2022A&A...668A.186S

Query : 2022A&A...668A.186S

2022A&A...668A.186S - Astronomy and Astrophysics, volume 668A186 (2022/12-1)

Extragalactic peaked-spectrum radio sources at low frequencies are young radio galaxies.

SLOB M.M., CALLINGHAM J.R., ROTTGERING H.J.A., WILLIAMS W.L., DUNCAN K.J., DE GASPERIN F., HARDCASTLE M.J. and MILEY G.K.

Abstract (from CDS):

We present a sample of 373 peaked-spectrum (PS) sources with spectral peaks around 150 MHz, selected using a subset of the two LOw Frequency ARray (LOFAR) all-sky surveys, the LOFAR Two Meter Sky Survey and the LOFAR LBA Sky Survey. These LOFAR surveys are the most sensitive low-frequency widefield surveys to date, allowing us to select low-luminosity peaked-spectrum sources. Our sample increases the number of known PS sources in our survey area by a factor 50. The 5 GHz luminosity distribution of our PS sample shows we sample the lowest luminosity PS sources to date by nearly an order of magnitude. Since high-frequency gigahertz-peaked spectrum sources and compact steep-spectrum sources are hypothesised to be the precursors to large radio galaxies, we investigate whether this is also the case for our sample of low-frequency PS sources. Using optical line emission criteria, we find that our PS sources are predominately high-excitation radio galaxies instead of low-excitation radio galaxies, corresponding to a quickly evolving population. We compute the radio source counts of our PS sample, and find they are scaled down by a factor of ≈40 compared to a general sample of radio-loud active galactic nuclei (AGN). This implies that the lifetimes of PS sources are 40 times shorter than large-scale radio galaxies if their luminosity functions are identical. To investigate this, we compute the first radio luminosity function for a homogeneously selected PS sample. We find that for 144 MHz luminosities ≳1025 W Hz–1, the PS luminosity function has the same shape as an unresolved radio-loud AGN population, but shifted down by a factor of ≈-pagination10. We interpret this as strong evidence that these high-luminosity PS sources evolve into large-scale radio-loud AGN. For local low-luminosity PS sources, there is a surplus of PS sources, which we hypothesise to be the addition of frustrated PS sources that do not evolve into large-scale AGN.

Abstract Copyright: © The Authors 2022

Journal keyword(s): galaxies: active - galaxies: evolution - radio continuum: galaxies

VizieR on-line data: <Available at CDS (J/A+A/668/A186): pscat.dat>

Simbad objects: 375

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Number of rows : 375
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 7C 103851.60+464916.00 QSO 10 41 49.4012417640 +46 33 35.933310900           ~ 10 1
2 NVSS J104356+451434 rG 10 43 56.935 +45 14 35.21           ~ 3 1
3 NVSS J104358+474301 rG 10 43 58.735 +47 43 01.48           ~ 4 1
4 7C 104416.80+471921.00 SyG 10 47 12.9563890248 +47 03 32.594257620     19.4     ~ 11 2
5 54P 31 Sy1 10 47 32.6885836752 +47 25 32.035467072   19.24 18.95     ~ 67 1
6 NVSS J104733+450852 rG 10 47 33.7345 +45 08 52.523           ~ 18 1
7 NVSS J104805+480221 rG 10 48 05.409 +48 02 21.01           ~ 2 1
8 NVSS J105239+502740 rG 10 52 39.156 +50 27 41.34           ~ 3 1
9 NVSS J105731+514053 rG 10 57 31.257 +51 40 53.30           ~ 5 1
10 NVSS J105736+505550 rG 10 57 36.827 +50 55 50.18           ~ 6 1
11 NVSS J105841+504734 rG 10 58 41.2228 +50 47 34.761           ~ 3 1
12 NVSS J105948+572112 rG 10 59 48.478 +57 21 13.15           ~ 4 2
13 4C 52.23 rG 11 00 38.275 +52 36 20.16           ~ 4 1
14 NVSS J110224+574727 rG 11 02 24.033 +57 47 25.08           ~ 3 1
15 NVSS J110332+513250 rG 11 03 32.442 +51 32 48.97           ~ 2 1
