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Table A.4

Observed and fitted properties of the C18O J = 9–8 narrow line profiles for the detected sources.

Source FWHM rmsa NH2c
(K km s-1) (K) (km s-1) (mK) (cm-2)

Low-mass: Class 0
NGC 1333 IRAS 2A 0.21 0.07 2.0 20 1.2 × 1021
Ser SMM 1 0.70 0.13 3.0 23 4.1 × 1021

Low-mass: Class I
L 1551 IRS 5 0.22 0.10 3.1 24 1.3 × 1021
GSS 30 IRS1 0.23 0.06 2.2 25 1.4 × 1021
Elias 29 0.40 0.08 3.9 30 2.3 × 1021

Intermediate-mass
Vela IRS 19 0.37 0.11 3.2 24 2.2 × 1021
Vela IRS 17 0.69 0.16 2.8 25 4.0 × 1021
NGC 2071 2.97 0.41 4.6 25 1.7 × 1022
AFGL 490 0.45 0.08 5.4 20 2.6 × 1021

High-mass
IRAS 05358+3543 0.93 0.22 4.0 56 5.4 × 1021
IRAS 16272−4837 1.18 0.14 5.9 55 6.9 × 1021
NGC 6334-I(N) 1.82 0.37 3.9 55 1.1 × 1022
W43-MM1 1.81 0.29 5.9 49 1.0 × 1022
DR21(OH) 9.11 1.51 5.5 57 5.3 × 1022
W3-IRS5 25.43 4.80 4.2 66 1.5 × 1023
IRAS 18089−1732 3.26 0.52 4.1 53 1.9 × 1022
W33A 3.17 0.43 4.8 46 1.9 × 1022
IRAS 18151−1208 0.60 0.24 4.2 54 3.5 × 1021
AFGL2591 4.56 1.21 3.1 39 2.7 × 1022
G327−0.6 6.16 0.83 6.1 57 3.6 × 1022
NGC 6334-I 10.97 2.00 5.0 54 6.4 × 1022
G29.96−0.02 7.50 1.41 4.3 41 4.4 × 1022
G31.41+0.31 5.26 0.73 6.0 36 3.1 × 1022
G5.89−0.39d 31.35 2.13 5.9 51 1.8 × 1023
G10.47+0.03d 5.71 0.53 6.4 79 1.1 × 1023
G34.26+0.15 16.26 2.53 5.5 49 9.5 × 1022
W51N-e1d 15.22 1.83 5.7 48 8.9 × 1022
NGC 7538-IRS1 6.32 1.37 4.0 48 3.7 × 1022

Notes.

(a)

In 0.27 km s-1 bins.

(b)

Integrated over the entire line.

(c)

Column density of H2 calculated for an excitation temperature of 75 K and a C18O/H2 abundance ratio of 5 × 10-7.

(d)

Two Gaussian fit. Only the values from the narrow velocity component are presented.

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