2000ApJS..128...17F

Query : 2000ApJS..128...17F

2000ApJS..128...17F - Astrophys. J., Suppl. Ser., 128, 17-83 (2000/May-0)

VLBA observations of radio reference frame sources. III. Astrometric suitability of an additional 225 sources.

FEY A.L. and CHARLOT P.

Abstract (from CDS):

We present simultaneous dual-frequency Very Long Baseline Array 2 and 8 GHz observations of 225 of the 560 extragalactic sources for which positions were reported by Johnston and coworkers and which are now part of the International Celestial Reference Frame. These observations represent the third and final in a series of observations intended to obtain single-epoch images of the entire set of sources presented by Johnston and coworkers and, together with previously reported observations, bring the total number of sources observed to 389. As with previous papers in this series, we use these data to quantify the magnitude of the expected effect of intrinsic source structure on astrometric bandwidth synthesis Very Long Baseline Interferometry observations and to calculate a source ``structure index'' for the observed sources. The structure index can be used as an estimate of the astrometric quality of the sources. Based on this indicator, correlations between the observed radio structure and the astrometric position accuracy and stability of the sources have been found. These correlations indicate that the more extended sources have larger position uncertainties and are less positionally stable than the more compact sources.

Abstract Copyright: ∼

Journal keyword(s): Astrometry - Galaxies: Quasars: General - Radio Continuum: Galaxies - Surveys

VizieR on-line data: <Available at CDS (J/ApJS/128/17): table1.dat>

Simbad objects: 231

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Number of rows : 231
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 QSO B0013-005 Bla 00 16 11.08855044 -00 15 12.4454125   20.44 19.98 19.72   ~ 171 1
4 6C 001403+811827 BLL 00 17 08.47489694 +81 35 08.1365094   17.60 16.52 15.95   ~ 405 1
5 QSO B0019+058 BLL 00 22 32.44121084 +06 08 04.2689202   19.2   19.07   ~ 152 1
6 QSO B0039+230 Bla 00 42 04.54516583 +23 20 01.0619642       19.40   ~ 127 1
7 QSO B0048-09 BLL 00 50 41.3172421464 -09 29 05.210474100 16.74 16.39 16.22 16.14   ~ 480 2
8 4C 01.02 Bla 01 08 38.77110544 +01 35 00.3171844   18.54 18.39 19.05   ~ 589 1
9 QSO B0109+224 BLL 01 12 05.8247044608 +22 44 38.785880796   16.00 15.66 15.47   ~ 373 2
10 UGC 773 BLL 01 13 43.14494773 +02 22 17.3162687   16.4 16.0 11.22   ~ 145 1
11 QSO B0112-0142 Bla 01 15 17.09995153 -01 27 04.5772562   17 17.235 17.81   ~ 233 1
