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Table 4.

Molecular gas properties.

Galaxy ID zspec CO(J → J–1) νobs SCO(J → J − 1) M(H2) τdep τdep, MS
(GHz) (Jy km s−1) (1010M) (109 yr) (109 yr)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
DES-RG 399 0.388439 3→2 249.054 <1.5 <1.0 <0.48 <0.11 0.12 ± 0.11
DES-RG 708 0.60573 3→2 215.351 <1.5 <2.6 <0.23 <0.09 0.13 ± 0.11
COSMOS-FRI 16 0.9687 4→3 234.185 <5.5 <18.8 <7.2 <1.5 0.32 ± 0.22
COSMOS-FRI 31 0.9123 4→3 241.036 <5.2 <15.8 <1.8 0.33 ± 0.24
COSMOS-FRI 70 2.625 7→6 222.525 0.69 ± 0.31 <6.6 <0.27 <0.29 0.71 ± 0.28

Notes. (1) Galaxy name; (2) spectroscopic redshift as in Table 3; (3)–(4) CO(J → J–1) transition and observer frame frequency; (5) CO(J → J–1) velocity integrated flux; (6) molecular gas mass; (7) depletion time scale τdep = M(H2)/SFR24 μm; (8) molecular gas to stellar mass ratio; (9)–(10) depletion time scale and molecular gas to stellar mass ratio for main sequence field galaxies (Tacconi et al. 2018). Upper limits are reported at 3σ.

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