Table 1
Initial conditions of the three model galaxies with number of particles, mass resolution, and total mass of the different galaxy components.
| Galaxy “1nb” | Galaxy “01b” | Galaxy “05b” | ||
| # Of particles | ||||
|
|
||||
| DM halo | 3 × 105 | 3 × 105 | 3 × 105 | |
| Gaseous disc | 2 × 105 | 2 × 105 | 2 × 105 | |
| Stellar disc | 2 × 105 | 2 × 105 | 2 × 105 | |
| Stellar bulge | 0 | 2 × 104 | 1 × 105 | |
|
|
||||
| Mass resolution | ||||
| [M⊙/particle] | ||||
|
|
||||
| DM halo | 3.615 × 106 | 3.612 × 106 | 3.602 × 106 | |
| Gaseous disc | 1.191 × 104 | 1.191 × 104 | 1.191 × 104 | |
| Stellar disc | 3.572 × 104 | 3.572 × 104 | 3.572 × 104 | |
| Stellar bulge | – | 4.762 × 104 | 3.810 × 104 | |
|
|
||||
| Total mass | ||||
| [M⊙] | ||||
|
|
||||
| DM halo | 1.084 × 1012 | 1.083 × 1012 | 1.080 × 1012 | |
| Gaseous disc | 2.381 × 109 | 2.381 × 109 | 2.381 × 109 | |
| Stellar disc | 7.143 × 109 | 7.143 × 109 | 7.143 × 109 | |
| Stellar bulge | 0 | 9.524 × 108 | 3.809 × 109 | |
Notes. The total mass of all three model galaxies is the same. When including the bulges in model galaxies 01b and 05b, less mass is consigned to the dark-matter halo when initial conditions are generated.
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