2018MNRAS.474.4396K

Query : 2018MNRAS.474.4396K

2018MNRAS.474.4396K - Mon. Not. R. Astron. Soc., 474, 4396-4411 (2018/March-2)

The MASIV Survey - IV. Relationship between intra-day scintillation and intrinsic variability of radio AGNs.

KOAY J.Y., MACQUART J.-P., JAUNCEY D.L., PURSIMO T., GIROLETTI M., BIGNALL H.E., LOVELL J.E.J., RICKETT B.J., KEDZIORA-CHUDCZER L., OJHA R. and REYNOLDS C.

Abstract (from CDS):

We investigate the relationship between 5 GHz interstellar scintillation (ISS) and 15 GHz intrinsic variability of compact, radio-selected active galactic nuclei (AGNs) drawn from the Microarcsecond Scintillation-Induced Variability (MASIV) Survey and the Owens Valley Radio Observatory blazar monitoring program. We discover that the strongest scintillators at 5 GHz (modulation index, m5 >= 0.02) all exhibit strong 15 GHz intrinsic variability (m15 >= 0.1). This relationship can be attributed mainly to the mutual dependence of intrinsic variability and ISS amplitudes on radio core compactness at ∼ 100 µas scales, and to a lesser extent, on their mutual dependences on source flux density, arcsec-scale core dominance and redshift. However, not all sources displaying strong intrinsic variations show high amplitude scintillation, since ISS is also strongly dependent on Galactic line-of-sight scattering properties. This observed relationship between intrinsic variability and ISS highlights the importance of optimizing the observing frequency, cadence, timespan and sky coverage of future radio variability surveys, such that these two effects can be better distinguished to study the underlying physics. For the full MASIV sample, we find that Fermi-detected gamma-ray loud sources exhibit significantly higher 5 GHz ISS amplitudes than gamma-ray quiet sources. This relationship is weaker than the known correlation between gamma-ray loudness and the 15 GHz variability amplitudes, most likely due to jet opacity effects.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): scattering - galaxies: active - galaxies: jets - quasars: general - gamma rays: galaxies - radio continuum: galaxies

VizieR on-line data: <Available at CDS (J/MNRAS/474/4396): table1.dat>

Simbad objects: 180

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Number of rows : 180
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 QSO B0003+380 Bla 00 05 57.17538691 +38 20 15.1489639   19.4 18.10 17.16   ~ 155 1
2 PHL 6352 Bla 00 10 33.9907032312 +17 24 18.763369740   17.1 18.0 16.7   ~ 116 1
3 6C 001403+811827 BLL 00 17 08.47489694 +81 35 08.1365094   17.60 16.52 15.95   ~ 405 1
4 QSO J0019+2021 BLL 00 19 37.85449305 +20 21 45.6446105     20.6 19.70   ~ 90 1
5 6C 003542+412035 Bla 00 38 24.84358446 +41 37 06.0002701   19.9 19.9 18.95   ~ 143 1
6 QSO J0056+1625 BLL 00 56 55.29432895 +16 25 13.3409138       19.51   ~ 46 1
7 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
8 ICRF J010549.9+481903 Bz? 01 05 49.92815750 +48 19 03.1928710       23.99   ~ 43 1
