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Table 4

Number of UDGs with projected R<R200.

Cluster Raw countsa Correctedb

A85 313 189 ± 21
A119 221 147 ± 17
A133 207 110 ± 17
A780 173 81 ± 16
A1781 62 29 ± 10
A1795 288 180 ± 20
A1991 97 46 ± 12
MKW3S 85 51 ± 11

Notes. Each cluster shows a significant overdensity of the galaxies considered.

(a)

Raw numbers, neither corrected for incompleteness, nor background subtracted.

(b)

After subtracting the background from the CFHTLS fields, matched in depth, for the same redshift and matched in unmasked area. Poisson errors, which are given, dominate over the field-to-field variance that we measure from the four spatially-independent CFHTLS fields.

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