Table 2
Properties of the major and intermediate mass mergers of G1 and G2 in our two simulations.
| Run CS | Run MA | ||||||||||||
| z R200 |
|
|
z 30 ckpc |
|
z = 0 | z R200 |
|
|
z 30 ckpc |
|
z = 0 | ||
|
|
|||||||||||||
| G1a | 2.52 | 67% | 51% | 2.33 | 21% | 2.52 | 121% | 48% | 2.32 | 111% | |||
| G1b | 2.35 | 5% | 8% | 1.70 | 2% | 2.35 | 6% | 8% | 2.09 | 5% | |||
| G1c | 1.29 | 8% | 6% | 0.82 | 5% | 1.33 | 12% | 10% | 0.81 | 14% | |||
| G1d | 0.95 | 13% | 14% | 0.32 | 5% | sat | 0.95 | 13% | 33% | 0.37 | 28% | ||
| G1e | 0.74 | 63% | 44% | 0.28 | 27% | 0.74 | 15% | 80% | 0.08 | 21% | sat | ||
| G1f | 0.72 | 64% | 78% | 0.25 | 36% | 0.70 | 19% | 108% | 0.04 | 43% | sat | ||
|
|
|||||||||||||
| G2a | 1.48 | 11% | 11% | 0.81 | 5% | 1.48 | 13% | 29% | 0.89 | 16% | |||
| G2b | 1.44 | 9% | 10% | 0.29 | 2% | sat | 1.40 | 13% | 33% | 0.44 | 9% | ||
| G2c | 1.33 | 15% | 28% | 0.60 | 9% | 1.33 | 18% | 61% | 0.64 | 33% | |||
| G2d | 1.14 | 7% | 14% | 0.03 | 5% | sat | 1.05 | 8% | 37% | 0.02 | 9% | sat | |
Notes. The G1a–f denotes the mergers for G1, and G2a–d those for G2, ordered by their appearance within the 30 ckpc. z30 ckpc and z200 denote the highest redshift at which the most bound subfind particle enters within 30 ckpc and R200, respectively. and denote the subfind stellar mass of the satellite as a fraction of that of the main galaxy at the corresponding redshift. is the total mass fraction of the satellite when it reaches R200. For the most massive mergers (G1a, G1d, G1e, G2b) the subfind mass estimate exhibits significant disruption as the object enters R200, and so for these cases we calculate the ratios 200 Myr earlier to avoid spurious values. In the final column, we indicate with “sat” those satellite galaxies that have not merged/disrupted at z = 0.
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