9 4C 01.02 Bla 01 08 38.77110544 +01 35 00.3171844   18.54 18.39 19.05   ~ 589 1
10 QSO B0108+388 Bla 01 11 37.31680 +39 06 28.1039     22 22.000   ~ 266 1
11 QSO B0119+115 Bla 01 21 41.59504128 +11 49 50.4132344   19.5 19.70 18.61   ~ 200 1
12 QSO B0119+041 Bla 01 21 56.86169274 +04 22 24.7342932   19.2 19.5 19.40   ~ 200 1
13 PKS J0122+2502 Bla 01 22 38.81598441 +25 02 31.7927370       17.91   ~ 74 1
14 4C 25.05 Bla 01 26 42.79263357 +25 59 01.3001559     17.50 17.86   ~ 177 1
15 6C 013354+473615 Bla 01 36 58.59480326 +47 51 29.1000720     19.50 19.25 15.21 ~ 537 1
16 [VV98] J015127.1+274442 Bla 01 51 27.14617282 +27 44 41.7936549   20.6   20.42   ~ 58 1
17 QSO B0149+218 Bla 01 52 18.05904204 +22 07 07.6997943     18 18.89   ~ 201 1
18 [VV96] J015456.3+474327 Bla 01 54 56.28988519 +47 43 26.5396113       18.97   ~ 55 1
19 4C 15.05 Bla 02 04 50.41389294 +15 14 11.0436097   21.9 21.00 21.00   ~ 426 1
20 6C 021252+733537 BLL 02 17 30.81335327 +73 49 32.6217355     19.00 18.97   ~ 485 1
21 4C 28.07 Bla 02 37 52.40567519 +28 48 08.9899986     19.30 16.99   ~ 654 1
22 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1614 2
23 QSO B0237+040 Bla 02 39 51.26304643 +04 16 21.4117680     18.50 17.34   ~ 116 1
24 QSO B0239+108 Bla 02 42 29.17085078 +11 01 00.7279391   20.0   19.66   ~ 140 1
25 ICRF J024918.0+061951 Bla 02 49 18.01611148 +06 19 51.9479559       17.55   ~ 35 1
26 6C 024820+430300 Bla 02 51 34.53674154 +43 15 15.8292024     18.0 13.72   ~ 221 1
27 QSO B0306+101 Bla 03 09 03.62349423 +10 29 16.3409179   18.45   19.91   ~ 214 1
28 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
29 6C 034014+361233 Bla 03 43 28.95241581 +36 22 12.4297151     20.80 19.78   ~ 87 1
30 ICRF J034506.4+145349 Bla 03 45 06.41653204 +14 53 49.5582378       20.00   ~ 53 1
31 QSO B0400+258 Bla 04 03 05.58608082 +26 00 01.5027775     18 19.00   ~ 220 1
32 QSO B0405-385 Bla 04 06 59.03533781 -38 26 28.0423651   19.55 18.0     ~ 250 2
33 QSO B0406+121 BLL 04 09 22.00871072 +12 17 39.8476330   20.5   18.27   ~ 112 1
34 6C 041122+341140 Bz? 04 14 37.25582968 +34 18 51.2097720       22.83   ~ 37 1
35 QSO B0420+022 BLL 04 22 52.21465085 +02 19 26.9307480     19.5 19.41   ~ 115 1
36 QSO B0459+135 BLL 05 02 33.21951873 +13 38 10.9588181   20.0 20.5 19.22   ~ 66 1
37 QSO B0502+049 Bla 05 05 23.18472514 +04 59 42.7245008   18.7 19.0 17.58   ~ 188 1
38 PMN J0509+0541 BLL 05 09 25.9644373872 +05 41 35.333820420 15.32 14.95 14.78 15.12   ~ 589 2
39 QSO B0507+179 Bla 05 10 02.36912937 +18 00 41.5815635   20.0 19.0 19.09   ~ 470 1
40 QSO J0530+13 Bla 05 30 56.41674741 +13 31 55.1494688     20.00 19.35   ~ 1004 1
41 6C 053713+531053 Bla 05 41 16.17409482 +53 12 24.8345549   18.0 18.0 18.28   ~ 57 1
42 ICRF J055250.1+031327 Bz? 05 52 50.10145853 +03 13 27.2442176       22.79   ~ 65 1
43 6C 062051+385831 Bla 06 24 19.02128805 +38 56 48.7360344   20.0 20.0 19.24   ~ 83 1