12 QSO B0113-1152 Bla 01 16 12.52201438 -11 36 15.4344705   18.5 18.5 17.72   ~ 204 1
13 QSO B0119+041 Bla 01 21 56.86169274 +04 22 24.7342932   19.2 19.5 19.40   ~ 200 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 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
17 QSO B0146+056 Bla 01 49 22.37088634 +05 55 53.5685702   20.7 19.0 20.30   ~ 136 1
18 [VV98] J015127.1+274442 Bla 01 51 27.14617282 +27 44 41.7936549   20.6   20.42   ~ 58 1
19 QSO B0149+218 Bla 01 52 18.05904204 +22 07 07.6997943     18 18.89   ~ 201 1
20 QSO B0153+744 BLL 01 57 34.9650498168 +74 42 43.225049844   16 16.0 16.7   ~ 217 1
21 6C 015907+721900 BLL 02 03 33.38495695 +72 32 53.6673482     19.2 15.90   ~ 102 1
22 4C 15.05 Bla 02 04 50.41389294 +15 14 11.0436097   21.9 21.00 21.00   ~ 426 1
23 QSO B0202-172 Bla 02 04 57.67433267 -17 01 19.8408671   18.18 18 17.19   ~ 263 1
24 7C 020209.69+315812.00 Bla 02 05 04.92536206 +32 12 30.0954703     17.40 17.40   ~ 246 1
25 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
26 4C 67.05 Bla 02 28 50.05148365 +67 21 03.0293322   19.5 19.50 18.1   ~ 264 1
27 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1614 2
28 QSO B0237-027 Bla 02 39 45.47227239 -02 34 40.9145702   19.5 21 19.04   ~ 145 1
29 QSO B0239+108 Bla 02 42 29.17085078 +11 01 00.7279391   20.0   19.66   ~ 140 1
30 ICRF J024457.6+622806 Sy1 02 44 57.6967097952 +62 28 06.517098084   12.15 12.19     ~ 310 2
31 6C 024820+430300 Bla 02 51 34.53674154 +43 15 15.8292024     18.0 13.72   ~ 221 1
32 QSO B0256+075 Bla 02 59 27.07662321 +07 47 39.6429924   18 18 16.9   ~ 210 1
33 QSO B0306+101 Bla 03 09 03.62349423 +10 29 16.3409179   18.45   19.91   ~ 214 1
34 QSO B0309+411 Bla 03 13 01.96212044 +41 20 01.1834497   18.0   14.59   ~ 178 1
35 QSO B0319+12 QSO 03 21 53.10350560 +12 21 13.9537765   19 19     ~ 137 1
36 QSO B0326+277 QSO 03 29 57.66941020 +27 56 15.4992655   18.2 17.5     ~ 66 1
37 6C 033321+320838 Bla 03 36 30.10760267 +32 18 29.3422162     17.50 16.6   ~ 688 1
38 QSO B0336-0156 Bla 03 39 30.93778633 -01 46 35.8041892   18.96 18.41 17.33   ~ 598 1
39 ICRF J034506.4+145349 Bla 03 45 06.41653204 +14 53 49.5582378       20.00   ~ 53 1
40 6C 035545+504923 Bla 03 59 29.74727351 +50 57 50.1618607           ~ 480 1
41 QSO B0403-132A BLL 04 05 34.00339116 -13 08 13.6909309   17.37 17.09 16.6   ~ 384 1
42 PKS 0405-123 Bla 04 07 48.4309841856 -12 11 36.659928408   15.09 14.86 14.7   ~ 531 1
43 NVSS J040820+303231 Rad 04 08 20.37757254 +30 32 30.4900285           ~ 21 1
44 QSO B0406-127 Bla 04 09 05.76972871 -12 38 48.1438174   18.5 18.5 18.35   ~ 74 1
45 QSO B0414-189 Bla 04 16 36.54444889 -18 51 08.3402457   18.89 18.0 18.51   ~ 195 1
