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Table 3
Average offsets between the medians measured in the SDSS reference sample and for the star-forming galaxies of zCOSMOS 20k in each redshift bin for the mass − metallicity relation (MZR), the star formation-corrected mass − metallicity relation (SMZ), and the relation between stellas mass and N/O (MNOR).
| z bin | Δ MZR | σ MZR | Δ MZRa | Δ SMZR | σ SMZ | Δ MNOR | σ MNOR |
|
|
|||||||
| SDSS | 0.00 | 0.09 | – | 0.00 | 0.08 | 0.00 | 0.14 |
| 0.0–0.2 | +0.01 | 0.16 | +0.01 | +0.01 | 0.15 | 0.00 | 0.23 |
| 0.2–0.4 | –0.04 | 0.20 | –0.02 | –0.01 | 0.19 | –0.14b | 0.31a |
| 0.4–0.6 | –0.14 | 0.19 | –0.11 | –0.12 | 0.19 | – | – |
| 0.6–0.8 | –0.19 | 0.17 | –0.12 | –0.13 | 0.17 | – | – |
| 0.8–1.0 | –0.17 | 0.19 | –0.08 | –0.10 | 0.19 | – | – |
| 1.0–1.32 | –0.36 | 0.15 | –0.27 | –0.30 | 0.15 | – | – |
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