2020ApJS..247...57C

Query : 2020ApJS..247...57C

2020ApJS..247...57C - Astrophys. J., Suppl. Ser., 247, 57-57 (2020/April-0)

Compact bright radio-loud AGNs. III. A large VLBA survey at 43 GHz.

CHENG X.-P., AN T., FREY S., HONG X.-Y., HE X., KELLERMANN K.I., LISTER M.L., LAO B.-Q., LI X.-F., MOHAN P., YANG J., WU X.-C., ZHANG Z.-L., ZHANG Y.-K. and ZHAO W.

Abstract (from CDS):

We present the results from the 43 GHz Very Long Baseline Array (VLBA) observations of 124 compact radio-loud active galactic nuclei (AGNs) that were conducted between 2014 November and 2016 May. The typical dimensions of the restoring beam in each image are about 0.5 mas x 0.2 mas. The highest resolution of 0.2 mas corresponds to a physical size of 0.02 pc for the lowest redshift source in the sample. The 43 GHz very long baseline interferometry (VLBI) images of 97 AGNs are presented for the first time. We study the source compactness on milliarcsecond and submilliarcsecond scales, and suggest that 95 sources in our sample are suitable for future space VLBI observations. By analyzing our data supplemented with other VLBA AGN surveys from the literature, we find that the core brightness temperature increases with increasing frequency below a break frequency ∼7 GHz, and decreases between ∼7 and 240 GHz but increases again above 240 GHz in the rest frame of the sources. This indicates that the synchrotron opacity changes from optically thick to thin. We also find a strong statistical correlation between radio and γ-ray flux densities. Our correlation is tighter than those in the literature derived from lower-frequency VLBI data, suggesting that the γ-ray emission is produced more cospatially with the 43 GHz VLBA core emission. This correlation can also be extrapolated to the unbeamed AGN population, implying that a universal γ-ray production mechanism might be at work for all types of AGNs.

Abstract Copyright: © 2020. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Very long baseline interferometry - Active galaxies - Surveys - Radio loud quasars - Jets

VizieR on-line data: <Available at CDS (J/ApJS/247/57): table1.dat table3.dat table4.dat notes.dat>

