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Table 2

Summary of the correlation statistics.

redMaPPer X-CLASS

Density ~2.5/deg2 ~5/deg2
Redshift range NEARBY DISTANT
0.054 <z< ~ 0.6 0 <z< 0.3 − 0.4 0.3 − 0.4 <z< 1.5
Median mass range (M500c) in unit of 1014 h-1 M ~1 at z< 0.35 and ~3.5 at z ~ 0.55 0.2 5
from Pacaud et al. (2007)
Overlap sample 270 clusters 355 clusters

Fraction of matched objects 34% 26%
Fraction of recovered matches 8 + 11% 6 + 8%
(large offsets + pipeline failures)
Fraction with no counterpart at all 13%(∗) 60%(∗∗)
(∗)not matched with any type (∗∗)either not seen by redMaPPer
of X-ray source or beyond z> 0.6

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