16 NVSS J110356+492136 rG 11 03 56.073 +49 21 30.62           ~ 3 0
17 NVSS J110412+575213 rG 11 04 12.9568 +57 52 12.848           ~ 6 1
18 7C 110215.80+470927.00 Bla 11 05 07.0711367589 +46 53 18.679842377       16.3   ~ 15 1
19 NVSS J110617+524455 rG 11 06 16.9924 +52 44 55.386           ~ 4 1
20 NVSS J110735+502357 rG 11 07 35.083 +50 23 57.11           ~ 3 1
21 IRAS F11060+5118 Sy2 11 08 52.5993226464 +51 02 25.798728444           ~ 17 0
22 NVSS J110920+454927 rG 11 09 20.240 +45 49 26.87           ~ 3 1
23 SDSS J110946.46+495726.8 QSO 11 09 46.4626957056 +49 57 26.924732712           ~ 10 0
24 NVSS J111012+492144 rG 11 10 12.3135 +49 21 43.379           ~ 3 0
25 ICRF J111036.3+481752 Sy2 11 10 36.3247 +48 17 52.444   21.74 20.79     ~ 76 1
26 NVSS J111144+552406 rG 11 11 44.261 +55 24 06.25           ~ 2 1
27 NVSS J111211+510031 rG 11 12 11.535 +51 00 30.77           ~ 1 0
28 NVSS J111214+490916 rG 11 12 14.948 +49 09 14.39           ~ 2 1
29 NVSS J111354+472952 rG 11 13 54.768 +47 29 53.31           ~ 3 1
30 ILT J111455.47+495615.3 rG 11 14 55.46 +49 56 15.3           ~ 1 0
31 NVSS J111513+500901 rG 11 15 13.4720 +50 09 01.159           ~ 5 1
32 NVSS J111538+503025 rG 11 15 38.483 +50 30 25.70           ~ 4 1
33 SDSS J111636.10+583231.3 QSO 11 16 36.1253441592 +58 32 31.018868520           ~ 12 1
34 NVSS J111820+475659 rG 11 18 20.5503821040 +47 56 58.880413032           ~ 6 1
35 NVSS J111844+480129 rG 11 18 44.770 +48 01 28.43           ~ 2 0
36 NVSS J111853+522341 rG 11 18 53.691 +52 23 41.26           ~ 1 0
37 NVSS J111934+524029 rG 11 19 34.538 +52 40 29.65           ~ 2 0
38 NVSS J112049+602755 rG 11 20 49.23 +60 27 55.5           ~ 2 0
39 NVSS J112152+493225 rG 11 21 52.3013034528 +49 32 25.113121260           ~ 6 1
40 NVSS J112215+550046 rG 11 22 15.2692341768 +55 00 45.754584876           ~ 3 1
41 NVSS J112231+505858 rG 11 22 31.219 +50 58 58.23           ~ 1 0
42 NVSS J112238+475435 rG 11 22 38.713 +47 54 35.19           ~ 4 1
43 NVSS J112243+501010 rG 11 22 43.743 +50 10 09.97           ~ 4 1
44 NVSS J112330+551226 rG 11 23 30.075 +55 12 26.85           ~ 3 0
45 NVSS J112341+533724 rG 11 23 41.054 +53 37 24.39           ~ 3 1
46 NVSS J112529+500014 rG 11 25 29.94928 +50 00 13.5379           ~ 7 1
47 ILT J112618.53+593256.7 rG 11 26 18.53 +59 32 56.7           ~ 1 0
48 NVSS J112649+483046 rG 11 26 49.4971 +48 30 45.717           ~ 7 1
49 NVSS J112654+531542 rG 11 26 54.213 +53 15 41.83           ~ 3 1
50 6C 112454+575949 QSO 11 27 43.761 +57 43 15.60           ~ 12 1
51 NVSS J112805+482258 rG 11 28 05.186 +48 22 56.57           ~ 7 1
52 NVSS J112842+521836 rG 11 28 43.036 +52 18 36.36           ~ 3 1
53 SDSS J112847.12+564659.1 QSO 11 28 47.1447104568 +56 46 58.864142136           ~ 13 1
54 SDSS J112904.11+563844.1 AGN 11 29 04.114 +56 38 44.11           ~ 6 2
55 NVSS J113040+550220 rG 11 30 40.271 +55 02 19.98           ~ 3 1
56 NVSS J113118+551415 rG 11 31 18.780 +55 14 14.29           ~ 3 1
57 NVSS J113148+571857 rG 11 31 48.293 +57 18 57.17           ~ 3 1
58 ILT J113217.07+583734.9 rG 11 32 17.06 +58 37 34.9           ~ 1 0
59 6C 112945+451145 QSO 11 32 23.7698 +44 55 10.373           ~ 14 1
60 Mrk 176 Sy2 11 32 40.2448971432 +52 57 01.289256768   15.50 14.61 13.52   ~ 244 1
61 ILT J113311.24+534241.0 rG 11 33 11.24 +53 42 41.1           ~ 1 0
62 NVSS J113441+524546 rG 11 34 41.050 +52 45 47.56           ~ 1 0
63 ILT J113525.64+594330.0 rG 11 35 25.64 +59 43 30.1           ~ 1 0
64 NVSS J113543+514706 rG 11 35 43.240 +51 47 06.55           ~ 1 0
65 7C 113344.10+570016.00 QSO 11 36 27.9584134272 +56 43 41.804482944   20.57 19.97 18.68   ~ 25 1
66 NVSS J113641+541126 rG 11 36 41.240 +54 11 25.70           ~ 2 1