Simbad objects: 133

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Number of rows : 133
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 B0048-071 BLL 00 51 08.20982093 -06 50 02.2292452   19.0 19.5 19.07   ~ 146 1
2 OHIO C -010 Rad 01 08.5 -00 36           ~ 9 0
3 4C 01.02 Bla 01 08 38.77110544 +01 35 00.3171844   18.54 18.39 19.05   ~ 589 1
4 QSO B0113-1152 Bla 01 16 12.52201438 -11 36 15.4344705   18.5 18.5 17.72   ~ 204 1
5 QSO B0119+041 Bla 01 21 56.86169274 +04 22 24.7342932   19.2 19.5 19.40   ~ 200 1
6 QSO J0125-0006 Bla 01 25 28.8438355224 -00 05 55.930595964   16.92 16.64 16.30   ~ 305 1
7 QSO B0130-17 Bla 01 32 43.48746292 -16 54 48.5220804   18.75 18.44 15.44   ~ 247 1
8 QSO B0149+218 Bla 01 52 18.05904204 +22 07 07.6997943     18 18.89   ~ 201 1
9 QSO B0202-172 Bla 02 04 57.67433267 -17 01 19.8408671   18.18 18 17.19   ~ 263 1
10 ICRF J021113.1+105134 BLL 02 11 13.1774921592 +10 51 34.798753116 13.96 13.63 13.40 15.42   ~ 161 1
11 4C 06.11 Bla 02 24 28.42818961 +06 59 23.3415566   20.8 20.0 17.78   ~ 172 1
12 4C 67.05 Bla 02 28 50.05148365 +67 21 03.0293322   19.5 19.50 18.1   ~ 264 1
13 4C 13.14 Bla 02 31 45.89405619 +13 22 54.7162847   17.96 17.71 17.93   ~ 291 1
14 QSO B0239+108 Bla 02 42 29.17085078 +11 01 00.7279391   20.0   19.66   ~ 140 1
15 ICRF J024457.6+622806 Sy1 02 44 57.6967097952 +62 28 06.517098084   12.15 12.19     ~ 310 2
16 QSO B0306+101 Bla 03 09 03.62349423 +10 29 16.3409179   18.45   19.91   ~ 214 1
17 QSO B0309+411 Bla 03 13 01.96212044 +41 20 01.1834497   18.0   14.59   ~ 178 1
18 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
19 QSO J0325+2224 Bla 03 25 36.81435345 +22 24 00.3656161     18.90 19.14   ~ 135 1
20 ICRF J035830.1+560644 QSO 03 58 30.18816226 +56 06 44.4605652           ~ 26 1
21 6C 035545+504923 Bla 03 59 29.74727351 +50 57 50.1618607           ~ 480 1
22 QSO B0400+258 Bla 04 03 05.58608082 +26 00 01.5027775     18 19.00   ~ 220 1
23 QSO B0403-132A BLL 04 05 34.00339116 -13 08 13.6909309   17.37 17.09 16.6   ~ 384 1
24 PKS 0405-123 Bla 04 07 48.4309841856 -12 11 36.659928408   15.09 14.86 14.7   ~ 531 1
25 NVSS J042355+415003 BLL 04 23 56.00979158 +41 50 02.7129362   19   19.2   ~ 123 1
26 QSO B0451-281 Bla 04 53 14.64679973 -28 07 37.3269982   18.23 18.2 17.83   ~ 223 1
27 PMN J0509+0541 BLL 05 09 25.9644373872 +05 41 35.333820420 15.32 14.95 14.78 15.12   ~ 589 2
28 QSO B0507+179 Bla 05 10 02.36912937 +18 00 41.5815635   20.0 19.0 19.09   ~ 470 1
29 QSO B0529+075 Bla 05 32 38.9985483000 +07 32 43.344156480   19.0 19.00 17.50   ~ 252 1
30 QSO B0605-0834 BLL 06 07 59.69924014 -08 34 49.9783246     17.60 17.70   ~ 487 1
31 ICRF J062923.7-195919 BLL 06 29 23.76186296 -19 59 19.7236825   20.43 18.6 20.68   ~ 141 1
32 8C 0633+734 Bla 06 39 21.9609776712 +73 24 58.043668788   16.0 17.3 18.22   ~ 124 1
