Table 9.
Star formation efficiency for CO-VG and CO-CS galaxies: Mean values for galaxies on the SFMS.
| log SFE [yr−1] |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| log(M⋆) [M⊙] | CO-VG |
CO-CS |
Δmean | σ | KS | ||||
| range | n/nlow | mean | n/nlow | mean | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | |||
| 9.0–9.5 | 28/11 | −8.97 ± 0.06 | 21/8 | −8.73 ± 0.05 | −0.24 ± 0.08 | −3.18 | 0.002 | ||
| 9.5–10.0 | 34/3 | −8.97 ± 0.04 | 11/1 | −8.87 ± 0.06 | −0.10 ± 0.07 | −1.44 | 0.085 | ||
| 10.0–10.5 | 32/2 | −8.96 ± 0.05 | 29/1 | −8.95 ± 0.04 | −0.01 ± 0.06 | −0.11 | 0.453 | ||
| 10.5–11.0 | 5/0 | −9.01 ± 0.11 | 23/0 | −9.12 ± 0.05 | 0.11 ± 0.12 | 0.97 | 0.710 | ||
| 11.0–11.5 | 1/0 | −9.22 | 1/0 | −9.35 | 0.13 | – | – | ||
Notes. (1) Stellar mass range in the bin. (2) and (4) n: Number of galaxies for the CO-VG and CO-CS galaxies respectively in the mass bin nlow: Number of lower limits in the mass bin. (3) and (5) Mean logarithm of the star formation efficiency and its error for the CO-VG sample and the comparison sample, respectively, in the bin. (6) Difference of the mean logarithm of SFE between the CO-VG sample and the comparison sample and its error. (7) Δmean/err(Δmean). (8) p-value of the Kolmogorov-Smirnov test.
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