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Table 1
Main properties of the cluster catalogues with optically (SDSS-based) selected entries.
| CLG | Nr. | Redshift | SDSS | X-ray | Nr.CLG |
| catalogue | CLG | range | CLG (1′) | sample | |
|
|
|||||
| GMBCG | 55 000 | 0.1 − 0.55 | DR7 | 136 | 123 |
| WHL | 39 688 | 0.05 − 0.6 | DR6 | 150 | 72 |
| MaxBCG | 13 823 | 0.1 − 0.3 | DR5 | 54 | 20 |
| AMF | 69 173 | 0.045 − 0.78 | DR6 | 127 | 60 |
|
|
|||||
| Total | 275 | ||||
Notes. The last two columns give the number of matching X-ray selected clusters individually and cumulatively.
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