33 QSO J0650-1637 QSO 06 50 24.58185949 -16 37 39.7255562   22.09       ~ 125 1
34 ICRF J070001.5+170921 QSO 07 00 01.52554306 +17 09 21.7013068   21.0       ~ 89 1
35 ICRF J071243.6+503322 BLL 07 12 43.6836455760 +50 33 22.708727208       18.68   ~ 108 2
36 QSO B0723-007 BLL 07 25 50.63991258 -00 54 56.5430511   17.39 16.57 15.82   ~ 284 1
37 6C 073002+502841 Bla 07 33 52.52058088 +50 22 09.0622668     19.30 18.37   ~ 129 1
38 QSO B0736+01 Bla 07 39 18.03389906 +01 37 04.6177501   16.90 16.47 16.19   ~ 738 1
39 6C 073759+311929 Bla 07 41 10.70330407 +31 12 00.2291151   17.02 16.89 16.322   ~ 468 1
40 QSO B0742+103 Bla 07 45 33.05952486 +10 11 12.6922178     24.00 23.72   ~ 200 1
41 4C -00.28 Bla 07 45 54.08232685 -00 44 17.5399048   18 17.1 16.69   ~ 200 1
42 QSO B0754+10 BLL 07 57 06.64295154 +09 56 34.8522544   15.43 15.00 15.99   ~ 461 1
43 QSO B0805-077 Bla 08 08 15.53603763 -07 51 09.8865298     19.80 16.71   ~ 291 1
44 7C 080533.60+410130.00 Bla 08 08 56.65204477 +40 52 44.8888932   19.87 19.41 16.61   ~ 149 1
45 QSO B0808+019 BLL 08 11 26.70731711 +01 46 52.2201568   17.58 17.2 17.96   ~ 281 1
46 4C 39.23A Bla 08 24 55.48385834 +39 16 41.9040476   18.55 18.21 17.20   ~ 238 1
47 3C 207.0 Bla 08 40 47.58842599 +13 12 23.5637506   18.58 18.15 17.622   ~ 455 1
48 TXS 0847-120 Rad 08 50 09.778 -12 15 55.56           ~ 2 0
49 QSO J0902-1415 Bla 09 02 16.8308887080 -14 15 30.874458132   16.79 16.59 16.4   ~ 251 1
50 4C 01.24B Bla 09 09 10.09159883 +01 21 35.6176206   17.63 17.29 17.04   ~ 454 2
51 6C 091739+622838 Bla 09 21 36.23107643 +62 15 52.1803510   19.76 19.26 18.96   ~ 394 1
52 4C 39.25 Bla 09 27 03.01394144 +39 02 20.8518067   17.17 17.00 16.486   ~ 1036 1
53 QSO B0925-2021 Bla 09 27 51.82432394 -20 34 51.2325545   16.59 16.40 16.00   ~ 181 2
54 4C 40.24 Bla 09 48 55.33815103 +40 39 44.5869471   18.31 18.02 17.85   ~ 379 1
55 QSO B1032-199 Bla 10 35 02.15531760 -20 11 34.3596240   18.10 19.0 18.53   ~ 117 1
56 QSO B1036+054 Bla 10 38 46.77987408 +05 12 29.0867216   20.21 19.45 19.53   ~ 111 1
57 4C 06.41 BLL 10 41 17.16249940 +06 10 16.9237327   16.86 16.70 16.14   ~ 302 1
58 QSO B1045-188 Bla 10 48 06.62062314 -19 09 35.7272070   18.59 18.20 17.10   ~ 203 1
59 7C 104907.3+213551 Bla 10 51 48.78908056 +21 19 52.3137849     18.5 17.72   ~ 157 1
60 QSO B1124-186 Bla 11 27 04.39245388 -18 57 17.4418445   19.17 18.65 19.23   ~ 254 1
61 QSO B1149-084 Bla 11 52 17.20951637 -08 41 03.3139769     18.50 18   ~ 123 1
62 LB 2136 Bla 11 53 24.46663994 +49 31 08.8301372   17.94 17.66     ~ 529 1
63 QSO B1213-172 QSO 12 15 46.75176509 -17 31 45.4031219     21.40 17.50   ~ 151 1
64 4C 04.42 Bla 12 22 22.54962606 +04 13 15.7760715   17.88 17.98 17.06   ~ 354 1
65 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
66 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
67 QSO J1246-0730 Bla 12 46 04.23211565 -07 30 46.5746985   17.6 18.0 18.2   ~ 198 1
