Table 13.
Atomic gas mass fraction.
| log10(MH I/M⋆) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| log10M⋆[M⊙] | VGS |
CCS |
VGS – CCS |
||||||||
| range | n/nup | mean | median | n/nup | mean | median | Δmean | σ | KS | ||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | ||
| ALL | 8.0 | 8.5 | 15/4 | 0.44 ± 0.11 | 0.53 | 3/0 | 0.33 ± 0.08 | 0.29 | 0.11 ± 0.13 | – | – |
| 8.5 | 9.0 | 11/4 | 0.05 ± 0.14 | 0.21 | 10/0 | 0.10 ± 0.23 | 0.31 | −0.05 ± 0.27 | −0.20 | 0.98 | |
| 9.0 | 9.5 | 8/2 | −0.04 ± 0.12 | 0.06 | 85/13 | −0.39 ± 0.07 | −0.22 | 0.36 ± 0.14 | 2.54 | 0.09 | |
| 9.5 | 10.0 | 11/3 | −0.81 ± 0.15 | −0.79 | 69/12 | −0.58 ± 0.08 | −0.40 | −0.23 ± 0.17 | −1.33 | 0.33 | |
| 10.0 | 10.5 | 5/2 | −1.28 ± 0.14 | −1.25 | 195/56 | −1.05 ± 0.05 | −0.95 | −0.23 ± 0.14 | −1.62 | 0.24 | |
| 8.0 | 10.5 | 50/15 | −0.27 ± 0.12 | −0.08 | 362/81 | −0.77 ± 0.04 | −0.71 | 0.51 ± 0.12 | 4.10 | 6 × 10−7 | |
| SF | 8.0 | 8.5 | 12/4 | 0.40 ± 0.13 | 0.53 | 3/0 | 0.33 ± 0.08 | 0.29 | 0.07 ± 0.15 | – | – |
| 8.5 | 9.0 | 11/4 | 0.05 ± 0.14 | 0.21 | 9/0 | 0.31 ± 0.12 | 0.31 | −0.26 ± 0.19 | −1.41 | 0.85 | |
| 9.0 | 9.5 | 7/2 | −0.08 ± 0.13 | 0.06 | 71/5 | −0.22 ± 0.07 | −0.06 | 0.14 ± 0.14 | 0.95 | 0.40 | |
| 9.5 | 10.0 | 10/3 | −0.84 ± 0.17 | −0.79 | 54/3 | −0.35 ± 0.07 | −0.28 | −0.49 ± 0.18 | −2.75 | 0.03 | |
| 10.0 | 10.5 | 4/1 | −1.20 ± 0.15 | −1.21 | 131/11 | −0.77 ± 0.04 | −0.72 | −0.44 ± 0.15 | −2.85 | 0.08 | |
| 8.0 | 10.5 | 44/14 | −0.30 ± 0.12 | −0.12 | 268/19 | −0.50 ± 0.04 | −0.44 | 0.20 ± 0.13 | 1.52 | 5 × 10−4 | |
Notes. (1) Stellar mass range of the bin. (2) Number of VGS galaxies in the bin. nup: Number of upper limits of VGS galaxies in the bin. (3) Mean logarithm of the atomic gas mass fraction and its error of the VGS galaxies in the bin. (4) Median logarithm of the atomic gas mass fraction of the VGS galaxies in the bin. (5)–(7) The same for the CCS sample. (8) Difference of the mean logarithmic of the atomic gas mass fraction between VGS and CCS (Δmean) and its error (err(Δmean)). (9) σ = Δmean/err(Δmean), only reported when there are at least 4 objects in each sample. (10) p-value of the Kolmogorov–Smirnov test.
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