Table 2.
Number of galaxies per bin of substructure area and redshift.
| Substructures | Number of galaxies | ||
|---|---|---|---|
| [kpc2] | 1 < z < 2 | 2 < z < 3 | 3 < z < 4 |
| Optimal detection | |||
| 1.3 < S < 4 | 15 622 | 6552 | 2257 |
| 4 < S < 13 | 11 092 | 3853 | 1017 |
| 13 < S < 40 | 5730 | 1227 | 224 |
| 1.3 < S < 40 | 20 605 | 8610 | 2850 |
| Intrinsic detection | |||
| 1.3 < S < 4 | 4252 | 3500 | 1990 |
| 4 < S < 13 | 2080 | 1814 | 835 |
| 13 < S < 40 | 434 | 444 | 177 |
| 1.3 < S < 40 | 5298 | 4600 | 2502 |
| All galaxies | 26 000 | 14 823 | 6726 |
Notes. The number of galaxies with substructures varies depending on the detection method used. Given that galaxies may host multiple types of substructures, the sum of the three bins 1.3 < S < 4, 4 < S < 13, and 13 < S < 40 is larger than the last one with 1.3 < S < 40. The last row provides the total number of galaxies in the given redshift range, whether they host a substructure or not.
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