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Table B.1

Radio and IR properties of the candidate IFRSs in SERVS fields.

Field IFRS Radio coordinates Combined positional Distance from claimed IR Reliability S 1.4 GHz S 3.6 μm S 4.5 μm S 1.4 GHz / S 3.6 μm S 1.4 GHz / S 4.5 μm S 4.5 μm / S 3.6 μm Spectral Optical
name ID (J2000) accuracy (arcsec) 3.6/4.5 μm couterpart (arcsec) S1.4 GHz/ (3 × N3.6 μm) S1.4 GHz/ (3 × N4.5 μm) index magnitude
(hh:mm:ss) (dd:mm:ss) σ RA σ Dec ΔRA ΔDec (%) (mJy) (μJy) (μJy)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17)

CS0114 03:27:59.89 27:55:54.7 1.02 1.02 0.12 0.89 99 7.17 ± 1.43 2.13 ± 0.47 2.37 ± 0.47 3366 ± 1001 3025 ± 851 1.11 ± 0.33 1.33
CS0122 03:28:12.99 27:19:42.6 1.42 3.59 1.90 86 0.46 ± 0.10 1.47 ± 0.46 <1.29 313 ± 119 >357 <0.88
<1.38 <1.29 >333 >357 ...
CS0164 03:29:00.20 27:37:45.7 1.02 1.26 1.21 1.06 95 1.21 ± 0.25 1.89 ± 0.50 2.51 ± 0.67 640 ± 215 482 ± 163 1.33 ± 0.50 0.26
CS0173 03:29:09.66 27:30:13.7 1.42 3.77 1.71 1.66 96 0.35 ± 0.08 1.66 ± 0.41 2.76 ± 0.48 211 ± 71 127 ± 36 1.66 ± 0.50 0.01
CS0194 03:29:28.59 28:36:18.8 1.02 1.02 6.09 ± 1.22 <1.77 <2.16 >3441 >2819 ... 0.92
CS0215 03:29:50.01 27:31:52.6 1.02 1.02 1.10 ± 0.22 <1.50 <1.50 >733 >733 ... 0.71
CS0241 03:30:10.21 28:26:53.0 1.02 1.54 1.28 ± 0.26 <1.41 <1.71 >908 >749 ... 1.05
CS0255 03:30:24.08 27:56:58.7 1.20 3.17 0.36 0.85 99 0.55 ± 0.12 2.42 ± 0.50 3.35 ± 0.56 227 ± 68 164 ± 45 1.38 ± 0.37 0.04
CS0275 03:30:43.69 28:47:55.6 1.39 1.83 0.36 ± 0.08 <1.20 <1.68 >300 >214 ...
CS0283 03:30:48.68 27:44:45.3 1.17 2.04 0.29 ± 0.07
CS0415 03:32:13.07 27:43:51.0 1.02 1.02 1.21 ± 0.25 <1.02 <1.20 >1186 >1008 ... 1.19
CS0446 03:32:31.54 28:04:33.5 2.22 3.65 2.00 87 0.34 ± 0.08 1.55 ± 0.50 <2.07 219 ± 88 >164 <1.34 25.55Ba
<1.50 <2.07 >227 >164 ...
CS0487 03:33:01.19 28:47:20.7 1.02 1.60 1.12 ± 0.23 <1.62 <2.01 >691 >557 ... 0.62
CDFS CS0506 03:33:11.48 28:03:19.0 1.57 2.37 2.44 2.57 83 0.17 ± 0.06 1.80 ± 0.47 2.20 ± 0.50 94 ± 41 77 ± 32 1.22 ± 0.42 26.16Ba
27.10Ub
26.15Bb
26.59Vb
26.16Rb
26.06Ib
24.38Zb
<1.41 <1.50 >121 >113 ...
CS0538 03:33:30.20 28:35:11.1 1.45 2.58 1.40 ± 0.28 <2.16 <1.95 >648 >718 ... 1.19
CS0588 03:34:04.70 28:45:01.7 1.30 3.32 0.45 ± 0.10 <1.41 <1.50 >319 >300 ...
CS0682 03:35:18.48 27:57:42.2 1.20 2.88 0.73 96 0.34 ± 0.08 <1.59 2.26 ± 0.72 >214 150 ± 60 >1.42
CS0694 03:35:25.08 27:33:13.2 1.02 1.40 0.60 ± 0.13 <1.98 <2.31 >303 >260 ... 0.93 24.91ic
CS0696 03:35:25.25 28:31:05.2 1.02 1.78 0.31 ± 0.07 <1.65 <1.71 >188 >181 ...
CS0703 03:35:31.02 27:27:02.2 1.02 1.02 3.12 3.27 70 26.08 ± 5.22 2.34 ± 0.61 1.97 ± 0.51 11145 ± 3663 13239 ± 4332 0.84 ± 0.31 0.96
<1.83 <1.53 >14251 >17046 ...
CS0706 03:35:33.22 28:06:21.8 1.07 1.51 0.26 ± 0.07 <1.62 <1.95 >160 >133 ...
CS0714 03:35:38.16 27:44:00.6 1.45 2.22 0.39 ± 0.09 <1.23 <1.02 >317 >382 ...