46 NVSS J042355+415003 BLL 04 23 56.00979158 +41 50 02.7129362   19   19.2   ~ 123 1
47 QSO B0423+051 Bla 04 26 36.60410172 +05 18 19.8722293   19.5   18.8   ~ 83 1
48 QSO B0434-188 Bla 04 37 01.48273617 -18 44 48.6135530   19.11 19.0 19.62   ~ 111 1
49 QSO B0446+113 BLL 04 49 07.67110194 +11 21 28.5963618     20.00 18.58   ~ 305 1
50 QSO J0459+0229 QSO 04 59 52.05066296 +02 29 31.1765162   18.2 19     ~ 166 2
51 4C -02.19 Bla 05 01 12.80988538 -01 59 14.2564557   19.1 18.06 19.04   ~ 624 1
52 ICRF J050321.1+020304 Sy2 05 03 21.19716454 +02 03 04.6765714   22.500 21.350 20.682   ~ 196 1
53 QSO B0502+049 Bla 05 05 23.18472514 +04 59 42.7245008   18.7 19.0 17.58   ~ 188 1
54 QSO B0454+844 BLL 05 08 42.36351222 +84 32 04.5441733     16.5 18.95   ~ 250 1
55 ICRF J050927.4+101144 Bla 05 09 27.45706676 +10 11 44.6001432   19.5       ~ 101 1
56 ICRF J052109.8+163822 Sy1 05 21 09.88596258 +16 38 22.0515459   19.37 18.84 18.480   ~ 910 1
57 QSO J0530+13 Bla 05 30 56.41674741 +13 31 55.1494688     20.00 19.35   ~ 1004 1
58 QSO B0529+075 Bla 05 32 38.9985483000 +07 32 43.344156480   19.0 19.00 17.50   ~ 252 1
59 QSO B0537-158 QSO 05 39 32.0101889928 -15 50 30.319813320   16.5 18.0     ~ 77 1
60 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
61 7C 055201.39+394824.00 Bla 05 55 30.80561419 +39 48 49.1649683     18.30 17.5   ~ 527 2
62 NVSS J055932+235354 Rad 05 59 32.03313313 +23 53 53.9267334           ~ 52 1
63 QSO B0605-0834 BLL 06 07 59.69924014 -08 34 49.9783246     17.60 17.70   ~ 487 1
64 QSO B0607-157 Bla 06 09 40.94954062 -15 42 40.6727537   18.47 18.00 19.90   ~ 330 1
65 QSO J0613+1306 Bla 06 13 57.69275201 +13 06 45.4008349       19.5   ~ 61 1
66 6C 061543+820331 Bla 06 26 03.00623818 +82 02 25.5679443   17.5 17.5 18.52   ~ 165 1
67 ICRF J064524.0+212151 Sy2 06 45 24.09954730 +21 21 51.2008841   19.5       ~ 139 1
68 QSO J0650-1637 QSO 06 50 24.58185949 -16 37 39.7255562   22.09       ~ 125 1
69 QSO B0650+371 Bla 06 53 58.28283780 +37 05 40.6068779   18.2 18 18.06   ~ 63 1
70 6C 071106+354007 Bla 07 14 24.81748958 +35 34 39.7954831     17 17.7   ~ 213 1
71 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 15.50 14.27   ~ 1388 1
72 4C 14.23 BLL 07 25 16.80776465 +14 25 13.7465925       17.48   ~ 170 1
73 QSO J0730-116 Bla 07 30 19.11247452 -11 41 12.6006642     20.30 20.3   ~ 323 1
74 PKS 0733-17 Rad 07 35 45.81247503 -17 35 48.5024157           ~ 65 1
75 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 1045 1
76 QSO B0736+01 Bla 07 39 18.03389906 +01 37 04.6177501   16.90 16.47 16.19   ~ 738 1
77 6C 073759+311929 Bla 07 41 10.70330407 +31 12 00.2291151   17.02 16.89 16.322   ~ 468 1
