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Table 2

HzRG field densities.

HzRG Redshift rms noise Background Exposure log 10(L500   MHz) # Sources δ ±  Err δ(σ)
        [μJy] [mJy] [s] [W Hz-1] ([1.75′ radius]) [NHzRG/NSWIRE]    
(1) (2) (3) (4) (5) (6) (7) (8) (9)
3C 356.0 1.079 19.5 0.76 450 28.35 8 1.1
MRC0037-258 1.100 22.1 0.75 900 27.72 7 0.7
3C 368.0 1.132 27.6 0.73 450 28.52 11 2.3
6C 0058+495 1.173 24.1 0.85 450 27.33 17 4.7
3C 65 1.176 24.0 0.89 900 28.63 15 3.9
3C 266 1.275 17.3 1.07 900 28.54 15 3.9
MRC0211-256 1.300 20.6 0.79 900 27.78 12 2.7
MRC0114-211 1.410 18.8 0.79 900 28.66 16 4.3
LBDS53w069 1.432 15.8 0.73 2100 26.30 20 5.8
7C1756+6520 1.480 18.7 0.78 450 27.40 15 3.9
7C1751+6809 1.540 18.0 0.78 450 27.46 9 1.5
LBDS53w091 1.552 12.6 0.73 2100 27.04 10 1.9
3C 470 1.653 25.4 0.83 450 28.79 16 4.3
MRC2224-273 1.679 27.6 0.75 900 27.52 11 2.3
6C0132+330 1.710 28.3 1.18 900 27.64 9 1.5
MRC1017-220 1.768 23.0 0.72 900 27.94 15 3.9
3C 239 1.781 26.7 1.07 900 29.00 10 1.9
3C 294 1.786 25.2 0.49 900 28.96 9 1.5
7C1805+6332 1.840 18.5 0.78 450 27.78 21 6.2
6CE0820+3642 1.860 23.3 0.78 900 28.28 7 0.7
6CE0905+3955 1.883 17.5 0.78 900 28.17 8 1.1
MRC0324-228 1.894 16.2 0.79 900 28.49 7 0.7
MRC0350-279 1.900 27.0 0.78 450 28.25 13 3.1
MRC0152-209 1.920 20.6 0.79 360 28.20 12 2.7
MRC2048-272 2.060 23.1 0.76 900 28.72 11 2.3
PKS1138-262 2.156 9.2 1.08 9300 29.07 16 4.3
4C 40.36 2.265 22.3 0.77 450 28.79 13 3.1
TXS0211-122 2.340 25.2 0.53 900 28.48 8 1.1
USS1707+105 2.349 17.7 0.79 900 28.63 10 1.9
USS1410-001 2.363 33.7 1.24 900 28.41 9 1.5
LBDS53w002 2.393 22.8 0.66 450 27.78 14 3.5
6C0930+389 2.395 23.5 1.39 900 28.41 7 0.7
MRC0406-244 2.427 28.7 0.76 450 29.03 9 1.5
4C 23.56 2.483 32.3 0.77 450 28.93 17 4.7
MRC2104-242 2.491 28.4 0.78 900 28.84 12 2.7
WNJ1115+5016 2.540 19.2 1.47 900 27.82 8 1.1
PKS0529-549 2.575 30.5 0.79 450 29.16 18 5.1
MRC2025-218 2.630 25.9 0.76 900 28.74 27 8.7
USS2202+128 2.706 21.4 0.98 900 28.54 13 3.1
MG1019+0534 2.765 22.3 1.44 900 28.57 10 1.9
4C 24.28 2.879 20.4 0.76 900 29.05 10 1.9
4C 28.58 2.891 22.3 0.76 900 28.91 10 1.9
USS0943-242 2.923 17.3 0.66 450 28.62 9 1.5
WNJ0747+3654 2.992 31.5 0.81 900 28.14 15 3.9
B3J2330+3927 3.086 19.4 0.69 450 28.33 11 2.3
MRC0316-257 3.130 23.1 0.79 900 28.95 16 4.3
MRC0251-273 3.160 15.9 0.79 900 28.54 4 –0.5
WNJ1123+3141 3.217 25.9 1.45 900 28.51 4 –0.5
6C1232+39 3.220 19.2 1.10 900 28.93 8 1.1
TNJ0205+2242 3.506 26.5 0.77 900 28.46 6 0.3
TNJ0121+1320 3.516 28.3 0.78 900 28.49 5 –0.1
TXJ1908+7220 3.530 26.0 0.48 450 29.12 12 2.7
USS1243+036 3.570 29.4 1.45 900 29.23 12 2.7
WNJ1911+6342 3.590 19.4 0.77 450 28.14 7 0.7
MG2144+1928 3.592 25.6 0.85 900 29.08 12 2.7
6C0032+412 3.670 21.4 0.77 450 28.75 11 2.3
4C 60.07 3.788 31.4 0.77 450 29.20 9 1.5
4C 41.17 3.792 23.1 0.78 900 29.18 11 2.3
TNJ2007-1316 3.840 18.7 0.76 900 29.13 9 1.5
TNJ1338-1942 4.110 32.0 0.78 900 28.71 10 1.9
8C1435+635 4.250 21.0 0.76 450 29.40 9 1.5
6C0140+326 4.413 24.3 1.39 900 28.73 18 5.1
TNJ0924-2201 5.195 23.1 0.74 450 29.51 7 0.7

Notes. HzRG names, redshifts, rms noise values (for 525 radius apertures, not aperture corrected) and calculated background values in Cols. 1–4. Exposure time is stated in Col. 5. 500 MHz radio luminosities quoted in Col. 6 are taken from De Breuck et al. (2010). 1.75′ radius cells source counts and each field overdensity (with respect to the calculated SWIRE 1.75′ radius fields Gaussian peak, as per Fig. 1) along with their associated small-number statistical error in Cols. 7 and 8. Column 9 shows the field overdensities as a function of σN, corresponding to the probability of finding that given number of sources in a blank, non targeted field. Fields classified as protocluster candidates (20) are in bold font.

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