44 8C 0633+734 Bla 06 39 21.9609776712 +73 24 58.043668788   16.0 17.3 18.22   ~ 124 1
45 6C 064126+391750 Bla 06 44 53.70959953 +39 14 47.5339198     20.30 19.47   ~ 57 1
46 7C 064253.00+445430.00 Bla 06 46 32.02599653 +44 51 16.5901185   19.57 18.49 18.64   ~ 370 1
47 QSO B0646+600 Bla 06 50 31.25435548 +60 01 44.5549353   18.9 18.6 19.65   ~ 125 1
48 QSO B0650+371 Bla 06 53 58.28283780 +37 05 40.6068779   18.2 18 18.06   ~ 63 1
49 ICRF J072611.7+791131 Bz? 07 26 11.73523889 +79 11 31.0162113       23.08   ~ 53 0
50 6C 072440+570728 Bla 07 28 49.6315528200 +57 01 24.373794072     17.00 15.00   ~ 48 1
51 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 1045 1
52 QSO B0736+01 Bla 07 39 18.03389906 +01 37 04.6177501   16.90 16.47 16.19   ~ 738 1
53 6C 073759+311929 Bla 07 41 10.70330407 +31 12 00.2291151   17.02 16.89 16.322   ~ 468 1
54 QSO B0742+103 Bla 07 45 33.05952486 +10 11 12.6922178     24.00 23.72   ~ 200 1
55 QSO B0745+241 Bla 07 48 36.10928140 +24 00 24.1099425   19.70 18.89 17.88   ~ 239 1
56 QSO B0748+126 Bla 07 50 52.04573865 +12 31 04.8282079   17.67 17.28 17.16   ~ 363 1
57 4C 54.15 BLL 07 53 01.38457270 +53 52 59.6370830   18.5   16.77   ~ 173 1
58 QSO B0754+10 BLL 07 57 06.64295154 +09 56 34.8522544   15.43 15.00 15.99   ~ 461 1
59 QSO J0802+1809 Bla 08 02 48.03197175 +18 09 49.2493330   20.96 20.66 20.43   ~ 56 1
60 6C 080047+615309 Bla 08 05 18.17956222 +61 44 23.7005580       19.64   ~ 154 1
61 7C 080458.39+495918.00 Bla 08 08 39.66628970 +49 50 36.5304041   19.55 19.18 18.34   ~ 389 2
62 QSO B0808+019 BLL 08 11 26.70731711 +01 46 52.2201568   17.58 17.2 17.96   ~ 281 1
63 7C 081451.89+423206.00 BLL 08 18 15.99961476 +42 22 45.4148987   18.88 18.18 17.81   ~ 429 1
64 4C 56.16A Bla 08 24 47.23636459 +55 52 42.6693589   18.52 18.19 17.82   ~ 216 1
65 QSO B0823+033 BLL 08 25 50.33835759 +03 09 24.5199749   17.81 17.23 16.91   ~ 352 1
66 7C 082754.29+242103.00 Bla 08 30 52.08619250 +24 10 59.8202919   17.62 17.26 16.30   ~ 563 1
67 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
68 QSO B0837+035 BLL 08 39 49.19587666 +03 19 53.8594778   20.86 20.53 20.30   ~ 58 1
69 QSO B0839+187 Bla 08 42 05.0940565824 +18 35 40.988568300   16.63 16.36 16.56   ~ 196 2
70 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
71 QSO J0903+6757 Bla 09 03 53.15503767 +67 57 22.6856697   19.5   18.32   ~ 55 1
72 4C 01.24B Bla 09 09 10.09159883 +01 21 35.6176206   17.63 17.29 17.04   ~ 454 2
73 6C 091740+445437 Bla 09 20 58.45848666 +44 41 53.9850947   18.40 18.16 16.55   ~ 407 1
74 6C 091739+622838 Bla 09 21 36.23107643 +62 15 52.1803510   19.76 19.26 18.96   ~ 394 1
75 6C 092554+502611 BLL 09 29 15.4401569832 +50 13 35.990913000   17.18 16.80 15.94   ~ 159 2
76 4C 40.24 Bla 09 48 55.33815103 +40 39 44.5869471   18.31 18.02 17.85   ~ 379 1
77 7C 095359.3+252945 Bla 09 56 49.87537985 +25 15 16.0498155   17.46 17.21 17.96   ~ 367 2
78 US 1139 Bla 09 58 19.67164698 +47 25 07.8424065   18.78 18.62 18.39   ~ 264 1