78 [VV2006] J074625.9+254901 Bla 07 46 25.87418071 +25 49 02.1347101   19.94 19.69 19.2   ~ 186 2
79 QSO B0745+241 Bla 07 48 36.10928140 +24 00 24.1099425   19.70 18.89 17.88   ~ 239 1
80 QSO B0748+126 Bla 07 50 52.04573865 +12 31 04.8282079   17.67 17.28 17.16   ~ 363 1
81 QSO B0754+10 BLL 07 57 06.64295154 +09 56 34.8522544   15.43 15.00 15.99   ~ 461 1
82 7C 080458.39+495918.00 Bla 08 08 39.66628970 +49 50 36.5304041   19.55 19.18 18.34   ~ 389 2
83 7C 080533.60+410130.00 Bla 08 08 56.65204477 +40 52 44.8888932   19.87 19.41 16.61   ~ 149 1
84 6C 081210+364434 Bla 08 15 25.94486402 +36 35 15.1487857   18.5 18.78 18.7   ~ 145 1
85 7C 081451.89+423206.00 BLL 08 18 15.99961476 +42 22 45.4148987   18.88 18.18 17.81   ~ 429 1
86 QSO B0818-128 BLL 08 20 57.44762374 -12 58 59.1692275   15.30 15.00 16.5   ~ 187 1
87 4C 39.23A Bla 08 24 55.48385834 +39 16 41.9040476   18.55 18.21 17.20   ~ 238 1
88 7C 082754.29+242103.00 Bla 08 30 52.08619250 +24 10 59.8202919   17.62 17.26 16.30   ~ 563 1
89 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
90 6C 082850+492334 BLL 08 32 23.21674252 +49 13 21.0382979   20.17 19.63     ~ 173 1
91 4C 55.16 Bla 08 34 54.90398776 +55 34 21.0703409   20.75 19.45 17.180   ~ 297 2
92 4C 71.07 Bla 08 41 24.36528508 +70 53 42.1730435     17.30 16.8   ~ 818 1
93 ICRF J084127.0-754027 Sy1 08 41 27.0356601864 -75 40 27.874130880   18.03 18.9     ~ 61 1
94 QSO B0839+187 Bla 08 42 05.0940565824 +18 35 40.988568300   16.63 16.36 16.56   ~ 196 2
95 4C 58.17 Bla 08 54 41.99641612 +57 57 29.9391251   18.56 18.18 17.43   ~ 249 1
96 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
97 QSO J0902-1415 Bla 09 02 16.8308887080 -14 15 30.874458132   16.79 16.59 16.4   ~ 251 1
98 4C 01.24B Bla 09 09 10.09159883 +01 21 35.6176206   17.63 17.29 17.04   ~ 454 2
99 QSO B0912+029 Bla 09 14 37.91343881 +02 45 59.2464510   19.94 19.74 19.2   ~ 115 1
100 6C 091740+445437 Bla 09 20 58.45848666 +44 41 53.9850947   18.40 18.16 16.55   ~ 407 1
101 4C 39.25 Bla 09 27 03.01394144 +39 02 20.8518067   17.17 17.00 16.486   ~ 1036 1
102 QSO B0952+179 QSO 09 54 56.82361677 +17 43 31.2221518   17.31 17.23     ~ 222 1
103 Ton 469 Bla 09 58 20.9496221568 +32 24 02.208417372   15.88 15.78 15.51   ~ 442 1
104 6C 095456+654857 BLL 09 58 47.2451872176 +65 33 54.819354600     17.0 15.75   ~ 771 1
105 Ton 490 Bla 10 13 53.42877250 +24 49 16.4406795   16.59 16.57 15.85   ~ 200 1
106 4C 23.24 Bla 10 14 47.06546648 +23 01 16.5707383   17.85 17.78 16.22   ~ 229 1
107 QSO J1024-0052 QSO 10 24 29.58673120 -00 52 55.4963770   18.52 18.35     ~ 143 1
108 7C 1030+4131 Bla 10 33 03.70787172 +41 16 06.2329333   20.01 19.64 19.97   ~ 234 1
