Table 7: Results derived from optical data. Column (1): cluster name; Col. (2): total luminosity derived from stars within galaxies; Col. (3): fraction of star forming galaxies; Col. (4): stellar mass; Col. (5): ICL mass; Col. (6): stellar and ICL mass to gas mass fraction.
Cluster $L_{\rm star}$ ( $10^{14}~ L_{\odot}$ ) $f_{\rm s}$ $M_{\rm star}$ ( $10^{14} ~M_{\odot}$ ) $M_{\rm ICL}$ $M_{\rm star+ICL}/M_{\rm gas}$

(<r₅₀₀) (<r₅₀₀) (<r₅₀₀) (<r₅₀₀) (<r₅₀₀)

A496 0.0233 $\pm$ 0.0021 $0.20^{\ast}$ 0.0351 $\pm$ 0.0066 0.0040 0.118 $\pm$ 0.020

A1689 0.0599 $\pm$ 0.0023 0.15 0.0903 $\pm$ 0.020 0.010 0.060 $\pm$ 0.012

A2050 0.0367 $\pm$ 0.0010 0.20 0.0553 $\pm$ 0.0015 0.062 0.108 $\pm$ 0.040

A2631 0.0509 $\pm$ 0.0041 0.20 0.0768 $\pm$ 0.0062 0.0087 0.102 $\pm$ 0.022

A2667 0.160 $\pm$ 0.046 $0.20^{\ast}$ 0.240 $\pm$ 0.073 0.027 0.237 $\pm$ 0.029

**Table 7:** Results derived from optical data. Column (1): cluster name; Col. (2): total luminosity derived from stars within galaxies; Col. (3): fraction of star forming galaxies; Col. (4): stellar mass; Col. (5): ICL mass; Col. (6): stellar and ICL mass to gas mass fraction.
Cluster	$L_{\rm star}$ ( $10^{14}~ L_{\odot}$ )	$f_{\rm s}$	$M_{\rm star}$ ( $10^{14} ~M_{\odot}$ )	$M_{\rm ICL}$	$M_{\rm star+ICL}/M_{\rm gas}$
	(<r₅₀₀)	(<r₅₀₀)	(<r₅₀₀)	(<r₅₀₀)	(<r₅₀₀)
A496	0.0233 $\pm$ 0.0021	$0.20^{\ast}$	0.0351 $\pm$ 0.0066	0.0040	0.118 $\pm$ 0.020
A1689	0.0599 $\pm$ 0.0023	0.15	0.0903 $\pm$ 0.020	0.010	0.060 $\pm$ 0.012
A2050	0.0367 $\pm$ 0.0010	0.20	0.0553 $\pm$ 0.0015	0.062	0.108 $\pm$ 0.040
A2631	0.0509 $\pm$ 0.0041	0.20	0.0768 $\pm$ 0.0062	0.0087	0.102 $\pm$ 0.022
A2667	0.160 $\pm$ 0.046	$0.20^{\ast}$	0.240 $\pm$ 0.073	0.027	0.237 $\pm$ 0.029

$^\ast$ Not measured.

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