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Table 10:

Parameters of the ammonia cores derived from the VLA maps.

Name 		$\Theta_{\rm HP}$a $\Theta_{\rm S}$a D $M_{\rm NH_3}$a $M_{\rm vir}$a $n_{\rm H_2}$a $X_{\rm NH_3}$a
  ( $\hbox{$^{\prime\prime}$ }$) ( $\hbox{$^{\prime\prime}$ }$) (103 AU) (10-6 $M_{\odot}$) ($M_{\odot}$) (109 cm-3) (10-9)
G12.22-0.12A 1.6 0.8 12.1 120.8 303 0.10 46
G12.22-0.12B 1.6 0.8 12.1 48.3 187 0.06 30
G12.22-0.12M $\sim$1.5 $\le$0.5 $\le$8.1 15.6 53 0.07 35
G31.28+0.06 1.3 0.5 4.0 2.9 36 0.34 9
G35.20-0.74A $\sim$1.2 $\le$0.3 $\le$0.6 0.05 2 0.01 3
G35.20-0.74B $\sim$1.2 $\le$0.3 $\le$0.6 0.01 4 0.03 $\sim$1
G48.61+0.02 1.4 0.5 8.2 147.3 337 2.20 51
G75.78+0.34 $\sim$1.3 $\le$0.3 $\le$1.2 0.1 13 4.40 1

Notes. (a) When the ammonia cores are not spatially resolved, $\Theta_{\rm HP}$ is equal to the HPBWs of the NH3(2, 2) and (3, 3) maps, whereas we arbitrarily assume that HPBW/3 is an upper limit (used to derive the parameters listed in the table) of $\Theta_{\rm S}$ (see text).


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