 km s-1 1.5 km s-1
X(HCO+) $2.5\times10^{-9}$ $2.5\times10^{-9}$
12C/13C 67 67
depletion ratio 7 28
$\tau_{\rm HCO^+}$ 25 26
$\tau_{\rm H^{13}CO^+}$ 0.81 0.99
$v_{\rm inf}$ -0.6 km s-1 -0.5 km s-1

Source LaTeX | All tables | In the text

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