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Table 6

C18O J = 2–1 integrated intensities within RK box as defined in Table 5.

TMC1A TMC1 TMR1 L1536

a [Jy km s-1] 1.93 0.63 0.26 0.17
Mdisk gas 75 24 10 6.8
Mdisk dustb 41–49 4.6–5.4 10–15 19–24

Notes. Disk masses [10-3M] inferred from the gas lines and continuum.

(a)

Typical errors are 0.03–0.04 Jy km s-1.

(b)

Disk masses from the range of dust masses obtained with the different methods in Sects. 4.1 and 4.2 with a gas-to-dust ratio of 100.

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