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Table 1.

Decrease in the dispersion (in percent) of the ΦZR and MZR when considering a secondary relation with the SFR in comparison with an indicator of the stellar metallicity for different ranges of mass (for MZR) or gravitational potential (for ΦZR). See main text for details.

ΦZR
All [8.2,8.4] [8.6,8.8] [9.0,9.2] [9.4,9.6] [9.8,10.0] [10.2,10.4]

SFR, σred [%] 0.3 4.1 3.4 1.0 3.6 4.0 2.7
T95–[Z/H]Re, σred [%] 14.2 22.7 26.4 30.4 19.6 2.4 0.1

MZR

All [8.7,8.9] [9.1,9.3] [9.5,9.7] [9.9,10.1] [10.3,10.5] [10.7,10.9]

SFR, σred [%] 2.3 11.9 19.7 17.0 4.8 2.8 1.7
LW–[Z/H]Re, σred [%] 10.7 9.5 21.5 31.6 19.5 6.6 1.6

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