79 6C 095456+654857 BLL 09 58 47.2451872176 +65 33 54.819354600     17.0 15.75   ~ 771 1
80 QSO J1007+1356 Bla 10 07 41.49808928 +13 56 29.6007670     19.0 18.59   ~ 131 1
81 QSO J1008+0621 BLL 10 08 00.81616040 +06 21 21.2160257 17.61 17.17 17.85 16.73   ~ 123 1
82 Ton 490 Bla 10 13 53.42877250 +24 49 16.4406795   16.59 16.57 15.85   ~ 200 1
83 7C 101358.5+205256 Bla 10 16 44.32210575 +20 37 47.3053485   19.67 19.41 18.67   ~ 91 1
84 7C 1015+3557 Bla 10 18 10.98810472 +35 42 39.4409041   18.62 18.07 17.65   ~ 212 1
85 4C 19.34 Bla 10 24 44.80959654 +19 12 20.4155021   17.95 17.49 16.41   ~ 167 1
86 [VV98] J102556.4+125349 Bla 10 25 56.28536956 +12 53 49.0219212   19.5 18.5 18.96   ~ 60 1
87 4C 06.41 BLL 10 41 17.16249940 +06 10 16.9237327   16.86 16.70 16.14   ~ 302 1
88 6C 103912+811006 Bla 10 44 23.06257022 +80 54 39.4430485     16.5 18.29   ~ 234 1
89 6C 104451+715930 Bla 10 48 27.61992778 +71 43 35.9384142     19.0 17.49   ~ 270 1
90 6C 105327+702759 Bla 10 56 53.61750640 +70 11 45.9155652   18.5 18.5 19.32   ~ 124 1
91 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
92 CTD 74 Bla 11 25 53.71191677 +26 10 19.9787016   18.62 18.51 18.39   ~ 158 1
93 7C 112812.59+383153.00 Bla 11 30 53.28261620 +38 15 18.5469361   19.11 18.80 19.42   ~ 233 1
94 7C 1147+2434 BLL 11 50 19.21218244 +24 17 53.8352318   16.26 15.74 15.80   ~ 294 1
95 8C 1150+812 Bla 11 53 12.49922322 +80 58 29.1545718     19.40 18.54   ~ 248 1
96 Ton 599 Bla 11 59 31.83391383 +29 14 43.8268224   14.80 14.41 17.652 13.39 ~ 989 1
97 6C 121638+484640 Bla 12 19 06.41475008 +48 29 56.1647529   21.22 20.49 19.90   ~ 146 1
98 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
99 4C 04.42 Bla 12 22 22.54962606 +04 13 15.7760715   17.88 17.98 17.06   ~ 354 1
100 7C 130046.50+580438.00 Bla 13 02 52.46528286 +57 48 37.6093029   20.47 19.76 20.63   ~ 124 1
101 QSO B1307+121 BLL 13 09 33.93245274 +11 54 24.5530422 18.95 18.72 18.28 18.16   ~ 158 1
102 US 371 BLL 13 10 28.66385420 +32 20 43.7828340   15.61 15.24 17.91   ~ 917 1
103 QSO B1324+224 Bla 13 27 00.86131319 +22 10 50.1628385     18.90 18.80   ~ 194 1
104 7C 132734.79+320943.00 BLL 13 29 52.86491586 +31 54 11.0544317   20.96 20.23 19.77   ~ 74 1
105 7C 134837.00+304924.00 Bla 13 50 52.73622485 +30 34 53.5906894   18.73 18.34 18.80   ~ 152 1
106 Mrk 668 BLL 14 07 00.39441712 +28 27 14.6901341   16.13 15.35 10.29   ~ 826 3
107 QSO B1413+135 BLL 14 15 58.81751033 +13 20 23.7128587   21.055 20.000 18.461   ~ 476 1
108 6C 141804+543700 BLL 14 19 46.5974051952 +54 23 14.787857796   16.17 15.65 14.16   ~ 630 1
109 6C 141743+383524 Bla 14 19 46.61376262 +38 21 48.4750288   19.88 19.66 19.25   ~ 195 1
110 NVSS J142636+362509 Bla 14 26 37.08750155 +36 25 09.5735425   20.44 19.93 20.27   ~ 92 1
111 7C 143220.1+200536 Bla 14 34 39.79336355 +19 52 00.7357582   20.40 19.81 19.07   ~ 77 1
112 7C 143424.9+233352 Bla 14 36 40.98109364 +23 21 03.2595417   19.50 19.28 19.27   ~ 128 1
