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Table 6:

Masses and surface densities of the clumps identified in the FCRAO 13CO(1-0) emission.

Clump
$N_{^{13}{\rm CO}}$ $M_{\rm LTE}$(c)   
$\Sigma_{\rm LTE}$   
$n_{\rm LTE}$(c)   $M_{\rm VIR}$(c)    $\Sigma_{\rm VIR}$(c) $n_{\rm VIR}$(c) 
  ($\times$1015 cm-2) ($\times$ $10^2~M_{\odot}$) (g cm-2) ($\times$102 cm-3) ($\times$ $10^2~M_{\odot}$) (g cm-2) ($\times$102 cm-3)
(1) (2) (3) (4) (5) (6) (7) (8)
co1 47.5 34.6 0.10 37.2 164.9 0.49 177.1
co2 37.9 52.4 0.08 21.5 128.9 0.20 52.9
co3 34.5 192.3 0.08 9.8 230.9 0.09 11.7
co4a 4.9 10.8 0.01 2.6 3.2 0.003 0.8
co5b 25.4 117.6 0.06 7.9 20.3 0.01 1.4
co6 27.3 63.8 0.06 11.9 381.0 0.35 71.4
co7 29.1 25.2 0.06 17.5 83.5 0.19 58.0
co8 21.3 16.9 0.05 16.0 89.9 0.25 85.2
co9 13.2 11.3 0.03 9.5 41.1 0.10 34.7
co10 b 22.0 94.9 0.04 5.9 342.7 0.15 21.4
co11 b 20.8 144.3 0.04 4.4 251.6 0.07 7.7
co12 b 21.5 12.4 0.04 15.9 96.0 0.32 123.4
co13 20.7 39.5 0.04 8.4 88.4 0.09 18.9
co14 b 33.6 38.0 0.06 15.9 71.6 0.11 30.0
co15 12.3 19.9 0.02 5.5 27.6 0.03 7.5
co16 11.6 47.7 0.02 2.9 22.4 0.01 1.4
co17b 19.7 32.6 0.04 7.7 59.5 0.06 14.0
co18 15.7 31.5 0.03 5.6 117.2 0.11 20.8
co19 a 5.3 4.7 0.01 3.2 7.6 0.02 5.1

Notes. Column (1): Clump; Cols. (2)-(4): column density, LTE mass and surface density for $T_{\rm ex} = 20$ K; Col. (5) Density from the LTE mass; Cols. (6)-(7): virial mass and surface density; Col. (8) Density from the virial mass. (a) The parameters are derived from a high velocity resolution resample (0.5 km s-1); (b) the values are derived from the BU-FCRAO GRS data, because the clump is at the edge of our map; (c) all the clumps are assumed to be at the far kinematic distances, except clump co14 and clump co17.


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