Table 1.
Identity and mass of each galaxy identified at z = 0.18 from the NEWHORIZON simulation and studied in this work.
| Gal. id | Stellar mass | Comments |
|---|---|---|
| G11 | 5.3 × 1010 M⊙ | 2 successive cosmic gas accretions; |
| Associated with BH1049 | ||
| G23 | 1.7 × 1010 M⊙ | Minor Merger |
| G45 | 9.4 × 109 M⊙ | Minor Merger |
| G70 | 1.2 × 1010 M⊙ | Minor Merger |
| G31 | 2.6 × 1010 M⊙ | Major Merger; Ass. with BH549 |
| G83 | 1.1 × 1010 M⊙ | Major Merger |
| G2635 | 1.4 × 1010 M⊙ | Multiple Mergers + high SFR |
| G2 | 2.4 × 1110 M⊙ | Multiple Mergers; Ass. with BH796 |
| G30 | 2.8 × 1010 M⊙ | Multiple Mergers |
| G173 | 3.0 × 109 M⊙ | Multiple Mergers |
Notes. Each of these galaxies display one or several phases of gas-stars counter-rotation during their lifetime. The last column add some information about their formation path and also whether if they host a massive central black hole. For instance, the galaxies G11 and G31 host respectively the black hole BH1049 and BH549, studied in detail in Peirani et al. (2024). We note that G2 is merging with a more massive galaxy at z ∼ 0.27. Thus, its identity and mass are taken just before the event.
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