Table 2
Characteristics of the red galaxies in the overdensity: coordinates, photometric redshift, Y − Ks colour, Ks-band total magnitude, and distance from the cluster centre in arc minutes and kiloparsecs.
| ID | RA (J2000) | Dec (J2000) | z phot | Y − Ks (AB) | Ks, tot (AB) | r (′) | r (kpc) | |
|
|
||||||||
| 4774 | 14:49:14.39 | +8:56:16.19 | 2.15 | 3.73 ± 0.44 | 22.33 | 0.09 | 43 | |
| 4942 | 14:49:14.20 | +8:56:22.25 | 2.10 | 2.82 ± 0.38 | 22.73 | 0.05 | 27 | |
| 4948 | 14:49:14.54 | +8:56:20.86 | 2.10 | 2.15 ± 0.83 | 23.85 | 0.04 | 18 | |
| 4954 | 14:49:14.87 | +8:56:18.14 | 1.95 | 2.36 ± 0.10 | 22.15 | 0.13 | 65 | |
| 4970 | 14:49:13.97 | +8:56:25.20 | 1.95 | 2.34 ± 0.50 | 23.68 | 0.12 | 62 | |
| 5080 | 14:49:14.11 | +8:56:26.30 | 1.90 | 3.13 ± 0.26 | 21.76 | 0.11 | 54 | |
| 5125 | 14:49:14.08 | +8:56:27.59 | 2.05 | 3.08 ± 0.18 | 21.91 | 0.13 | 65 | |
| 5138 | 14:49:14.16 | +8:56:26.53 | 2.25 | 2.70 ± 0.13 | 21.58 | 0.10 | 52 | |
| 5225 | 14:49:13.42 | +8:56:34.81 | 2.05 | 2.36 ± 0.09 | 21.40 | 0.33 | 165 | |
| 5262 | 14:49:14.07 | +8:56:31.19 | 2.10 | 2.31 ± 0.18 | 22.55 | 0.18 | 91 | |
|
|
||||||||
| 4489 | 14:49:14.99 | +8:56:05.06 | 2.25 | 2.77 ± 1.10 | 23.04 | 0.31 | 155 | |
| 4518 | 14:49:14.60 | +8:56:08.75 | 2.45 | 2.42 ± 0.48 | 24.00 | 0.22 | 108 | |
| 4608 | 14:49:14.33 | +8:56:12.87 | 2.50 | 2.30 ± 0.15 | 22.22 | 0.14 | 72 | |
| 5018 | 14:49:14.10 | +8:56:25.50 | 4.70 | 2.68 ± 0.55 | 22.55 | 0.10 | 51 | |
| 5045 | 14:49:15.13 | +8:56:17.63 | 2.75 | 3.04 ± 0.36 | 23.01 | 0.19 | 96 | |
| 5113 | 14:49:14.48 | +8:56:23.37 | 3.05 | 3.82 ± 0.45 | 22.47 | 0.04 | 19 | |
Notes. The first ten galaxies are the red members, with 1.9 < zphot < 2.2. The bottom six objects, which are not formally inside the photometric redshift peak, might still belong to the structure: e.g. galaxy 5113, which is the Chandra-detected AGN, a red spheroidal (nSersic = 6) whose optical-NIR SED likely suffers from AGN contamination.
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