109 4C 12.37 QSO 10 42 44.6052783816 +12 03 31.263917976   18.03 17.77     ~ 448 2
110 6C 103912+811006 Bla 10 44 23.06257022 +80 54 39.4430485     16.5 18.29   ~ 234 1
111 ICRF J104455.9+065538 Sy1 10 44 55.91124811 +06 55 38.2624955   19.81 19.35     ~ 73 1
112 QSO B1045-188 Bla 10 48 06.62062314 -19 09 35.7272070   18.59 18.20 17.10   ~ 203 1
113 6C 104451+715930 Bla 10 48 27.61992778 +71 43 35.9384142     19.0 17.49   ~ 270 1
114 6C 105327+702759 Bla 10 56 53.61750640 +70 11 45.9155652   18.5 18.5 19.32   ~ 124 1
115 4C 01.28 BLL 10 58 29.60520810 +01 33 58.8237454   18.74 18.28 16.68   ~ 828 2
116 QSO B1111+149 Bla 11 13 58.69508613 +14 42 26.9526507   17.89 17.57 17.41   ~ 121 1
117 CTD 74 Bla 11 25 53.71191677 +26 10 19.9787016   18.62 18.51 18.39   ~ 158 1
118 QSO B1124-186 Bla 11 27 04.39245388 -18 57 17.4418445   19.17 18.65 19.23   ~ 254 1
119 7C 112812.59+383153.00 Bla 11 30 53.28261620 +38 15 18.5469361   19.11 18.80 19.42   ~ 233 1
120 ICRF J113130.5-050019 Bla 11 31 30.51675435 -05 00 19.6574728   20.0   19.20   ~ 79 1
121 6C 114419+401458 Bla 11 46 58.29791724 +39 58 34.3043988   18.80 18.45 18.58   ~ 261 1
122 7C 1147+2434 BLL 11 50 19.21218244 +24 17 53.8352318   16.26 15.74 15.80   ~ 294 1
123 4C -00.47 Bla 11 50 43.8706351104 -00 23 54.203006868   17.51 17.38 17.1   ~ 375 1
124 LB 2136 Bla 11 53 24.46663994 +49 31 08.8301372   17.94 17.66     ~ 529 1
125 7C 115551.8+250647 Bla 11 58 25.78756089 +24 50 17.9638522   20.27 19.40 16.58   ~ 89 1
126 QSO B1213-172 QSO 12 15 46.75176509 -17 31 45.4031219     21.40 17.50   ~ 151 1
127 Ton 605 HB* 12 16 53.6748432768 +30 04 08.692883544   16.110 15.98     B 223 0
128 RX J1217.8+3007 BLL 12 17 52.0819904040 +30 07 00.634936872   16.07 15.62 13.47   G7 516 1
129 6C 121638+484640 Bla 12 19 06.41475008 +48 29 56.1647529   21.22 20.49 19.90   ~ 146 1
130 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
131 4C 03.23 Bla 12 24 52.42194302 +03 30 50.2927775   19.02 18.77 18.9   ~ 152 1
132 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
133 QSO J1246-0730 Bla 12 46 04.23211565 -07 30 46.5746985   17.6 18.0 18.2   ~ 198 1
134 QSO B1252+119 Bla 12 54 38.25561478 +11 41 05.8950431   16.99 16.64 16.76   ~ 284 1
135 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
136 ICRF J130020.9+141718 Bla 13 00 20.91882346 +14 17 18.5316374   19.50 19.17 18.9   ~ 90 1
137 QSO J1305-1033 Bla 13 05 33.0150535680 -10 33 19.430383680   15.18 15.23 14.46   ~ 624 1
138 QSO B1324+224 Bla 13 27 00.86131319 +22 10 50.1628385     18.90 18.80   ~ 194 1
139 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
