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Table 8

Molecular gas, stellar masses, and gas fraction for the different objects observed with the IRAM 30 m.

NGC 541 3C 285 3C 285/09.6 MO

Mgas(108 M) 1.7 103 < 6.2 < 0.1
M(109 M) 470 420 1.9 0.019
f gas 0.0004 0.025 < 0.326 < 0.53
SFR(M yr-1) 0.095 14.53 0.62 0.47
tdep(Gyr) 1.79 0.71 < 1.0 < 0.02
sSFR(10-2Gyr-1) 0.02 3.5 33 ~2500

Notes. The stellar masses are calculated with the mass-to-light ratio (Bell & de Jong 2001). The depletion time is computed from the CO-derived gas masses and the SFR.

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