Table 1
Summary of the main parameters of the two-infall model presented in this study (see Section 3.1).
| Model MW | Thigh | Tlow | Tmax | νhigh | νlow | σlow/σhigh | Xi | |||
|---|---|---|---|---|---|---|---|---|---|---|
| [Gyr] | [Gyr] | [Gyr] | [Gyr−1] | [Gyr−1] | Enriched (Section 3.2) | |||||
| 0.377 | 3.203 | 3.519 | 2.000 | 0.600 | 2.500 | O | Mg | Si | Fe | |
| 1.573 · 10−1 | 1.759 · 10−2 | 1.708 · 10−2 | 1.859 · 10−2 | |||||||
| Nissen et al. (2020) | ||||||||||
Notes. The accretion timescales (Thigh, Tlow), the time-delay (Tmax), the SFEs (νlow,νhigh), and the present-day total surface mass density ratios (σlow/ σhigh) values are indicated. Finally, the infall chemical composition is reported, indicating the abundances by mass for O, Mg, Si, and Fe in the last four columns. We also specify the values corresponding to those adopted in the revised version of the Spitoni et al. (2019b) two-infall chemical evolution model presented in Nissen et al. (2020).
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