67 NVSS J113923+530055 rG 11 39 23.141 +53 00 54.56           ~ 3 2
68 ILT J113930.86+535533.9 rG 11 39 30.86 +53 55 33.9           ~ 1 0
69 7C 113854.20+571638.00 QSO 11 41 36.8622035784 +56 59 56.033696796           ~ 7 1
70 6C 113914+500218 QSO 11 41 54.8254 +49 45 06.564           ~ 18 1
71 ILT J114316.82+601314.2 rG 11 43 16.82 +60 13 14.2           ~ 1 0
72 NVSS J114500+515750 rG 11 45 00.472 +51 57 50.10           ~ 3 1
73 ILT J114742.18+550343.8 rG 11 47 42.18 +55 03 43.9           ~ 1 0
74 NGC 3894 Bla 11 48 50.35817663 +59 24 56.3822416   12.9   11.57   ~ 268 1
75 ILT J114930.13+485805.3 rG 11 49 30.13 +48 58 05.4           ~ 1 0
76 NVSS J115015+520459 rG 11 50 15.3050 +52 04 59.244           ~ 3 1
77 SDSS J115103.01+592335.0 QSO 11 51 03.0050903736 +59 23 35.001849084   20.07 19.98     ~ 14 2
78 NVSS J115227+522744 rG 11 52 27.015 +52 27 44.53           ~ 2 1
79 NVSS J115244+494647 rG 11 52 44.067 +49 46 47.16           ~ 4 1
80 NVSS J115612+461611 rG 11 56 12.2350 +46 16 09.300           ~ 3 1
81 NVSS J115720+545739 rG 11 57 20.5098 +54 57 39.426           ~ 5 1
82 NVSS J115822+532634 rG 11 58 22.719 +53 26 32.77           ~ 1 0
83 ILT J115919.27+582846.5 rG 11 59 19.27 +58 28 46.6           ~ 1 0
84 NVSS J120003+485026 rG 12 00 03.143 +48 50 25.97           ~ 2 1
85 4C 46.25 rG 12 00 31.1534 +45 48 42.610           ~ 21 1
86 NVSS J120046+545029 rG 12 00 46.448 +54 50 29.04           ~ 3 1
87 NVSS J120110+520516 rG 12 01 10.057 +52 05 16.12           ~ 3 1
88 [VV2006] J120113.1+550533 QSO 12 01 13.0547673696 +55 05 34.115331012   18.61 18.27     ~ 34 1
89 NVSS J120200+530808 rG 12 02 00.749 +53 08 07.26           ~ 3 1
90 NVSS J120221+482514 rG 12 02 21.184 +48 25 13.79           ~ 5 1
91 ILT J120316.71+544023.9 rG 12 03 16.71 +54 40 24.0           ~ 1 0
92 NVSS J120331+473323 rG 12 03 31.025 +47 33 20.13           ~ 1 0
93 NVSS J120331+463255 rG 12 03 31.7958 +46 32 55.562           ~ 23 1
94 NVSS J120508+564825 rG 12 05 08.446 +56 48 26.45           ~ 2 1
95 SDSS J120748.90+592619.9 QSO 12 07 48.90935 +59 26 19.8971           ~ 5 1
96 ILT J120821.63+471119.3 rG 12 08 21.63 +47 11 19.4           ~ 1 0
97 7C 120625.10+465801.00 LIN 12 08 55.5979656864 +46 41 13.764122052           ~ 14 1
98 NVSS J120920+525608 rG 12 09 20.408 +52 56 07.47           ~ 3 1
99 ILT J121000.96+474750.4 rG 12 10 00.96 +47 47 50.4           ~ 1 0
100 NVSS J121040+452853 rG 12 10 40.131 +45 28 53.22           ~ 3 1
101 NVSS J121101+580128 rG 12 11 01.818 +58 01 27.68           ~ 1 0
102 ILT J121159.44+472841.7 rG 12 11 59.44 +47 28 41.7           ~ 1 0
103 NVSS J121203+582207 rG 12 12 03.1573 +58 22 06.618           ~ 4 1
104 NVSS J121256+601809 rG 12 12 56.218 +60 18 09.87           ~ 2 1
105 NVSS J121304+534846 rG 12 13 04.299 +53 48 45.16           ~ 2 1
106 NVSS J121640+463013 rG 12 16 40.811 +46 30 13.35           ~ 3 1
107 NVSS J121731+543020 rG 12 17 31.080 +54 30 18.25           ~ 2 0
108 NVSS J121803+531838 rG 12 18 03.199 +53 18 39.00           ~ 3 1
109 6C 121638+484640 Bla 12 19 06.41475008 +48 29 56.1647529   21.22 20.49 19.90   ~ 146 1
110 NVSS J121916+551438 rG 12 19 15.818 +55 14 43.30           ~ 2 1
111 ILT J121918.89+473012.0 rG 12 19 19.03 +47 30 13.3           ~ 2 0
112 NVSS J121931+464450 rG 12 19 31.797 +46 44 49.68           ~ 4 1
113 NVSS J121953+612902 rG 12 19 53.760 +61 29 03.89           ~ 2 1
114 NVSS J122028+591222 rG 12 20 28.407 +59 12 21.10           ~ 2 0
115 ILT J122203.69+604957.9 rG 12 22 03.69 +60 49 58.0           ~ 1 0
116 NVSS J122249+524135 rG 12 22 49.88 +52 41 35.3           ~ 2 0
117 NVSS J122329+582733 rG 12 23 29.383 +58 27 33.34           ~ 2 1
118 6C 122116+505501 BLL 12 23 43.1690899704 +50 37 53.412268908   18.62 18.05     ~ 55 1
