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Table 3.

Summary of central over- and under-densities of the 3C clusters, sorted by redshift.

(1) (2) (3) (4) (5) (6) (7) (8)
Name z all red IR-only blue K16 Class
3C 287 1.055 −− V
3C 186 1.067 + + −− RS I
3C 356 1.079 ++ + −− I
3C 208.0 1.110 ++ ++ + + III
3C 305.1 1.132 +,? I?
3C 220.2 1.158 ++ II
3C 300.1 1.159 ++ ++ + RS II
3C 210 1.169 ++ ++ ++ RS I

3C 324 1.206 ++ ++ ++ ++ III
3C 068.1 1.238 + ++ RS II
3C 255 1.355 + ++ RS II
3C 268.4 1.398 ++ ++ II
3C 297 1.406 + ++ II
3C 298 1.437 VI
3C 230 1.487 ++ ++ ++ RS II
3C 270.1 1.532 ++ II

3C 322 1.681 +,? II? → VI
3C 432 1.785 ++,? IV? → VI?
3C 326.1 1.825 ++ + ++ −,? I?
3C 454.1 1.841 + VI
3C 257 2.474 +,? +,? +,? RS II?

Notes. The horizontal lines divide the sample at z = 1.2 and z = 1.6. Columns 3–6 mark a COD with “+” and “++” if detected with S/N larger than 3 and 5, respectively, with entries from Table B.2. CUDs are marked with “−” and “−−”. Column 7 indicates if a red-sequence was found by K16. Column 8 assigns the color-dependent morphology classification described in Sect. 3.6. A “?” notes uncertain cases due to a small number of galaxies for the COD/CUD calculation.

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