Weak lensing constraints on the stellar-to-halo mass relation of galaxy groups with simulation-informed scatter

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Volume 700 (August 2025)

A&A, 700 (2025) A202

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Table 2.

Summary of the binning boundaries, number of groups, mean redshift of the groups, and mean stellar mass of the BCGs for each bin used in the stacked ESD measurements.

Observable	Range	N_groups	z_mean	$log ({\bar{M}}_{⋆}^{BCG})$ $\log(\bar{M}_{\star}^{\mathrm{BCG}})$
$log (M_{⋆}^{grp})$ $\log(M^{\mathrm{grp}}_{\star})$	(10.70, 11.45]	589	0.12	10.83
	(11.45, 11.70]	470	0.16	11.07
	(11.70, 11.90]	429	0.20	11.19
	(11.90, 12.10]	416	0.24	11.28
	(12.10, 12.35]	419	0.28	11.36
	(12.35, 13.00]	368	0.32	11.49

$log (L_{r}^{grp})$ $\log(L^{\mathrm{grp}}_{r})$	(10.71, 11.21]	628	0.12	10.90
	(11.21, 11.41]	477	0.17	11.10
	(11.41, 11.61]	528	0.21	11.22
	(11.61, 11.81]	432	0.26	11.31
	(11.81, 12.01]	312	0.29	11.39
	(12.01, 12.50]	267	0.32	11.49

Notes. The unit of stellar mass is $h_{70}^{- 2} M_{⊙}$ $h_{70}^{-2}\mathrm{M}_{\odot}$ , and the unit of luminosity is $h_{70}^{- 2} L_{⊙}$ $h_{70}^{-2}\mathrm{L}_{\odot}$ .

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