140 QSO B1338+381 QSO 13 40 22.9517624088 +37 54 43.830333540   19.01 18.79     ~ 62 0
141 6C 134240+662054 Bla 13 44 08.67961412 +66 06 11.6437757   19.4 18.6 19.84   ~ 79 1
142 QSO B1351-018 Bla 13 54 06.89532721 -02 06 03.1904962   20.62 19.91 19.277   ~ 177 1
143 4C 19.44 Bla 13 57 04.4366598768 +19 19 07.371837768   16.33 16.03 15.3   ~ 472 2
144 QSO J1357-1527 Bla 13 57 11.24498272 -15 27 28.7868604   18.13   18.40   ~ 147 1
145 QSO B1402-012 BLL 14 04 45.89545125 -01 30 21.9471571   18.70 18.45 17.9   ~ 176 1
146 QSO B1406-076 Bla 14 08 56.48120623 -07 52 26.6665312   20.3 18.4     ~ 336 1
147 ICRF J141154.8+213423 QSO 14 11 54.86221187 +21 34 23.4372666   21.34   19.60   ~ 27 1
148 6C 141804+543700 BLL 14 19 46.5974051952 +54 23 14.787857796   16.17 15.65 14.16   ~ 630 1
149 ICRF J141959.2+270625 Bla 14 19 59.29707763 +27 06 25.5527638   19.50 19.04 19.49   ~ 67 1
150 6C 142016+323628 Bla 14 22 30.3788624376 +32 23 10.440862980   19.33 19.16 19.11   ~ 196 1
151 PG 1424+240 BLL 14 27 00.3917926224 +23 48 00.037510776 14.52 14.34 14.95 14.5   ~ 420 1
152 QSO B1430-178 Bla 14 32 57.69062795 -18 01 35.2488081   17.8 19.5 18.4   ~ 95 1
153 8C 1435+638 Bla 14 36 45.8021325144 +63 36 37.866905244   17.06 16.86 16.23   ~ 219 1
154 QSO B1445+101 Bla 14 45 16.46525080 +09 58 36.0727447   18.58 17.78     ~ 408 2
155 ICRF J144553.3-162901 BLL 14 45 53.37630149 -16 29 01.6191263   20.5   20.09   ~ 70 1
156 QSO B1445-161 Bla 14 48 15.05414259 -16 20 24.5488432   20.5 18.9 19.4   ~ 72 1
157 ICRF J144828.7+760111 Bla 14 48 28.77907399 +76 01 11.5972341   20.0   21.40   ~ 52 1
158 QSO J1505+0326 Bla 15 05 06.47716039 +03 26 30.8125704   19.02 18.62 17.72   ~ 278 1
159 6C 150412+374224 Bla 15 06 09.52997529 +37 30 51.1325012   21.2 21.2 20.60   ~ 213 1
160 QSO B1504-167 Bla 15 07 04.78696269 -16 52 30.2671543   18.40 18.50 17.00   ~ 237 1
161 QSO B1511-100 Bla 15 13 44.89343054 -10 12 00.2648692   18.5 18.5 17.35   ~ 119 1
162 QSO B1514+197 BLL 15 16 56.79616460 +19 32 12.9919519 18.59 18.19 18.7 17.51   ~ 187 1
163 QSO B1532+016 Bla 15 34 52.45368345 +01 31 04.2065145   19.0 18.5 18.58   ~ 223 2
164 4C 14.60 BLL 15 40 49.49151924 +14 47 45.8846989   17.72 17.30 17.240   ~ 448 1
165 QSO B1547+507 Bla 15 49 17.46855793 +50 38 05.7880702   18.89 18.74 18.16   ~ 140 1
166 4C 05.64 Bla 15 50 35.26924234 +05 27 10.4483641   19.10 18.73 19.02   ~ 371 1
167 QSO B1555+001 Bla 15 57 51.43397121 -00 01 50.4137827   20.10 19.72 18.75   ~ 188 1
168 ICRF J155821.9-140959 Sy2 15 58 21.94812 -14 09 59.0519   19.0   12.15   ~ 77 1
169 4C 10.45 Bla 16 08 46.20318700 +10 29 07.7757424   18.5 18.70 18.03   ~ 409 1
170 QSO B1614+051 Bla 16 16 37.55681923 +04 59 32.7365717   19.60 19.17 19.49   ~ 195 2