119 7C 122131.89+482942.00 QSO 12 23 58.2306 +48 12 57.667   21.1 20.2     ~ 27 1
120 NVSS J122619+604741 rG 12 26 19.284 +60 47 41.51           ~ 3 1
121 NVSS J122642+475030 rG 12 26 42.984 +47 50 30.10           ~ 1 0
122 SDSS J122739.42+574539.8 QSO 12 27 39.4218260376 +57 45 39.791618064           ~ 5 1
123 NVSS J122741+584756 rG 12 27 41.567 +58 47 55.96           ~ 3 1
124 NVSS J122813+544037 rG 12 28 13.339 +54 40 37.42           ~ 3 1
125 ILT J122832.93+602035.5 rG 12 28 32.93 +60 20 35.6           ~ 1 0
126 Z 244-25 QSO 12 30 11.8521285960 +47 00 22.654126404   15.6       ~ 49 1
127 NVSS J123146+574153 rG 12 31 46.130 +57 41 54.21           ~ 1 0
128 NVSS J123251+520956 rG 12 32 51.834 +52 09 56.04           ~ 3 1
129 NVSS J123253+540137 rG 12 32 53.132 +54 01 38.30           ~ 3 1
130 NVSS J123256+472744 rG 12 32 56.725 +47 27 45.37           ~ 1 0
131 SDSS J123303.83+592944.6 QSO 12 33 03.8348255592 +59 29 44.492238060           ~ 10 1
132 NVSS J123320+561301 rG 12 33 20.239 +56 13 01.13           ~ 3 1
133 NVSS J123417+550313 rG 12 34 17.160 +55 03 12.94           ~ 5 1
134 ILT J123444.23+600548.9 rG 12 34 44.23 +60 05 48.9           ~ 1 0
135 NVSS J123528+542858 rG 12 35 28.526 +54 28 58.83           ~ 3 1
136 NVSS J123632+471600 rG 12 36 32.414 +47 16 02.59           ~ 1 0
137 NVSS J123642+504314 rG 12 36 42.968 +50 43 12.87           ~ 2 1
138 ILT J123808.96+584727.5 rG 12 38 08.96 +58 47 27.6           ~ 1 0
139 NVSS J124058+614232 rG 12 40 59.005 +61 42 32.71           ~ 2 1
140 NVSS J124155+592401 rG 12 41 55.054 +59 24 01.54           ~ 3 1
141 NVSS J124517+575927 rG 12 45 17.6144 +57 59 27.748           ~ 5 0
142 [VV2006] J124611.4+575459 QSO 12 46 11.4228426072 +57 54 59.169066984   20.92 20.68     ~ 18 0
143 NVSS J124830+610129 rG 12 48 30.507 +61 01 28.95           ~ 2 0
144 NVSS J124855+512448 rG 12 48 55.166 +51 24 46.93           ~ 1 0
145 NVSS J124910+554855 rG 12 49 10.7158 +55 48 54.466           ~ 2 0
146 NVSS J124944+523315 rG 12 49 44.865 +52 33 15.77           ~ 2 1
147 NVSS J125024+604346 rG 12 50 24.469 +60 43 46.84           ~ 3 1
148 NVSS J125150+513037 rG 12 51 49.952 +51 30 38.27           ~ 2 1
149 NVSS J125152+590412 rG 12 51 52.686 +59 04 12.77           ~ 3 1
150 NVSS J125203+532558 rG 12 52 03.2998 +53 25 57.971           ~ 5 1
151 SDSS J125300.15+524803.4 QSO 12 53 00.15270 +52 48 03.3996           ~ 14 1
152 NVSS J125410+533555 rG 12 54 10.718 +53 35 54.36           ~ 2 1
153 ILT J125511.14+531003.1 rG 12 55 11.22 +53 10 02.8           ~ 2 1
154 NVSS J125702+594830 rG 12 57 00.648 +59 48 29.36           ~ 1 0
155 NVSS J125820+542922 rG 12 58 20.424 +54 29 22.45           ~ 1 0
156 NVSS J125855+571705 rG 12 58 55.966 +57 17 04.89           ~ 3 1
157 7C 125916.50+465013.00 BLL 13 01 32.60628738 +46 34 02.9396004   19.86 18.94 14.64   ~ 47 1
158 NVSS J130228+581846 rG 13 02 28.579 +58 18 47.24           ~ 6 1
159 NVSS J130239+553812 rG 13 02 39.146 +55 38 13.72           ~ 1 0
160 NVSS J130310+574130 rG 13 03 10.6530135216 +57 41 30.741810792           ~ 5 1
161 SDSS J130310.69+574336.8 QSO 13 03 10.6916962176 +57 43 36.794319960           ~ 12 1
162 ILT J130350.64+523357.9 rG 13 03 50.64 +52 33 57.9           ~ 1 0
163 NVSS J130406+512810 rG 13 04 06.268 +51 28 10.21           ~ 3 1
164 NVSS J130448+505624 rG 13 04 48.01436 +50 56 23.2160           ~ 8 1
165 NVSS J130450+473853 rG 13 04 50.226 +47 38 53.16           ~ 3 1
166 NVSS J130457+535912 rG 13 04 57.767 +53 59 13.75           ~ 3 1
167 NVSS J130630+585842 rG 13 06 29.984 +58 58 43.36           ~ 4 1
168 NVSS J130919+451557 rG 13 09 19.466 +45 15 57.46           ~ 1 0
169 NVSS J131035+471416 rG 13 10 35.1338 +47 14 16.161           ~ 6 1
170 NVSS J131111+515248 rG 13 11 11.984 +51 52 49.14           ~ 2 1