68 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
69 6C 125719+515648 QSO 12 59 31.17398783 +51 40 56.2612075           ~ 48 1
70 5C 12.291 Bla 13 08 23.70913457 +35 46 37.1640036   20.95 20.22 19.43   ~ 110 1
71 QSO B1324+224 Bla 13 27 00.86131319 +22 10 50.1628385     18.90 18.80   ~ 194 1
72 QSO J1332-0509 Bla 13 32 04.46468002 -05 09 43.3058094     18.5 18.37   ~ 169 1
73 4C 19.44 Bla 13 57 04.4366598768 +19 19 07.371837768   16.33 16.03 15.3   ~ 472 2
74 6C 141743+383524 Bla 14 19 46.61376262 +38 21 48.4750288   19.88 19.66 19.25   ~ 195 1
75 8C 1435+638 Bla 14 36 45.8021325144 +63 36 37.866905244   17.06 16.86 16.23   ~ 219 1
76 QSO B1502+1041 Bla 15 04 24.97978391 +10 29 39.1985309   18.97 18.56 18.94   ~ 634 1
77 QSO B1504-167 Bla 15 07 04.78696269 -16 52 30.2671543   18.40 18.50 17.00   ~ 237 1
78 Z 21-63 BLL 15 16 40.21905672 +00 15 01.9090936   17.28 16.64 10.53   ~ 217 1
79 QSO B1514+197 BLL 15 16 56.79616460 +19 32 12.9919519 18.59 18.19 18.7 17.51   ~ 187 1
80 QSO B1532+016 Bla 15 34 52.45368345 +01 31 04.2065145   19.0 18.5 18.58   ~ 223 2
81 QSO B1546+0246 Bla 15 49 29.43684740 +02 37 01.1632556   17.57 17.42 15.53   ~ 395 1
82 4C 05.64 Bla 15 50 35.26924234 +05 27 10.4483641   19.10 18.73 19.02   ~ 371 1
83 4C 10.45 Bla 16 08 46.20318700 +10 29 07.7757424   18.5 18.70 18.03   ~ 409 1
84 NGC 6251 Bla 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 772 1
85 4C 47.44 Bla 16 37 45.13055568 +47 17 33.8311081   17.5   18.69   ~ 183 1
86 [VV2006] J164202.2-062124 BLL 16 42 02.17771463 -06 21 23.6950367     20.9 19.20   ~ 81 1
87 4C 69.21 Bla 16 42 07.84851261 +68 56 39.7563611   19.723   19.219   ~ 326 1
88 3C 345 Bla 16 42 58.80997043 +39 48 36.9939552   16.81 16.59 16.84   ~ 1808 3
89 6C 165641+474241 Bla 16 58 02.77959206 +47 37 49.2308569   17.93 17.70 17.02   ~ 123 1
90 QSO J1658+0741 Bla 16 58 09.01146680 +07 41 27.5404484   19.993 20.00 19.598   ~ 182 1
91 QSO J1700-2610 QSO 17 00 53.15406418 -26 10 51.7253944   16.50       ~ 119 2
92 ICRF J170124.6+395437 BLL 17 01 24.63481525 +39 54 37.0915503   17.50 17.07 16.26   ~ 61 1
93 7C 1716+6839 Bla 17 16 13.93798667 +68 36 38.7451988   18.99 18.16 17.67   ~ 137 1
94 7C 172601.30+453309.00 BLL 17 27 27.65080202 +45 30 39.7312530   19.0 18.10 16.64   ~ 233 2
95 QSO B1725+044 Bla 17 28 24.95272284 +04 27 04.9138307   17.43 16.99 16.24   ~ 245 1
96 7C 180003.10+440418.00 Bla 18 01 32.31481983 +44 04 21.9002442   16.8 17.90 15.29   ~ 228 1
97 Z 340-35 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 909 1
98 LB 1086 Bla 18 08 21.88588528 +45 42 20.8664210   19.0 19.3 19.20   ~ 61 1
99 8C 1842+681 BLL 18 42 33.64168679 +68 09 25.2277637     17.9 18.01   ~ 149 1
100 6C 184914+670207 Bla 18 49 16.07228484 +67 05 41.6802599     16.90 17.45   ~ 305 2
