Tracing the evolution of the brightest galaxies and diffuse light in galaxy groups

Open Access

Table 1.

Galaxies at z_ini = 3 contributing at least 5% of the total IGL at z_fin = 0, categorised by group class.

Group class	No. of contributing	Mass of contributing	Ranks of contributing	Mass contribution
	galaxies	galaxies [10¹⁰ M_⊙]	galaxies	per galaxy [%]
Single-BGG	$8_{- 2}^{+ 1}$ $8^{+1}_{-2}$	$3 . 2_{- 1.4}^{+ 2.1}$ $3.2^{+2.1}_{-1.4}$	$7_{- 4}^{+ 5}$ $7^{+5}_{-4}$	$8 . 8_{- 2.0}^{+ 3.0}$ $8.8^{+3.0}_{-2.0}$
Double-BGG	$8_{- 1}^{+ 1}$ $8^{+1}_{-1}$	$3 . 5_{- 1.7}^{+ 2.8}$ $3.5^{+2.8}_{-1.7}$	$8_{- 4}^{+ 5}$ $8^{+5}_{-4}$	$8 . 0_{- 1.3}^{+ 2.3}$ $8.0^{+2.3}_{-1.3}$
Non-BGG	$8_{- 2}^{+ 0}$ $8^{+0}_{-2}$	$2 . 5_{- 1.1}^{+ 1.7}$ $2.5^{+1.7}_{-1.1}$	$11_{- 5}^{+ 6}$ $11^{+6}_{-5}$	$7 . 4_{- 1.3}^{+ 1.8}$ $7.4^{+1.8}_{-1.3}$

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