171 NVSS J131131+482339 rG 13 11 31.933 +48 23 39.80           ~ 1 0
172 ILT J131201.10+590301.6 rG 13 12 01.10 +59 03 01.7           ~ 1 0
173 NVSS J131204+544535 rG 13 12 04.384 +54 45 34.08           ~ 2 1
174 NVSS J131238+543257 rG 13 12 38.549 +54 32 57.40           ~ 3 2
175 ILT J131333.64+490406.3 rG 13 13 33.64 +49 04 06.3           ~ 1 0
176 NVSS J131403+470921 rG 13 14 03.829 +47 09 20.43           ~ 1 0
177 NVSS J131443+522640 rG 13 14 43.4312 +52 26 39.596           ~ 5 1
178 NVSS J131640+574134 rG 13 16 40.534 +57 41 35.70           ~ 3 1
179 NVSS J131809+613336 rG 13 18 09.044 +61 33 36.40           ~ 5 1
180 NVSS J131823+562347 rG 13 18 23.073 +56 23 47.84           ~ 2 1
181 NVSS J131845+455134 rG 13 18 45.245 +45 51 34.06           ~ 2 0
182 NVSS J132032+522440 rG 13 20 32.783 +52 24 39.99           ~ 2 1
183 NVSS J132055+445429 rG 13 20 55.070 +44 54 29.77           ~ 3 1
184 NVSS J132118+522916 rG 13 21 18.069 +52 29 15.47           ~ 3 1
185 ILT J132126.43+542246.4 rG 13 21 26.43 +54 22 46.5           ~ 1 0
186 NVSS J132415+612057 rG 13 24 16.009 +61 20 56.71           ~ 2 1
187 NVSS J132514+570105 rG 13 25 14.317 +57 01 05.68           ~ 5 1
188 NVSS J132547+505500 rG 13 25 47.6078630808 +50 55 00.367389228           ~ 5 1
189 NVSS J132556+483144 rG 13 25 56.832 +48 31 44.90           ~ 3 1
190 NVSS J132712+534120 rG 13 27 12.768 +53 41 20.58           ~ 4 1
191 NVSS J132713+491410 rG 13 27 12.929 +49 14 09.42           ~ 3 1
192 NVSS J132750+590811 rG 13 27 50.589 +59 08 10.30           ~ 1 0
193 NVSS J132843+514042 rG 13 28 43.071 +51 40 41.37           ~ 2 1
194 NVSS J133001+554635 rG 13 30 01.893 +55 46 35.21           ~ 3 1
195 NVSS J133023+462656 rG 13 30 23.996 +46 26 55.44           ~ 3 1
196 NVSS J133109+513302 rG 13 31 09.489 +51 33 02.27           ~ 2 1
197 6C 133129+451541 QSO 13 33 36.5113843320 +45 00 13.584136248           ~ 11 1
198 NVSS J133535+572627 rG 13 35 35.374 +57 26 26.95           ~ 4 1
199 NVSS J133635+572146 rG 13 36 35.161 +57 21 47.00           ~ 2 0
200 NVSS J133724+522425 rG 13 37 24.591 +52 24 24.83           ~ 3 1
201 NVSS J133845+461227 rG 13 38 45.914 +46 12 28.05           ~ 3 1
202 NVSS J134004+500827 rG 13 40 04.2031664808 +50 08 26.774267820           ~ 4 0
203 NVSS J134019+472058 rG 13 40 19.452 +47 20 58.34           ~ 4 1
204 NVSS J134122+515429 rG 13 41 22.783 +51 54 29.03           ~ 2 1
205 NVSS J134320+530955 rG 13 43 20.933 +53 09 54.17           ~ 3 1
206 6C 134149+481908 QSO 13 43 50.5833164568 +48 03 58.882905036           ~ 12 1
207 NVSS J134529+604335 rG 13 45 29.414 +60 43 33.39           ~ 1 0
208 NVSS J134620+455707 rG 13 46 20.1304 +45 57 06.958           ~ 4 1
209 7C 134438.10+464421.00 QSO 13 46 40.5867958440 +46 29 13.788907656           ~ 13 1
210 ILT J134815.92+543818.2 rG 13 48 15.91 +54 38 18.2           ~ 1 0
211 NVSS J134959+460330 rG 13 49 59.411 +46 03 29.41           ~ 3 1
212 NVSS J135153+461538 rG 13 51 53.089 +46 15 39.15           ~ 3 1
213 NVSS J135316+504300 rG 13 53 16.1014 +50 43 00.016           ~ 4 1
214 SDSS J135335.71+604208.0 QSO 13 53 35.7070057248 +60 42 07.954099128           ~ 10 1
215 NVSS J135542+504608 rG 13 55 42.924 +50 46 08.21           ~ 3 1
216 NVSS J135557+554050 rG 13 55 57.828 +55 40 50.15           ~ 2 1
217 ILT J135645.43+550357.1 rG 13 56 45.43 +55 03 57.1           ~ 1 0
218 ILT J135709.26+584345.9 rG 13 57 09.26 +58 43 45.9           ~ 1 0
219 ILT J135717.71+524327.5 rG 13 57 17.71 +52 43 27.6           ~ 1 0
220 NVSS J135748+612400 rG 13 57 49.068 +61 24 01.57           ~ 3 1
221 NVSS J140038+614121 rG 14 00 38.238 +61 41 22.85           ~ 2 1
222 NVSS J140046+562242 rG 14 00 46.290 +56 22 41.00           ~ 2 1
