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Home All issues Volume 641 (September 2020) A&A, 641 (2020) A114 Full HTML
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Table 3.

Parameters of interstellar clouds.

Type R T n0 v r0 Ablate?
[cm] [K] [cm−3] [cm s−1] [cm]
(a) Giant molecular clouds 7.7 × 1019 15 2.0 × 108 5.0 × 108 3.0 × 1015 Yes
(b) Dark clouds 1.5 × 1019 10 5.0 × 108 5.0 × 108 1.5 × 1015 Yes
(c) Clumps 1.0 × 1019 10 1.0 × 109 5.0 × 108 1.1 × 1015 Yes
(d) Bok globules 1.2 × 1018 10 4.0 × 1010 5.0 × 108 1.7 × 1014 Yes
(e) Dense cores 1.5 × 1017 10 1.0 × 1010 5.0 × 108 3.4 × 1014 Yes
(f) Hot cores 1.0 × 1017 200 1.0 × 1014 5.0 × 108 1.5 × 1013 Yes

Notes. The scale height r0 was calculated from the other parameters and not a free parameter. R – cloud radius; T – cloud temperature; n0 – cloud density; v – cloud speed; r0 – derived cloud scale height; Ablate? – If the cloud and jet parameters (Table 1) fulfill Eqs. (7) and (8).

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