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Table 1
Description of the basic parameter values for the standard model M1.
| Physical properties | Parameter values |
|---|---|
| Total mass | Mt = 2.25 × 1010 M⊙ |
| DM mass | Mdm = 2 × 1010 M⊙ |
| DM core radius | adm = 2.8 kpc |
| Gas fraction | fg = 0.8 |
| Baryonic mass fraction | fb = 0.11 |
| Stellar disk size | 2.3 kpc |
| Gas disk size | 4.5 kpc |
| Initial gaseous Q | Qg = 0.5 |
| Initial stellar Q | Qs = 1.5 |
| Initial gas temperature | 300 K |
| AGB yield | VG97 |
| Feedback effects | SNII and AGB |
| Initial metallicity | [Fe/H]_0 = −1.45 |
| Star formation (FG and SG) | ρth = 100 atom cm−3 |
| Initial particle number | N = 106 |
| AGB ejecta per particle | nagb = 1 |
| IMF | Salpeter (αIMF = 2.35) |
| Softening length (DM) | ϵg,dm = 193 pc |
| Softening length (stars) | ϵg, os = 21 pc |
| Softening length (SG stars) | ϵg, ns = 2 pc |
| Maximum time step width | δtagb = 8.8 × 104 yr |
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