ES0056 00:33:46.75 44:29:02.8 1.02 1.19 0.43 99 0.58 ± 0.12 <1.56 2.97 ± 0.80 >372 195 ± 66 >1.90 2.35
ES0135 00:33:30.12 44:21:15.4 1.60 1.56 0.18 ± 0.05 <2.28 out >79 ... ...
ELAIS-S1 ES0156 00:34:46.40 44:19:26.9 1.02 1.41 0.14 99 0.37 ± 0.08 <1.53 2.00 ± 0.44 >242 185 ± 18 >1.31 0.88
ES0318 00:37:05.54 44:07:33.6 1.02 1.14 1.59 ± 0.32 <1.65 <1.98 >964 >803 ... 1.42
ES0427 00:34:11.59 43:58:17.0 1.02 1.02 0.17 99 21.36 ± 4.27 1.94 ± 0.46 <1.56 11010 ± 3415 >13692 <0.80 0.95
ES0433 00:34:13.43 43:58:02.4 1.02 1.02 0.25 ± 0.06 <1.62 <1.41 >154 >177 ... 1.41
ES0436 00:37:26.34 43:57:33.0 1.09 1.54 1.20 1.07 93 0.19 ± 0.06 3.27 ± 0.42 4.12 ± 0.64 58 ± 20 46 ± 16 1.26 ± 0.25
ES0463 00:34:10.14 43:56:25.5 1.25 1.76 0.14 ± 0.04 <1.29 <1.71 >109 >82 ...
ES0593 00:35:10.80 43:46:37.2 1.22 1.73 1.71 1.65 91 0.17 ± 0.05 2.98 ± 0.71 4.54 ± 0.52 57 ± 22 37 ± 12 1.52 ± 0.40
ES0696 00:34:02.26 43:40:08.5 1.02 1.02 0.61 98 0.49 ± 0.11 1.33 ± 0.43 <1.83 368 ± 145 >268 <1.38 0.07
ELAIS-S1 ES0913 00:37:33.42 43:24:53.4 1.02 1.02 0.63 98 0.68 ± 0.14 1.33 ± 0.39 <1.47 511 ± 183 >463 <1.11 1.62
ES0973 00:38:44.13 43:19:20.4 1.32 1.44 9.14 ± 1.83 <2.46 <2.64 >3715 >3462 ... 1.15
ES1118 00:36:22.25 43:10:15.0 1.06 1.50 0.51 ± 0.11 <1.41 <1.56 >362 >327 ...
ES1154 00:35:46.92 43:06:32.4 1.02 1.10 0.85 0.46 97 0.53 ± 0.11 2.11 ± 0.38 3.91 ± 0.53 251 ± 69 136 ± 34 1.85 ± 0.42 0.56
ES1193 00:37:19.58 43:02:01.4 1.07 1.52 0.23 ± 0.06 <1.35 <1.65 >170 >139 ...
ES1259 00:38:27.17 42:51:33.7 1.02 1.02 4.52 ± 0.90 <2.19 out >2063 ... ...
ES1260 00:38:24.94 42:51:37.9 1.32 1.86 0.80 ± 0.16 <1.92 out >417 ... ...
DRAO3 16:05:30.48 +54:09:02.0 0.26 0.26 0.82 1.14 97 3.56 ± 0.24 5.16 ± 0.43 6.38 ± 0.74 690 ± 74 558 ± 75 1.24 ± 0.18
DRAO6 16:06:47.93 +54:15:10.5 0.28 0.28 2.23 ± 0.18
ELAIS-N1 DRAO7 16:08:38.74 +54:27:51.8 0.31 0.31 2.15 2.20 82 1.39 ± 0.13 2.09 ± 0.50 2.32 ± 0.50 665 ± 171 599 ± 141 ...
<1.50 <1.50 >927 >927 ...
DRAO8 16:09:49.75 +54:08:33.3 0.36 0.36 1.08 ± 0.13 <1.47 <1.17 >735 >923 ...
DRAO9 16:11:12.89 +54:33:17.6 0.25 0.25 2.45 ± 0.14 <1.32 <1.50 >1856 >1633 ...
DRAO10 16:12:12.29 +55:23:02.1 0.20 0.20 360.15 ± 4.20
DRAO11 16:12:25.78 +54:55:03.0 0.36 0.36 2.26 2.36 80 0.84 ± 0.10 7.88 ± 0.40 12.18 ± 0.66 107 ± 14 69 ± 9 1.55 ± 0.11
<1.20 <1.98 >700 >424 ...
LH5549 10:44:13.17 +58:48:33.3 0.27 0.30 1.32 0.90 92 3.24 ± 0.13 3.01 ± 0.37 3.67 ± 0.58 1076 ± 139 883 ± 144 1.22 ± 0.24
LH4124 10:44:13.77 +58:17:45.3 0.75 0.90 1.48 1.94 89 0.50 ± 0.08 1.85 ± 0.39 2.32 ± 0.56 270 ± 72 216 ± 62 1.25 ± 0.40
<1.17 <1.68 >427 >298 ...
LH5709 10:44:35.75 +58:53:10.0 0.21 0.21 0.87 0.49 96 8.98 ± 0.12 2.56 ± 0.63 2.14 ± 0.58 3508 ± 865 4196 ± 1139 0.84 ± 0.31
LH5705 10:46:04.53 +58:53:19.0 0.36 0.41 1.05 95 0.61 ± 0.04 1.44 ± 0.44 <1.71 424 ± 132 >357 <1.19