171 QSO B1616+063 Bla 16 19 03.68767597 +06 13 02.2428156   19.54 19.39 19.3   ~ 83 1
172 6C 163718+572618 Bla 16 38 13.45629995 +57 20 23.9789828     16.90 16.94   ~ 381 1
173 6C 163852+395305 Bla 16 40 29.63277140 +39 46 46.0284071   18.4 19.37 18.75   ~ 336 2
174 3C 345 Bla 16 42 58.80997043 +39 48 36.9939552   16.81 16.59 16.84   ~ 1808 3
175 6C 165613+344803 Bla 16 58 01.4190167832 +34 43 28.402392936   18.27 18.11 17.61   ~ 113 1
176 6C 165641+474241 Bla 16 58 02.77959206 +47 37 49.2308569   17.93 17.70 17.02   ~ 123 1
177 QSO J1658+0741 Bla 16 58 09.01146680 +07 41 27.5404484   19.993 20.00 19.598   ~ 182 1
178 QSO J1658+0515 Bla 16 58 33.4471896264 +05 15 16.442476596   17.00 16.54 16.21   ~ 235 1
179 ICRF J170934.3-172853 QSO 17 09 34.34539302 -17 28 53.3650596     17.5 20.90   ~ 50 1
180 QSO B1717+178 BLL 17 19 13.04848035 +17 45 06.4371847   20.10 19.1 17.28   ~ 247 1
181 7C 172601.30+453309.00 BLL 17 27 27.65080202 +45 30 39.7312530   19.0 18.10 16.64   ~ 233 2
182 ZW I 187 BLL 17 28 18.6242294352 +50 13 10.469553996   16.55 15.97 12.95   ~ 396 1
183 QSO B1730-130 Bla 17 33 02.70578907 -13 04 49.5482119   18 19.50 18.78 17.39 ~ 1198 1
184 7C 173240.70+385949.00 BLL 17 34 20.57853650 +38 57 51.4430945   19.5 19 19.00   ~ 232 1
185 4C 62.29 QSO 17 46 14.03413499 +62 26 54.7383195   20.91 19.51     ~ 124 1
186 RX J1748.5+7005 BLL 17 48 32.8402992264 +70 05 50.768819304   17.46 17.01 15.48   ~ 456 2
187 4C 09.57 BLL 17 51 32.81857326 +09 39 00.7284066   17.46 16.78 15.57   ~ 1007 1
188 7C 175154.00+441019.00 BLL 17 53 22.64788925 +44 09 45.6862067   19.5 19.5 18.76   ~ 84 1
189 7C 180003.10+440418.00 Bla 18 01 32.31481983 +44 04 21.9002442   16.8 17.90 15.29   ~ 228 1
190 Z 340-35 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 909 1
191 4C 28.45 QSO 18 32 50.18562435 +28 33 35.9552173   16.91 17.16     ~ 137 1
192 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
193 6C 185610+734706 Bla 18 54 57.3000303816 +73 51 19.907445924     17.5 16.39   ~ 85 2
194 3C 395 Bla 19 02 55.93889653 +31 59 41.7016439     17.5     ~ 281 2
195 ICRF J192559.6+210626 BLL 19 25 59.60535459 +21 06 26.1620257           ~ 212 1
196 4C 73.18 BLL 19 27 48.4947009120 +73 58 01.572558816     16.06 15.11   ~ 562 2
197 QSO B1936-155 Bla 19 39 26.65775171 -15 25 43.0584711   19.44 20.30 18.80   ~ 180 1
198 QSO B1937-1009 BLL 19 39 57.2566747152 -10 02 41.522299692   18.800 19.0 17.188   ~ 207 1
199 NVSS J194606+230004 Rad 19 46 06.25141 +23 00 04.4142           ~ 37 1
200 NVSS J195740+333827 rG 19 57 40.54990728 +33 38 27.9432066           ~ 33 1
