2002ApJ...579..530W

Query : 2002ApJ...579..530W

2002ApJ...579..530W - Astrophys. J., 579, 530-544 (2002/November-2)

Active galactic nucleus black hole masses and bolometric luminosities.

WOO J.-H. and URRY C.M.

Abstract (from CDS):

Black hole mass, along with mass accretion rate, is a fundamental property of active galactic nuclei (AGNs). Black hole mass sets an approximate upper limit to AGN energetics via the Eddington limit. We collect and compare all AGN black hole mass estimates from the literature; these 177 masses are mostly based on the virial assumption for the broad emission lines, with the broad-line region size determined from either reverberation mapping or optical luminosity. We introduce 200 additional black hole mass estimates based on properties of the host galaxy bulges, using either the observed stellar velocity dispersion or the fundamental plane relation to infer σ; these methods assume that AGN hosts are normal galaxies. We compare 36 cases for which black hole mass has been generated by different methods and find, for individual objects, a scatter as high as a couple of orders of magnitude. The less direct the method, the larger the discrepancy with other estimates, probably due to the large scatter in the underlying correlations assumed. Using published fluxes, we calculate bolometric luminosities for 234 AGNs and investigate the relation between black hole mass and luminosity. In contrast to other studies, we find no significant correlation of black hole mass with luminosity, other than those induced by circular reasoning in the estimation of black hole mass. The Eddington limit defines an approximate upper envelope to the distribution of luminosities, but the lower envelope depends entirely on the sample of AGNs included. For any given black hole mass, there is a range in Eddington ratio of up to 3 orders of magnitude.

Abstract Copyright: ∼

Journal keyword(s): Black Hole Physics - Galaxies: Active - Galaxies: Nuclei - Galaxies: Quasars: General

