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Table 3
H2 mass, relative amount of H2, and H2 depletion time of 3D-HST GS30274 derived by adopting the following approaches; [CI]: an H2 mass based on atomic carbon; CO: an H2 mass based on the CO J = 3–2 luminosity; dust mass: an H2 mass based on the inferred dust mass from SED fitting in combination with a gas-to-dust ratio.
| Approach | H2 mass (1010M⊙) | MH2/ (MH2 + M∗) | H2 depletion time (Myr) |
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| [CI] | 3.0 ± 0.3 | 0.14 ± 0.01 | 140 ± 30 |
| CO starburst αCO | 1.7 ± 0.1 | 0.08 ± 0.005 | 80 ± 17 |
| Dust mass | <0.7 ± 0.2 | <0.04 ± 0.01 | <30 ± 10 |
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