The close pair fraction of BCGs since $z=0.5$: major mergers dominate recent BCG stellar mass growth

Danièl N. Groenewald, Rosalind E. Skelton, David G. Gilbank +1

Using the redMaPPer cluster catalogue based on the Sloan Digital Sky Survey (SDSS) photometry, we investigate the importance of major mergers in the stellar mass build-up of bright…