Open Access
Table 1
Stages of MBH dynamics in RAMSES and RAMCOAL.
| Stage 0 | Until MBHs are separated by 4Δx | RAMSES | Dynamical friction |
| Stage 1 | After Stage 0 until MBHs are gravitationally bound | RAMCOAL | Dynamical friction |
| Stage 2 | After Stage 1 until coalescence | RAMCOAL | Stellar hardening, migration in a circumbinary disc, GW emission |
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