101 [VV2006] J192332.2-210433 Bla 19 23 32.18981392 -21 04 33.3331234   15.32 17.50 16.70   ~ 180 3
102 6C 192647+611105 BLL 19 27 30.4428785736 +61 17 32.878880988   17.5 17.5 16.99   ~ 139 1
103 ICRF J200042.1-132533 Bla 20 00 42.14510723 -13 25 33.5329712       16.72   ~ 38 1
104 QSO B1958-179 Bla 20 00 57.09043927 -17 48 57.6726139   18.02 18.60 15.33   ~ 288 1
105 8C 2007+777 BLL 20 05 30.9987913056 +77 52 43.248139536     16.5 17.36   ~ 474 1
106 QSO B2021+614 Bla 20 22 06.68174620 +61 36 58.8047323     19.00 17.58   ~ 335 1
107 4C 31.56 QSO 20 23 19.01734326 +31 53 02.3060318           ~ 125 1
108 QSO B2023+336 BLL 20 25 10.84210426 +33 43 00.2143556           ~ 188 1
109 QSO B2022-077 BLL 20 25 40.6602562440 -07 35 52.688047128   18.5       ~ 234 3
110 QSO B2029+121 BLL 20 31 54.99426552 +12 19 41.3401260     18.5 17.42   ~ 189 1
111 QSO B2126-15 Bla 21 29 12.17589329 -15 38 41.0419083   17.61 17.3 17.3   ~ 521 1
112 QSO B2134+0028 Bla 21 36 38.58632232 +00 41 54.2128562   17.30 17.08 17.02   ~ 580 2
113 NVSS J213701+510136 Rad 21 37 00.98616920 +51 01 36.1292444           ~ 35 1
114 QSO B2141+1730 Bla 21 43 35.54456275 +17 43 48.7875890   15.91 15.73 15.17   ~ 418 1
115 QSO B2142+110 BLL 21 45 18.77506615 +11 15 27.3123630   18.35 18.20 16.29   ~ 98 2
116 QSO B2144+093 Bla 21 47 10.16296704 +09 29 46.6722487   18.72 18.54 16.51   ~ 225 1
117 QSO B2155-152 Bla 21 58 06.28188411 -15 01 09.3284729   18.63 18.30 17.79   ~ 355 1
118 QSO B2201+1711 BLL 22 03 26.89368237 +17 25 48.2477620     19.50 14.76   ~ 221 1
119 QSO B2209+236 Bla 22 12 05.96631459 +23 55 40.5438259   19 20.66 19.69   ~ 257 1
120 4C -03.79 Bla 22 18 52.03772044 -03 35 36.8795441   16.93 16.38 16.15   ~ 353 1
121 QSO J2225+2118 Bla 22 25 38.0470440264 +21 18 06.414418332     18.19 17.65   ~ 180 1
122 QSO B2227-0848 Bla 22 29 40.08433313 -08 32 54.4355294   17.80 17.41 17.81   ~ 391 1
123 QSO B2232+282 BLL 22 36 22.47084387 +28 28 57.4132050   19.1 19.0 17.60   ~ 306 2
124 QSO J2246-1206 Bla 22 46 18.23197022 -12 06 51.2775983   16.63 16.45 15.99   ~ 293 1
125 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 3004 2
126 6C 230840+340844 Bla 23 11 05.32880063 +34 25 10.9049514     19.5 19.2   ~ 138 1
127 QSO J2320+0513 QSO 23 20 44.85659166 +05 13 49.9526016   18.6 19.0     ~ 166 1
128 QSO B2320-035 Bla 23 23 31.95375055 -03 17 05.0238540   18.6   18.16   ~ 229 2
129 QSO B2325+093 Bla 23 27 33.58055652 +09 40 09.4627185   18.5 19.5 18.26   ~ 211 1
130 QSO J2345-1555 BLL 23 45 12.4622049264 -15 55 07.836801888   19.21   18.48   ~ 202 1
131 4C 09.74 Bla 23 46 36.8384562240 +09 30 45.514903032   16.23 15.97 15.99   ~ 332 2
132 QSO B2345-167 Bla 23 48 02.60851466 -16 31 12.0222546   18.00 18.41 16.86   ~ 432 1
133 QSO J2354-1513 Bla 23 54 30.19517134 -15 13 11.2129982   18.49 17 18.88   ~ 128 1

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