The insignificant evolution of the richness-mass relation of galaxy clusters

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Table 1

Cluster id, redshift, and projected richness and mass within 0.5 Mpc.

Name	z	log₁₀ n_0.5	log₁₀ M_0.5/M_⊙

Abell 2104	0.15	1.44 ± 0.08	14.53 ± 0.06
Abell 1914	0.17	1.72 ± 0.06	14.54 ± 0.05
MS0440.5+0204	0.19	1.29 ± 0.09	14.40 ± 0.09
Abell 520	0.20	1.42 ± 0.08	14.53 ± 0.06
Abell 2163	0.20	1.49 ± 0.07	14.62 ± 0.06
Abell 223N	0.21	1.43 ± 0.08	14.48 ± 0.07
Abell 223	0.21	1.42 ± 0.08	14.40 ± 0.08
Abell 222	0.21	1.50 ± 0.07	14.48 ± 0.07
Abell 1942	0.22	1.63 ± 0.06	14.49 ± 0.05
Abell 2111	0.23	1.62 ± 0.06	14.53 ± 0.06
Abell 1835	0.25	1.71 ± 0.06	14.66 ± 0.04
Abell 1758E	0.28	1.64 ± 0.06	14.62 ± 0.05
Abell 1758W	0.28	1.64 ± 0.06	14.61 ± 0.05
Abell 959	0.29	1.71 ± 0.06	14.67 ± 0.05
Abell 611	0.29	1.52 ± 0.08	14.52 ± 0.08
MS1008.1-1224	0.30	1.62 ± 0.07	14.54 ± 0.07
Abell 370	0.38	1.87 ± 0.05	14.76 ± 0.06
Abell 851	0.41	1.67 ± 0.06	14.71 ± 0.04
MS1621.5+2640	0.43	1.43 ± 0.08	14.62 ± 0.07
RXJ1347.5-1145	0.45	1.52 ± 0.08	14.68 ± 0.06
RXJ1524.6+0957	0.52	1.34 ± 0.09	14.45 ± 0.12
MS0015.9+1609	0.55	1.81 ± 0.05	14.82 ± 0.05
MS0451.6-0305	0.55	1.70 ± 0.06	14.56 ± 0.09

Notes. Masses are taken from Hoekstra et al. (2012). There is a typo in the coordinates of RX J1524.6+0957 reported in Hoekstra et al. (2012): the values adopted there and in our paper are 15:24:38.4 +09:57:43.

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