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Table 4

Gas mass estimates.

Source Fv (a) (mJy) Tmed (K) Mgas(Tmed) (M) Mgas (M)
IRAS 23151 54 99 3.4 3.6
IRAS 23033 MMS 1b 47 84 3.9 3.9
AFGL2591 156 132 7.1 6.2
G75.78 123 102 9.7 8.1
IRAS 21078 301 120 3.2 3.3
G094 27 131 2.8 3.0
CepA 457 212 0.8 0.6
NGC 7538 IRS9 55 212 0.9 1.2
W3(H2O)E 669 149 9.9 9.4
W3(H2O)W 544 148 8.1 7.0
IRAS 23385 96 72 18.3 19.1

Pilot study
NGC 7538IRS1 2341(*) 155 53.9 31.7
NGC 7538 S 67 132 2.0 1.8

Notes. (a) Continuum flux density at 1.37 mm within 6σ threshold (see text for details).(*) Subtracting the free-free contribution corresponds to a flux density of 2078 mJy at 1.37 mm (see text for details). Gas masses are calculated using the continuum emission maps with the free-free contribution subtracted.

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