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Table 1.
Definitions of common terms and symbols used throughout this paper.
| Term | |
|---|---|
| BCG (brightest cluster galaxy) | The BCG is the brightest galaxy in a cluster that lies close to the cluster centre |
| ICL (intracluster light) | Diffuse light that is not bound to any individual galaxy in the cluster but instead to the cluster potential |
| Surviving component | The component of the ICL and BCG that was accreted from still surviving galaxies |
| Completed mergers component | The component of the ICL and BCG that was accreted from galaxies that have been completely disrupted |
| In situ component | The component of the ICL and BCG that formed in situ |
| Progenitor galaxy | The progenitor galaxies that formed the BCG+ICL. They may be totally disrupted or still surviving |
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