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Table 1

Properties of different volume-limited samples of groups extracted from the SDSS DR10 group catalog by Tempel et al. (2014d).

Sample Mr,lim a Dlim b N(total)c N(nrich > 4)d
(mag) (h-1 Mpc)

M 18 18 144 8657 1531
M 19 19 213 20131 3676
M 20 20 330 37011 7077
M 21 21 487 34290 7268



r-band limiting absolute magnitudes of the samples.


Upper distance limit of the samples.


Total number of groups in the samples.


Number of groups in the samples with richness greater than 4.

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