Simbad objects: 183

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Number of rows : 183
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 Mrk 335 Sy1 00 06 19.5372339024 +20 12 10.617404076   14.19 13.85     ~ 1344 0
2 LEDA 1790 Sy1 00 29 13.7012449608 +13 16 03.947778264   15.70 15.41     ~ 474 0
3 MCG-02-02-086 rG 00 41 50.45002 -09 18 11.4633   14 13.52 12.94   ~ 154 1
4 NGC 262 Bla 00 48 47.14147900 +31 57 25.0845702 14.04 13.90 13.06 8.53   ~ 778 2
5 LEDA 3237 Sy1 00 54 52.1183662680 +25 25 38.983241532     15.42     ~ 421 0
6 Z 384-32 rG 00 56 02.6897785104 -01 20 03.767007480   15.5817766 14.5116005     ~ 104 0
7 Z 384-38 rG 00 56 25.5953259432 -01 15 44.878056984   14.7145777 13.6895351     ~ 89 1
8 [OKM2018] SWIFT J0056.9+1472 Sy1 00 57 09.9306975096 +14 46 10.142054004   16.56 16.29     ~ 167 0
9 Z 384-48 rG 00 57 34.90446247 -01 23 27.5469897   14.07 15.10     ~ 269 1
10 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
11 NGC 383 AGN 01 07 24.9647814840 +32 24 45.132586200   13.6 12.14     ~ 821 3
12 2C 94 Sy2 01 08 52.8701830824 +13 20 14.262799812   15.19       ~ 494 2
13 Z 436-12 LIN 01 12 59.579 +15 29 28.71     15.7     ~ 91 1
14 NVSS J011515+001247 rG 01 15 15.7840956960 +00 12 48.538049652   15.68 15.0     ~ 80 1
15 NGC 449 Sy2 01 16 07.2105079530 +33 05 21.649015602   15.90 14.96     ~ 302 4
16 NGC 507 rG 01 23 39.950 +33 15 22.22   13.0       ~ 459 1
17 ESO 113-45 Sy1 01 23 45.7631533440 -58 48 20.808928944   14.08 13.83 13.34   ~ 965 0
18 NGC 513 Sy2 01 24 26.8053520680 +33 47 58.224514236   13.4 13.40     ~ 201 1
19 IC 1695 rG 01 25 07.645 +08 41 57.68   14.87       ~ 68 1
20 NGC 547 rG 01 26 00.6208982520 -01 20 42.432452268   13.16 13.34     ~ 363 4
21 NGC 591 Sy1 01 33 31.2305692968 +35 40 05.628351108   14.71 13.90     ~ 205 0
22 NGC 612 Sy2 01 33 57.751 -36 29 35.80   13.90 13.15 12.33   ~ 252 0
23 Z 386-35 Sy1 01 43 57.7777898304 +02 20 59.531401716   14.90 14.07     ~ 569 1
24 Z 522-22 rG 01 50 51.209 +36 16 32.78   14.5       ~ 74 1
25 NGC 708 rG 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 259 3
26 NGC 741 rG 01 56 23.2 +05 37 35   13.2       ~ 309 2
27 NGC 788 Sy2 02 01 06.4628889816 -06 48 57.149808084   13.71 12.76 11.79   ~ 291 0
28 Z 387-34 Sy1 02 06 15.9896281128 -00 17 29.221733688   15.90 15.50 10.3   ~ 405 0
29 NGC 863 Sy2 02 14 33.5604714720 -00 46 00.181845336   14.48 13.81 17.9   ~ 770 0
30 3C 62 Sy2 02 15 37.4257228872 -12 59 30.243550020     18.0     ~ 112 1
31 Z 523-8 Sy2 02 17 23.0369478336 +38 24 49.568961924   14.74 13.84     ~ 70 0
32 Z 523-37 Bla 02 25 27.3274623754 +37 10 27.746857321   15.0   9.5   ~ 65 1
33 NGC 931 Sy1 02 28 14.4689104272 +31 18 41.469363324   15.71 14.74     ~ 426 1
34 NGC 1052 Bla 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1397 2
35 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
36 LEDA 131162 Sy1 02 59 26.6891053344 -39 40 37.673975136   16.29       ~ 37 1
37 Z 524-40 Sy2 02 59 58.5970307633 +36 49 13.808979663   14.89 13.96     ~ 369 1
38 3C 76.1 rG 03 03 15.0210658512 +16 26 18.881230884   16.00 14.86     ~ 182 2
39 LEDA 95525 GiC 03 08 16.2685970976 -23 33 49.272769296   16.44       ~ 26 1
40 NGC 1218 Sy1 03 08 26.22380005 +04 06 39.3007808   12.84       ~ 413 0
41 ESO 357-9 rG 03 14 32.9419961808 -34 07 40.157702976   15.51   13.44   ~ 31 1
42 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
43 NGC 1320 Sy2 03 24 48.6886857672 -03 02 32.121533436   14.0 14.00     ~ 317 0
44 Z 390-93 QSO 03 27 54.19499480 +02 33 41.9824262   13.95       ~ 230 1
45 NGC 1358 Sy2 03 33 39.6807616872 -05 05 22.213915692   14.10 13.05 11.76   ~ 220 1
46 4C -01.12 LIN 03 34 15.5780017080 -01 10 56.306052300     16     ~ 137 1
47 NGC 1386 Sy1 03 36 46.238 -35 59 57.39 12.42 12.16 11.23 10.76   ~ 553 1
48 2C 349 Sy2 03 58 54.4370049840 +10 26 02.791855968   16.68 15.41     ~ 356 2
49 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
50 MCG+01-12-009 Bla 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2099 2
51 MCG-02-12-039 rG 04 33 37.8465077496 -13 15 42.989961204   13.95 14.22     ~ 104 2
52 PKS 0431-134 rG 04 34 10.4303749800 -13 22 11.990119764   14 16.01 14.36   ~ 61 0
53 NGC 1667 Sy2 04 48 37.1804579280 -06 19 11.824427712   13.66 12.86 11.72   ~ 384 2