113 8C 1435+638 Bla 14 36 45.8021325144 +63 36 37.866905244   17.06 16.86 16.23   ~ 219 1
114 ICRF J144635.3+172107 Bla 14 46 35.34629912 +17 21 07.5809403   21   19.07   ~ 64 1
115 7C 145143.4+270046 BLL 14 53 53.60065208 +26 48 33.4096659   20.53 19.84 20.01   ~ 43 1
116 6C 145908+480258 BLL 15 00 48.65423270 +47 51 15.5381288   20.86 20.21 19.63   ~ 100 1
117 QSO J1505+0326 Bla 15 05 06.47716039 +03 26 30.8125704   19.02 18.62 17.72   ~ 278 1
118 6C 150412+374224 Bla 15 06 09.52997529 +37 30 51.1325012   21.2 21.2 20.60   ~ 213 1
119 QSO B1532+016 Bla 15 34 52.45368345 +01 31 04.2065145   19.0 18.5 18.58   ~ 223 2
120 QSO B1546+0246 Bla 15 49 29.43684740 +02 37 01.1632556   17.57 17.42 15.53   ~ 395 1
121 4C 05.64 Bla 15 50 35.26924234 +05 27 10.4483641   19.10 18.73 19.02   ~ 371 1
122 4C 33.38 Bla 16 02 07.26346417 +33 26 53.0723251     23.0 23   ~ 148 1
123 4C 10.45 Bla 16 08 46.20318700 +10 29 07.7757424   18.5 18.70 18.03   ~ 409 1
124 6C 161147+342017 Bla 16 13 41.06424322 +34 12 47.9088535   17.98 17.46 17.07   ~ 673 1
125 QSO B1614+051 Bla 16 16 37.55681923 +04 59 32.7365717   19.60 19.17 19.49   ~ 195 2
126 QSO J1619+2247 Bla 16 19 14.82460190 +22 47 47.8509104       20.00   ~ 77 1
127 4C 41.32 Bla 16 25 57.66971273 +41 34 40.6292008     22 21.73   ~ 171 1
128 4C 38.41 Bla 16 35 15.49297809 +38 08 04.5005995   18.14 17.97 17.25   ~ 906 1
129 6C 163718+572618 Bla 16 38 13.45629995 +57 20 23.9789828     16.90 16.94   ~ 381 1
130 6C 163852+395305 Bla 16 40 29.63277140 +39 46 46.0284071   18.4 19.37 18.75   ~ 336 2
131 3C 345 Bla 16 42 58.80997043 +39 48 36.9939552   16.81 16.59 16.84   ~ 1808 3
132 ICRF J165103.6+012923 BLL 16 51 03.66236951 +01 29 23.4581070   22.7 21.2 20.50   ~ 79 1
133 QSO J1658+0515 Bla 16 58 33.4471896264 +05 15 16.442476596   17.00 16.54 16.21   ~ 235 1
134 7C 1716+6839 Bla 17 16 13.93798667 +68 36 38.7451988   18.99 18.16 17.67   ~ 137 1
135 QSO B1717+178 BLL 17 19 13.04848035 +17 45 06.4371847   20.10 19.1 17.28   ~ 247 1
136 ICRF J171952.2+081703 Bla 17 19 52.2063161088 +08 17 03.554283336       15.87   ~ 40 1
137 7C 172601.30+453309.00 BLL 17 27 27.65080202 +45 30 39.7312530   19.0 18.10 16.64   ~ 233 2
138 QSO B1725+044 Bla 17 28 24.95272284 +04 27 04.9138307   17.43 16.99 16.24   ~ 245 1
139 7C 173240.70+385949.00 BLL 17 34 20.57853650 +38 57 51.4430945   19.5 19 19.00   ~ 232 1
140 7C 173403.10+361832.00 Bla 17 35 48.08662157 +36 16 45.6114799     20.90 18.76   ~ 50 1
141 7C 173836.20+473929.00 BLL 17 39 57.12907095 +47 37 58.3614787   18.5 19.5 18.88   ~ 147 2
142 4C 51.37 Bla 17 40 36.97784792 +52 11 43.4073694   18.16 18.70 16.73   ~ 441 1
143 QSO B1743+173 Bla 17 45 35.20817856 +17 20 01.4233245     19.0 18.21   ~ 76 1
144 7C 174604.90+465932.00 BLL 17 47 26.64727228 +46 58 50.9262456     21.30 19.17   ~ 64 1
145 4C 09.57 BLL 17 51 32.81857326 +09 39 00.7284066   17.46 16.78 15.57   ~ 1007 1
146 7C 175154.00+441019.00 BLL 17 53 22.64788925 +44 09 45.6862067   19.5 19.5 18.76   ~ 84 1
