Table 7.
Molecular gas mass fraction for CO-VG and CO-CS galaxies: Mean values for galaxies on the SFMS.
| log (MH2/M⋆) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| log(M⋆) [M⊙] | CO-VG |
CO-CS |
Δmean | σ | KS | ||||
| range | n/nup | mean | n/nup | mean | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | |||
| 9.0–9.5 | 28/11 | −0.95 ± 0.06 | 21/8 | −1.07 ± 0.04 | 0.12 ± 0.07 | 1.68 | 0.010 | ||
| 9.5–10.0 | 34/3 | −1.08 ± 0.04 | 11/1 | −1.15 ± 0.06 | 0.07 ± 0.07 | 0.91 | 0.263 | ||
| 10.0–10.5 | 32/2 | −1.23 ± 0.04 | 29/1 | −1.20 ± 0.04 | −0.03 ± 0.06 | −0.60 | 0.932 | ||
| 10.5–11.0 | 5/0 | −1.34 ± 0.11 | 23/0 | −1.26 ± 0.04 | −0.08 ± 0.11 | −0.69 | 0.525 | ||
| 11.0–11.5 | 1/0 | −1.31 | 1/0 | −1.42 | 0.10 | – | – | ||
Notes. (1) Stellar mass range in the bin. (2) and (4) n: Number of galaxies for the CO-VG and CO-CS sample, respectively, in the bin. nup: Number of upper limits in the mass bin. (3) and (5) Mean logarithm of the molecular gas mass fraction and its error for the CO-VG galaxies and the CO-CS galaxies, respectively, in the bin. (6) Difference in the mean logarithm of the molecular gas mass fraction between the CO-VG sample and the comparison sample and its error. (7) σ = Δmean/err(Δmean). (8) p-value of the Kolmogorov-Smirnov test.
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