LH4270 10:47:11.26 +58:21:46.7 0.22 0.23 0.52 ± 0.01 <1.32 <1.56 >394 >333 ...
LH5995 10:47:34.56 +59:07:01.2 0.34 0.39 1.47 ± 0.09 <1.47 <1.47 >1000 >1000 ...
LH0912 10:47:59.36 +57:17:39.8 0.20 0.20 0.25 0.52 99 1.39 ± 0.01 3.08 ± 0.49 6.01 ± 0.68 451 ± 72 231 ± 26 1.95 ± 0.38
LH0324 10:48:06.21 +57:03:00.6 0.25 0.27 1.07 1.14 95 0.61 ± 0.02 2.53 ± 0.49 5.94 ± 0.64 241 ± 47 103 ± 12 2.35 ± 0.52
LH6025 10:49:04.39 +59:09:13.5 0.27 0.29 1.28 ± 0.05 <1.14 <1.32 >1123 >970 ...
LH5512 10:49:23.18 +58:48:51.3 0.20 0.20 2.66 ± 0.01 <1.23 <1.50 >2163 >1773 ...
LH LH3817 10:49:48.97 +58:12:19.6 0.20 0.20 0.27 1.04 99 1.53 ± 0.01 3.48 ± 0.44 4.06 ± 0.60 440 ± 56 377 ± 56 1.17 ± 0.23 20.75Kd
LH0576 10:49:56.77 +57:10:41.2 0.21 0.22 1.15 ± 0.02 <1.20 <1.35 >958 >852 ...
LH0502 10:51:22.09 +57:08:55.0 0.20 0.20 0.09 0.26 99 10.59 ± 0.02 4.83 ± 0.54 8.41 ± 0.58 2193 ± 245 1259 ± 87 1.74 ± 0.23 24.84Re
LH2316 10:51:30.82 +57:44:08.0 0.21 0.21 0.97 ± 0.01 <1.77 <1.68 >548 >577 ...
LH2633 10:51:38.11 +57:49:56.8 0.20 0.20 0.10 0.12 99 2.54 ± 0.01 5.43 ± 0.33 10.00 ± 0.56 468 ± 28 254 ± 14 1.84 ± 0.15
LH0209 10:52:39.55 +56:58:25.6 0.20 0.20 1.00 0.68 95 2.83 ± 0.02 3.61 ± 0.50 5.37 ± 0.67 784 ± 109 527 ± 66 1.49 ± 0.28 24.41Re
24.38Ie
LH5785 10:53:18.14 +58:56:22.8 0.20 0.20 0.80 97 78.43 ± 0.03 4.40 ± 0.48 out 17825 ± 1945 ... ...
LH2417 10:54:14.89 +57:45:57.7 0.23 0.25 1.20 93 0.37 ± 0.01 <1.38 2.27 ± 0.43 >268 163 ± 47 >1.64
LH4721 10:54:57.39 +58:31:53.5 0.20 0.20 11.89 ± 0.01 <2.19 out >5429 ... ...
LH0943 10:55:48.54 +57:18:27.8 0.20 0.20 13.65 ± 0.01 <1.32 <1.53 >10341 >8922 ...
LH1019 10:55:56.59 +57:19:59.6 0.21 0.21 0.80 ± 0.01 <1.05 <1.53 >762 >523 ...

Notes.Column (1): field name; Col. (2): source identifier; Cols. (3) and (4): position of the radio source; Cols. (5) and (6): uncertainties in the radio position; Cols. (7) and (8): distance from the claimed IR counterpart; Col. (9): reliability of the identification (this value refers to the cross-matched 3.6 μm counterpart, unless the counterpart has been detected only at 4.5 μm); Col. (10): 1.4 GHz flux density; Cols. (11) and (12): measured 3.6 and 4.5 μm flux densities (3σ upper limits are provided in case of no detection); Cols. (13) and (14): 1.4 GHz-to-3.6 μm and 1.4 GHz-to-4.5 μm flux ratios, respectively (3σ lower limits are provided in case of no detection); Col. (15): 4.5 μm-to-3.6 μm flux ratio (3σ upper/lower limits are provided in case of detection at only one band); Col. (16): Spectral index (from Franzen et al. 2015, except for ES0973 from Middelberg et al. 2011); Col. (17): Optical magnitude (AB system; band of reference as subscript). We note that in case of unreliable IR identifications we provide both the measured estimates and 3σ limits (following row) for all IR or IR-derived parameters.

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