201 QSO B1958-179 Bla 20 00 57.09043927 -17 48 57.6726139   18.02 18.60 15.33   ~ 288 1
202 QSO B2005+40 Bla 20 07 44.9449261536 +40 29 48.603352020   18.5 19.00 20.3   ~ 319 1
203 PKS 2008-068 rG 20 11 14.21582587 -06 44 03.5555103     17.2     ~ 91 1
204 QSO B2008-159 Bla 20 11 15.71092555 -15 46 40.2537406   17.27 18.30 16.35   ~ 186 1
205 4C 54.42 QSO 20 31 47.9586852408 +54 55 03.138662316   18.7       ~ 48 1
206 3C 418.0 Bla 20 38 37.03472279 +51 19 12.6624988   21.30 21.00 18.9   ~ 333 1
207 5C 8.146 Bla 20 50 51.13146726 +31 27 27.3741323     19.7 15.9   ~ 92 1
208 6C 205156+743014 BLL 20 51 33.73455050 +74 41 40.4981957     20.4 19   ~ 42 1
209 QSO B2126-15 Bla 21 29 12.17589329 -15 38 41.0419083   17.61 17.3 17.3   ~ 521 1
210 QSO J2146-1525 Bla 21 46 22.97932711 -15 25 43.8856539   17.70 17.27 17.20   ~ 148 1
211 QSO B2144+093 Bla 21 47 10.16296704 +09 29 46.6722487   18.72 18.54 16.51   ~ 225 1
212 4C 06.69 Bla 21 48 05.45866779 +06 57 38.6041877   16.85 16.47 15.06   ~ 703 1
213 QSO B2149+056 Bla 21 51 37.87549026 +05 52 12.9545152   23.700 22.050 20.850   ~ 120 1
214 QSO B2155-152 Bla 21 58 06.28188411 -15 01 09.3284729   18.63 18.30 17.79   ~ 355 1
215 QSO B2209+236 Bla 22 12 05.96631459 +23 55 40.5438259   19 20.66 19.69   ~ 257 1
216 3C 446 BLL 22 25 47.25929101 -04 57 01.3907626   18.83 18.39 16.3   ~ 863 1
217 6C 222905+693121 BLL 22 30 36.46973826 +69 46 28.0769147     19.6 20.11   ~ 105 1
218 QSO B2233-148 BLL 22 36 34.08715104 -14 33 22.1896043 19.53 19.13 18.66 18.05   ~ 172 1
219 QSO J2246-1206 Bla 22 46 18.23197022 -12 06 51.2775983   16.63 16.45 15.99   ~ 293 1
220 QSO B2253+417 QSO 22 55 36.70783988 +42 02 52.5326109     18.8     ~ 82 1
221 QSO B2254+0727 BLL 22 57 17.30311778 +07 43 12.3025633   17.07 16.36     ~ 317 1
222 QSO J2320+0513 QSO 23 20 44.85659166 +05 13 49.9526016   18.6 19.0     ~ 166 1
223 QSO B2320-035 Bla 23 23 31.95375055 -03 17 05.0238540   18.6   18.16   ~ 229 2
224 QSO B2325-150 Bla 23 27 47.96426891 -14 47 55.7511114   19 19.0 18.8   ~ 65 1
225 4C 10.73 Bla 23 30 40.85224854 +11 00 18.7096490     18.1 18.23   ~ 192 1
226 QSO B2329-16 BLL 23 31 38.65243833 -15 56 57.0098054   20.72   20.65   ~ 141 1
227 4C 09.74 Bla 23 46 36.8384562240 +09 30 45.514903032   16.23 15.97 15.99   ~ 332 2
228 QSO B2345-167 Bla 23 48 02.60851466 -16 31 12.0222546   18.00 18.41 16.86   ~ 432 1
229 6C 235150+453621 Bla 23 54 21.68022501 +45 53 04.2365520   20.6 20.60 19.1   ~ 252 1
230 QSO J2354-1513 Bla 23 54 30.19517134 -15 13 11.2129982   18.49 17 18.88   ~ 128 1
231 QSO J2358-1020 Bla 23 58 10.88239662 -10 20 08.6114174   19.16 18.91 18.00   ~ 170 1

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