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Table 2.

Chemical evolution model parameters and properties of the initial VMO burst when the gas metallicity reaches Z = Zcr.

Mchar = 200 M k = 1 τinf = 0.1 ASNIa = 0.04

Name ν Zcr tZcr 12+log(O/H) Mcum NVMO
Gyr−1 Z/Z Myr M Model EMPG3 (a) EMPG10 (a)
M4ω3 1 1.0E−4 2.77 4.520 3.814E4 176 194 393
M4ω4 1 1.0E−4 2.78 4.580 3.834E4 177 194 394
M5ω3 1 1.0E−2 5.01 6.805 1.232E5 569 720 1784
M5ω4 1 1.0E−2 5.13 6.815 1.292E5 597 741 1807
M6ω3 5 1.0E−4 2.70 4.692 3.615E5 1672 2122 4526
M6ω4 5 1.0E−4 2.70 4.663 3.596E5 1675 2100 4454

Notes.

(a)

Computed from the model normalised to the observed stellar mass at the corresponding value of 12+log(O/H).

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