147 7C 175844.60+384828.00 Bla 18 00 24.76536016 +38 48 30.6974570   17.8 17.98 17.04   ~ 161 1
148 1RXS J180043.6+782806 BLL 18 00 45.6838528560 +78 28 04.018028016   16.4 15.90 16.134   ~ 793 1
149 QSO B1801+010 Bla 18 04 15.9844623720 +01 01 32.407105836     19.00 17.32   ~ 89 1
150 ICRF J181926.5+384501 SyG 18 19 26.54735971 +38 45 01.7860362           ~ 125 1
151 QSO J1824+1044 Bla 18 24 02.85524975 +10 44 23.7739493   17.66 17.27 16.71   ~ 182 1
152 ICRF J183243.4+135744 Bla 18 32 43.47110199 +13 57 44.4005043       18.18   ~ 38 1
153 8C 1842+681 BLL 18 42 33.64168679 +68 09 25.2277637     17.9 18.01   ~ 149 1
154 QSO B1848+283 Bla 18 50 27.5898721080 +28 25 13.155071160   17.1 17 17.16   ~ 87 1
155 6C 185610+734706 Bla 18 54 57.3000303816 +73 51 19.907445924     17.5 16.39   ~ 85 2
156 QSO B1954+513 Bla 19 55 42.73825546 +51 31 48.5461173     18.5 17.34   ~ 247 1
157 8C 2007+777 BLL 20 05 30.9987913056 +77 52 43.248139536     16.5 17.36   ~ 474 1
158 [VV98] J200617.7+642445 Bla 20 06 17.69453821 +64 24 45.4180077     19.00 20.13   ~ 61 1
159 4C 72.28 BLL 20 09 52.3047264984 +72 29 19.351077612   19.0   19.40   ~ 127 1
160 QSO J2016+1632 BLL 20 16 13.86003062 +16 32 34.1130371       17.29   ~ 46 1
161 QSO B2021+614 Bla 20 22 06.68174620 +61 36 58.8047323     19.00 17.58   ~ 335 1
162 QSO B2029+121 BLL 20 31 54.99426552 +12 19 41.3401260     18.5 17.42   ~ 189 1
163 ICRF J204945.8+100314 Bla 20 49 45.86497919 +10 03 14.3975018           ~ 85 1
164 QSO B2059+034 Bla 21 01 38.83415344 +03 41 31.3207714   18.13 17.78 17.68   ~ 176 1
165 QSO J2123+0535 Bla 21 23 44.51739933 +05 35 22.0930238   18.3 20.40 19.86   ~ 320 1
166 4C 06.69 Bla 21 48 05.45866779 +06 57 38.6041877   16.85 16.47 15.06   ~ 703 1
167 QSO B2149+069 Bla 21 51 31.42930740 +07 09 26.7829017   18.6 18.0 16.35   ~ 62 1
168 QSO B2201+1711 BLL 22 03 26.89368237 +17 25 48.2477620     19.50 14.76   ~ 221 1
169 QSO B2209+236 Bla 22 12 05.96631459 +23 55 40.5438259   19 20.66 19.69   ~ 257 1
170 6C 222905+693121 BLL 22 30 36.46973826 +69 46 28.0769147     19.6 20.11   ~ 105 1
171 QSO B2232+282 BLL 22 36 22.47084387 +28 28 57.4132050   19.1 19.0 17.60   ~ 306 2
172 ICRF J224107.2+412011 BLL 22 41 07.2051716400 +41 20 11.617123020       18.89   ~ 52 1
173 [VV98] J224528.3+032409 Bla 22 45 28.28475081 +03 24 08.8639113   18.5 19.0 17.55   ~ 48 1
174 QSO B2245+029 Bla 22 47 58.68205940 +03 10 42.3530905   19.5 20.1 19.71   ~ 58 1
175 ICRF J224900.5+210702 Bla 22 49 00.56671627 +21 07 02.8353838     19.5 20.40   ~ 53 1
176 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 3004 2
177 ICRF J230715.9+323031 Bla 23 07 15.91258081 +32 30 31.9364166       19.63   ~ 37 1
178 6C 230937+452727 Bla 23 11 47.40897544 +45 43 56.0164210       19.19   ~ 70 1
179 4C 10.73 Bla 23 30 40.85224854 +11 00 18.7096490     18.1 18.23   ~ 192 1
180 QSO B2331+073 Bla 23 34 12.8282052264 +07 36 27.551607552   16.0 16.04 16.45   ~ 153 1

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