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Table 1

Molecular clouds and the derived properties.

Cloud a b Mtot [104M]b Nclumps

Star-forming clouds, physical resolution 0.1 pc
Ophiuchus 2.8 6.7 2.4 0.52 0.21 20
Taurus 4 7.7 2.2 0.99 0.09 33
Serpensc
Cha I 2.1 3.2 1.7 0.27 0.16 11
Cha II 2.1 3.2 1.8 0.11 0.17 7
Lupus III 3 4.1 1.7 0.08 0.07 18
CrA cloud 2.3 4.1 1.7 0.10 0.13 11
Lupus I 2.0 3.3 1.6 0.13 0.12 16
LDN1228d 2.1 3.1 1.5 0.15 0.09 4
Pipec
LDN134d 2.2 3.7 1.5 0.09 0.07 3
LDN204d 3.2 5.3 1.7 0.26 0.04 10
LDN1333d 3.1 5.0 1.5 0.25 0.01 9

Non-star-forming clouds, physical resolution 0.1 pc
LDN1719b 1.8 0.18
Musca 2.0 3.2 1.7 0.04 0.16 3
Cha III 2.1 5.5 1.7 0.12 0.11 26
Lupus V 1.8 0.28

Star-forming clouds, physical resolution 0.6 pc
Ori A GMC 3 5.6 2.2 9.2 0.20 15
Per cloud 3 4.9 2.0 1.4 0.12 10
Ori B GMC 2.1 5.4 1.9 7.0 0.19 35
Cepheus A 3.6 13 2.7 1.1 0.10 3
California 4.2 1.7 10 0.01 14

Notes. 

(a)

Extinction above which the contribution of the log-normal component to the PDF is less than 10%.

(b)

Calculated using the column density values above AV > 1 mag.

(c)

could not be defined properly for the cloud.

(d)

The most prominent Lynds Dark Nebula in the region.

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