223 NVSS J140152+500216 rG 14 01 52.348 +50 02 16.62           ~ 3 1
224 NVSS J140213+444858 rG 14 02 13.232 +44 48 58.56           ~ 3 2
225 NVSS J140250+613122 rG 14 02 50.931 +61 31 13.23           ~ 1 0
226 NVSS J140255+593511 rG 14 02 55.423 +59 35 11.63           ~ 2 1
227 NVSS J140527+474913 rG 14 05 27.092 +47 49 12.74           ~ 1 0
228 SDSS J140736.65+483737.5 QSO 14 07 36.6526683528 +48 37 37.541796348   19.93 19.71     ~ 19 0
229 NVSS J140928+473351 rG 14 09 28.019 +47 33 50.87           ~ 2 0
230 FIRST J141011.1+490957 Sy1 14 10 11.1215 +49 09 57.722   23.40 22.21     ~ 3 0
231 NVSS J141036+485040 rG 14 10 36.039 +48 50 40.41           ~ 5 1
232 7C 141113.50+503330.00 QSO 14 13 02.2871661123 +50 19 27.270713276           ~ 11 1
233 [VV2006] J141312.6+564113 QSO 14 13 12.5841902376 +56 41 13.322248656   18.07 17.78     ~ 30 0
234 NVSS J141344+454734 rG 14 13 44.659 +45 47 34.41           ~ 3 1
235 NVSS J141408+585218 rG 14 14 08.4747 +58 52 17.861           ~ 4 1
236 NVSS J141528+600642 rG 14 15 28.459 +60 06 42.23           ~ 1 0
237 NVSS J141550+565654 rG 14 15 49.934 +56 56 55.89           ~ 1 0
238 NVSS J141552+502754 rG 14 15 52.271 +50 27 55.02           ~ 3 1
239 NVSS J141620+582450 rG 14 16 20.682 +58 24 50.74           ~ 2 1
240 FIRST J141621.8+522503 rG 14 16 21.856 +52 25 03.48           ~ 2 1
241 NVSS J141639+512139 rG 14 16 39.91 +51 21 39.8           ~ 2 0
242 NVSS J141642+460300 rG 14 16 42.60814 +46 03 00.2146           ~ 5 1
243 ILT J141916.92+495918.4 rG 14 19 16.93 +49 59 18.5           ~ 1 0
244 NVSS J142012+475954 rG 14 20 12.8412 +47 59 51.564           ~ 2 0
245 NVSS J142148+463759 rG 14 21 48.7359 +46 37 55.488           ~ 2 0
246 NVSS J142257+535032 rG 14 22 57.341 +53 50 31.11           ~ 1 0
247 2MASX J14231652+4608441 Sy2 14 23 16.5340512360 +46 08 44.339548560           ~ 19 0
248 NVSS J142329+544504 rG 14 23 29.3502 +54 45 04.628           ~ 6 1
249 NVSS J142337+574454 rG 14 23 37.384 +57 44 54.45           ~ 2 1
250 NVSS J142357+452507 rG 14 23 57.298 +45 25 06.45           ~ 5 1
251 ILT J142442.59+461058.3 rG 14 24 42.59 +46 10 58.3           ~ 1 0
252 NVSS J142506+453223 rG 14 25 06.070 +45 32 23.48           ~ 3 1
253 ILT J142621.50+485844.2 rG 14 26 21.50 +48 58 44.3           ~ 1 0
254 NVSS J142623+490814 rG 14 26 23.610 +49 08 14.62           ~ 3 1
255 SDSS J142642.13+555855.6 Sy1 14 26 42.1338942432 +55 58 55.657910532   19.34 18.69     ~ 10 0
256 SDSS J142652.43+463927.2 Sy1 14 26 52.4311168392 +46 39 27.180507960           ~ 9 0
257 NVSS J142653+503325 rG 14 26 53.094 +50 33 24.15           ~ 3 1
258 2MASX J14265696+4908367 Sy2 14 26 56.9280007728 +49 08 36.695280192           ~ 9 0
259 NVSS J142718+550439 rG 14 27 18.3596 +55 04 40.003           ~ 4 1
260 7C 142636.70+490605.00 QSO 14 28 25.5267302736 +48 52 19.287885612   20.45 20.06     ~ 20 1
261 NVSS J142826+605952 rG 14 28 26.094 +60 59 51.31           ~ 3 1
262 NVSS J142827+453351 rG 14 28 27.704 +45 33 53.22           ~ 1 0
263 NVSS J142840+523654 rG 14 28 40.028 +52 36 54.59           ~ 1 0
264 NVSS J142933+445731 rG 14 29 33.694 +44 57 31.08           ~ 3 1
265 NVSS J142934+503859 Rad 14 29 34.303 +50 38 59.68           ~ 1 0
266 ILT J143015.85+614449.3 rG 14 30 15.85 +61 44 49.3           ~ 1 0
267 SDSS J143140.41+464217.0 QSO 14 31 40.4114160000 +46 42 16.983893016           ~ 7 1
268 NVSS J143148+593341 rG 14 31 48.604 +59 33 40.87           ~ 3 1
269 ILT J143217.93+472838.6 rG 14 32 17.93 +47 28 38.7           ~ 1 0
270 NVSS J143222+483442 rG 14 32 22.221 +48 34 42.74       18.8   ~ 3 0
271 NVSS J143312+600908 rG 14 33 11.923 +60 09 07.18           ~ 2 1
272 NVSS J143319+584607 rG 14 33 19.585 +58 46 08.02           ~ 1 0
