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Table A.5

Column densities, expected C18O abundances and gas-to-dust ratios for the subsample of the TOP100 selected for this work.

Source NC18O a γ γbf NH2 b
[10x cm-2] [10-8] [1022 cm-2]

AGAL010.472+00.027 16.66 ± 0.04
AGAL010.624–00.384 17.16 ± 0.05
AGAL012.804–00.199 17.01 ± 0.04
AGAL013.658–00.599 16.05 ± 0.04
AGAL015.029–00.669 16.87 ± 0.07
AGAL019.882–00.534 16.21 ± 0.06
AGAL028.861+00.066 16.50 ± 0.04
AGAL030.818–00.056 16.39 ± 0.10
AGAL031.412+00.307 16.64 ± 0.04
AGAL034.258+00.154 17.02 ± 0.05
AGAL034.401+00.226 16.43 ± 0.05
AGAL034.411+00.234 16.03 ± 0.04
AGAL034.821+00.351 16.24 ± 0.05
AGAL035.197–00.742 16.35 ± 0.04
AGAL037.554+00.201 16.14 ± 0.04
AGAL043.166+00.011 17.28 ± 0.05
AGAL049.489–00.389 17.15 ± 0.06
AGAL053.141+00.069 16.27 ± 0.04
AGAL059.782+00.066 16.03 ± 0.04
AGAL301.136–00.226 16.63 ± 0.04
AGAL305.209+00.206 16.50 ± 0.05
AGAL305.562+00.014 16.56 ± 0.09
AGAL309.384–00.134 16.25 ± 0.12
AGAL310.014+00.387 16.21 ± 0.08
AGAL313.576+00.324 16.22 ± 0.09
AGAL316.641–00.087 15.81 ± 0.08
AGAL326.661+00.519 16.42 ± 0.08
AGAL327.119+00.509 16.35 ± 0.08
AGAL327.293–00.579 17.11 ± 0.08
AGAL327.393+00.199 15.92 ± 0.08
AGAL328.809+00.632 17.04 ± 0.08
AGAL329.066–00.307 15.71 ± 0.08
AGAL330.879–00.367 16.98 ± 0.06
AGAL330.954–00.182 17.24 ± 0.07
AGAL332.094–00.421 16.56 ± 0.05
AGAL332.826–00.549 17.13 ± 0.07
AGAL333.134–00.431 17.10 ± 0.06
AGAL333.284–00.387 16.81 ± 0.09
AGAL333.314+00.106 16.10 ± 0.09
AGAL333.604–00.212 16.86 ± 0.06
AGAL337.406–00.402 16.98 ± 0.08
AGAL337.704–00.054 16.65 ± 0.08
AGAL337.916–00.477 17.09 ± 0.06
AGAL339.623–00.122 16.20 ± 0.08
AGAL340.746–01.001 16.02 ± 0.08
AGAL341.217–00.212 16.24 ± 0.07
AGAL343.128–00.062 16.77 ± 0.07
AGAL345.003–00.224 16.61 ± 0.08
AGAL345.488+00.314 16.79 ± 0.05
AGAL345.504+00.347 16.72 ± 0.08
AGAL345.718+00.817 16.11 ± 0.09
AGAL351.161+00.697 16.71 ± 0.07
AGAL351.244+00.669 16.93 ± 0.07
AGAL351.416+00.646 16.99 ± 0.10
AGAL351.581–00.352 16.88 ± 0.04
AGAL351.774–00.537 17.13 ± 0.06
AGAL353.409–00.361 16.93 ± 0.08

Notes. The uncertainties reported for each quantity are calculated using the limiting cases for the C18O abundance discussed in the text. The values of the gas-to-dust ratio obtained with the best-fit relation in Eq. (2) are reported in the γbf column.

(a)

Calculated multiplying the measured C17O column density by a factor of 4 (see Giannetti et al. 2014).

(b)

The surface density of gas is obtained multiplying NH2 by the mean molecular mass μmH.

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