273 NVSS J143322+502050 rG 14 33 22.460 +50 20 50.36           ~ 3 1
274 [VV2006] J143323.1+452323 QSO 14 33 23.1651405360 +45 23 23.468626320   19.67 19.47     ~ 25 1
275 [VV2006] J143340.3+512019 QSO 14 33 40.3459688592 +51 20 19.342512564   19.85 19.49     ~ 36 1
276 NVSS J143521+535025 rG 14 35 21.066 +53 50 27.09           ~ 2 1
277 NVSS J143544+593916 rG 14 35 44.012 +59 39 16.36           ~ 3 1
278 NVSS J143551+564234 rG 14 35 51.350 +56 42 33.15           ~ 1 0
279 6C 143417+473823 QSO 14 36 06.6227521368 +47 25 31.904932332   20.32 19.56 18.73   ~ 24 1
280 NVSS J143619+552452 rG 14 36 19.984 +55 24 51.72           ~ 3 1
281 NVSS J143744+460044 rG 14 37 44.6203 +46 00 43.655           ~ 3 1
282 NVSS J143832+483154 rG 14 38 33.019 +48 31 54.49           ~ 2 1
283 NVSS J143905+502026 rG 14 39 05.249 +50 20 27.52           ~ 1 0
284 NVSS J143938+523457 rG 14 39 38.533 +52 34 57.33           ~ 2 1
285 7C 143757.60+461551.00 BLL 14 39 46.1410280400 +46 03 11.117150280   19.5 19.19 19.2   ~ 14 1
286 NVSS J143947+482215 rG 14 39 47.348 +48 22 12.76           ~ 2 1
287 NVSS J143947+464748 rG 14 39 47.860 +46 47 48.60           ~ 3 1
288 NVSS J144008+452248 rG 14 40 08.206 +45 22 48.65           ~ 3 2
289 NVSS J144017+610842 rG 14 40 17.8678 +61 08 42.881           ~ 11 1
290 NVSS J144054+474341 rG 14 40 54.580 +47 43 39.68           ~ 1 0
291 NVSS J144101+474943 rG 14 41 01.23 +47 49 43.4           ~ 2 0
292 ILT J144132.95+602627.2 rG 14 41 32.94 +60 26 27.2           ~ 1 0
293 NVSS J144136+494106 rG 14 41 36.5552 +49 41 07.079           ~ 3 1
294 NVSS J144227+575647 rG 14 42 27.155 +57 56 48.48           ~ 2 1
295 NVSS J144309+591811 rG 14 43 09.969 +59 18 10.68           ~ 4 1
296 4C 50.38 rG 14 43 43.183 +50 34 31.87           ~ 14 1
297 NVSS J144558+600700 rG 14 45 58.418 +60 06 59.61           ~ 3 1
298 SDSS J144703.60+500516.5 QSO 14 47 03.6051458208 +50 05 16.477572300           ~ 7 0
299 NVSS J144734+481024 rG 14 47 34.314 +48 10 22.89           ~ 3 1
300 NVSS J144826+472030 rG 14 48 26.7157454334 +47 20 30.358733502           ~ 5 1
301 NVSS J144934+455429 rG 14 49 34.300 +45 54 29.84           ~ 3 1
302 NVSS J144937+512859 rG 14 49 37.139 +51 28 58.15           ~ 2 1
303 NVSS J145022+591101 rG 14 50 23.012 +59 11 00.75           ~ 4 1
304 4C 53.32 rG 14 50 30.497 +53 20 00.73           ~ 4 1
305 NVSS J145050+483703 rG 14 50 50.341 +48 37 02.83           ~ 1 0
306 NVSS J145145+495949 rG 14 51 45.177 +49 59 49.78           ~ 1 0
307 ILT J145204.23+522633.3 rG 14 52 04.23 +52 26 33.4           ~ 1 0
308 NVSS J145313+551709 rG 14 53 13.779 +55 17 09.39           ~ 2 1
309 ILT J145337.79+495416.4 rG 14 53 37.79 +49 54 16.5           ~ 1 0
310 NVSS J145338+535338 rG 14 53 38.7504 +53 53 37.429           ~ 5 1
311 NVSS J145353+502205 rG 14 53 53.068 +50 22 05.86           ~ 2 1
312 NVSS J145519+553423 rG 14 55 19.361 +55 34 22.80           ~ 2 0
313 NVSS J145812+474251 rG 14 58 12.957 +47 42 51.50           ~ 1 0
314 NVSS J145854+474652 rG 14 58 54.168 +47 46 48.10           ~ 2 1
315 ILT J145936.34+471451.4 rG 14 59 36.34 +47 14 51.4           ~ 1 0
316 NVSS J150133+493220 rG 15 01 33.047 +49 32 21.40           ~ 2 1
317 NVSS J150143+491347 rG 15 01 43.899 +49 13 47.26           ~ 2 0
318 NVSS J150145+481502 rG 15 01 45.213 +48 15 02.93           ~ 3 1
319 NVSS J150148+512852 rG 15 01 48.820 +51 28 52.68           ~ 3 1
320 NVSS J150228+575617 rG 15 02 28.375 +57 56 16.54           ~ 2 1
321 NVSS J150314+524424 rG 15 03 15.021 +52 44 23.46           ~ 2 1
322 NVSS J150339+563547 rG 15 03 39.682 +56 35 47.86           ~ 2 1
323 NVSS J150343+524143 rG 15 03 43.895 +52 41 43.06           ~ 4 2
324 NVSS J150347+483230 rG 15 03 47.888 +48 32 31.72           ~ 3 1
325 NVSS J150437+463126 rG 15 04 38.062 +46 31 26.13           ~ 1 0
326 6C 150325+545008 AGN 15 04 51.1859 +54 38 39.598           ~ 9 1
327 NVSS J150525+555349 rG 15 05 25.298 +55 53 49.49           ~ 3 1
328 NVSS J150630+464555 rG 15 06 30.6807 +46 45 55.206           ~ 5 2
329 NVSS J150646+454045 rG 15 06 46.7585 +45 40 46.271           ~ 7 1
330 NVSS J150744+600312 rG 15 07 44.313 +60 03 12.68           ~ 3 1
331 NVSS J150747+585728 rG 15 07 47.38610 +58 57 27.6481           ~ 15 1
332 NVSS J150758+523100 rG 15 07 59.0588 +52 31 00.754           ~ 6 1
333 NVSS J150852+513037 rG 15 08 52.6275 +51 30 37.917           ~ 4 1
334 4C 47.40 rG 15 09 19.85185 +47 26 56.1458           ~ 17 1
335 87GB 150825.5+560806 BLL 15 09 47.9502341856 +55 56 17.288589588   17.2 17.91 17.2   ~ 79 2
336 SDSS J150955.97+564103.7 QSO 15 09 55.971 +56 41 03.73           ~ 4 0
337 NVSS J151008+521345 rG 15 10 08.639 +52 13 44.76           ~ 2 1
338 NVSS J151020+524430 rG 15 10 20.202 +52 44 30.20           ~ 4 1
339 NVSS J151129+532734 rG 15 11 29.827 +53 27 34.50           ~ 2 1
340 7C 151022.69+574458.00 QSO 15 11 38.49685 +57 33 49.9499           ~ 4 1
341 NVSS J151515+524853 rG 15 15 15.928 +52 48 53.01           ~ 2 1
342 NVSS J151614+535202 rG 15 16 14.144 +53 52 01.92           ~ 3 1
343 NVSS J151718+504338 rG 15 17 18.216 +50 43 36.70           ~ 2 1
344 6C 151609+560722 QSO 15 17 27.8098456632 +55 56 27.430078992   20.00 19.86     ~ 23 1
345 NVSS J151744+560740 rG 15 17 44.8718 +56 07 40.974           ~ 5 1
346 NVSS J151800+562325 rG 15 17 59.748 +56 23 24.20           ~ 1 0
347 NVSS J151827+582417 rG 15 18 27.015 +58 24 16.63           ~ 4 1
348 7C 152152.00+573215.00 QSO 15 23 04.5213853152 +57 21 52.826535792   18.26 18.00     ~ 35 1
349 NVSS J152305+491345 rG 15 23 05.969 +49 13 45.19           ~ 1 0
350 NVSS J152315+463310 rG 15 23 15.719 +46 33 10.59           ~ 1 0
351 4C 51.32 rG 15 27 46.745 +51 42 26.27           ~ 4 1
352 NVSS J152758+552607 rG 15 27 58.030 +55 26 08.19           ~ 1 0
353 NVSS J152849+485153 rG 15 28 49.368 +48 51 54.79           ~ 1 0
354 NVSS J153259+484926 rG 15 32 59.723 +48 49 27.05           ~ 4 1
355 ILT J153718.38+455322.8 rG 15 37 18.38 +45 53 22.8           ~ 1 0
356 NVSS J153733+521644 rG 15 37 33.5225 +52 16 45.139           ~ 5 1
357 7C 153736.50+551225.00 QSO 15 38 51.47710 +55 02 41.6243           ~ 4 1
358 NVSS J153937+503547 rG 15 39 37.148 +50 35 46.69           ~ 2 1
359 7C 153915.00+493306.00 QSO 15 40 43.7324280264 +49 23 23.730712332   21.76 20.96 20.39   ~ 18 1
360 NVSS J154146+455614 rG 15 41 46.5445347936 +45 56 14.364897468           ~ 10 1
361 ILT J154243.68+551724.2 rG 15 42 43.68 +55 17 24.3           ~ 1 0
362 NVSS J154443+482403 rG 15 44 43.025 +48 24 04.85           ~ 3 1
363 7C 154336.10+480114.00 QSO 15 45 08.52983300 +47 51 54.6642312   22.50 21.76 20.80   ~ 51 1
364 NVSS J154557+471243 rG 15 45 57.211 +47 12 42.90           ~ 3 1
365 NVSS J154705+572812 rG 15 47 06.003 +57 28 13.17           ~ 4 1
366 NVSS J154924+551859 rG 15 49 24.883 +55 19 00.15           ~ 3 1
367 NVSS J154931+515849 rG 15 49 31.44 +51 58 49.9           ~ 2 0
368 NVSS J155044+565115 rG 15 50 44.266 +56 51 16.45           ~ 1 0
369 NVSS J155217+455945 rG 15 52 17.221 +45 59 45.13           ~ 5 1
370 NVSS J155244+491627 rG 15 52 44.9281 +49 16 27.760           ~ 4 1
371 NVSS J155405+530305 rG 15 54 05.103 +53 03 04.02           ~ 1 0
372 NVSS J155724+465754 rG 15 57 24.615 +46 57 54.29           ~ 3 1
373 NVSS J155826+545044 rG 15 58 27.126 +54 50 44.45           ~ 2 1
374 NVSS J160130+532536 rG 16 01 30.584 +53 25 37.70           ~ 3 1
375 NVSS J160421+550544 rG 16 04 21.905 +55 05 45.39           ~ 5 1

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