54 MCG-03-13-017 Sy2 04 51 20.605 -17 30 12.18   14.58   13.08   ~ 58 1
55 Z 420-25 Sy1 04 59 09.3989559120 +04 58 30.298958220   15.29 14.41     ~ 93 0
56 Z 395-23 Sy1 05 16 11.4092471904 -00 08 59.157166920   14.30 13.92     ~ 953 1
57 ESO 362-21 BLL 05 22 57.98464178 -36 27 30.8512953   15.26 14.62 14.48   ~ 873 2
58 MCG-05-14-017 rG 05 48 27.59719 -32 58 38.0601   14.20   12.71   ~ 37 0
59 PKS J0550-3216 BLL 05 50 40.5705144672 -32 16 16.484718648   16.07 15.5     ~ 424 1
60 ESO 424-27 rG 05 50 49.8216734616 -31 44 26.456438832   14.99   13.49   ~ 33 1
61 NGC 2110 Sy2 05 52 11.3768668776 -07 27 22.507465392   14.77 13.51 11.86   ~ 712 1
62 Z 329-24 Sy2 06 15 36.2812259376 +71 02 14.837219808 14.21 14.03 12.97     ~ 960 2
63 LEDA 19313 Sy2 06 36 32.2509554376 -20 34 53.181243300   18.27 17.58     ~ 139 2
64 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
65 RX J0710.5+5908 BLL 07 10 30.0683697888 +59 08 20.371772544   17.38 16.52 15.1   ~ 249 1
66 PKS 0718-34 rG 07 20 47.5828909632 -34 07 06.148975116   15.8       ~ 40 1
67 QSO B0736+01 Bla 07 39 18.03389906 +01 37 04.6177501   16.90 16.47 16.19   ~ 738 1
68 Z 235-30 Sy1 07 42 32.8210670808 +49 48 34.783809768   14.74 14.27     ~ 769 1
69 Mrk 78 Sy2 07 42 41.7033384240 +65 10 37.447730076   15.57 14.58     ~ 386 3
70 Z 147-61 Sy2 07 44 09.1275236304 +29 14 50.762711400   13.28       ~ 145 1
71 Z 286-62 Sy1 07 47 29.0792948928 +60 56 00.658649544   15.18 14.71     ~ 253 0
72 2XMM J080535.0+240951 Sy2 08 05 35.0054956728 +24 09 50.330022516   15.46       ~ 336 1
73 Z 207-33 Sy2 08 07 40.9957797624 +39 00 15.247008108   14.90 14.08     ~ 190 0
74 2MASS J08105865+7602424 Sy1 08 10 58.6641543864 +76 02 42.450451260   15.03 14.71     ~ 508 0
75 3C 196.1 Sy2 08 15 27.825 -03 08 27.67   18.490 16.940 16.797   ~ 124 1
76 Ton 951 Sy1 08 47 42.4485615096 +34 45 04.482515304   14.83 14.50     ~ 487 0
77 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
78 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
79 Mrk 110 Sy1 09 25 12.8479065576 +52 17 10.386311208   16.82 16.41     ~ 681 1
80 3C 223.0 Sy2 09 39 52.7594046216 +35 53 58.922078496   19.51 18.60     ~ 279 0
81 4C 36.16 Rad 09 39 55.08 +35 52 13.4           ~ 271 1
82 PKS 0940-304 rG 09 42 23.963 -30 44 11.73           ~ 12 1
83 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 951 3
84 PG 0953+414 Sy1 09 56 52.3931554992 +41 15 22.211247636 14.710 15.611 15.546 15.294 14.720 ~ 472 0
85 4C 13.41 Sy1 10 07 26.0965408440 +12 48 56.184940764   15.81 15.68     ~ 418 2
86 NGC 3185 Sy2 10 17 38.5650471192 +21 41 17.573817228   12.99 12.17 12.37   ~ 308 1
87 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
88 NGC 3362 Sy2 10 44 51.7308466464 +06 35 48.665072040   17.58 16.96     ~ 162 1
89 PKS 1043-290 rG 10 46 09.906 -29 21 09.50   16.3       ~ 33 1
90 Z 241-59 Sy2 11 01 33.9652636464 +45 39 13.917158280   14.1       ~ 133 0
91 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
92 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
93 NGC 3557 Sy1 11 09 57.653 -37 32 21.02   11.50 10.40 9.79   ~ 283 2
94 MCG-06-25-019 rG 11 25 52.9556230056 -35 23 40.716362652   14.35 13.85 12.60   ~ 52 0
95 Z 334-43 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 394 1
96 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
97 NGC 3786 Sy2 11 39 42.5121341928 +31 54 33.971791752   14.62 13.74     ~ 413 1
98 APG 294 GrG 11 39.7 +31 55           ~ 260 0
99 UGC 6865 IG 11 53 39.9833123304 +43 27 39.233661984   14.7       ~ 54 1
100 NGC 3982 Sy2 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 588 1
101 NGC 3998 Sy2 11 57 56.1334044408 +55 27 12.922443432   11.64 12.10 10.09   ~ 682 2
102 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
103 NGC 4074 Sy2 12 04 29.6666072616 +20 18 58.654406844   15.43 14.44     ~ 174 0
104 NGC 4117 Sy2 12 07 46.1195809200 +43 07 34.818483864   14.04       ~ 178 1
105 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
106 PB 3894 Sy1 12 14 17.6738687784 +14 03 13.182723144   14.46 14.19     ~ 873 0
107 NGC 4253 Sy1 12 18 26.5163572920 +29 48 46.531535472   14.34 13.57     ~ 1106 1
108 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
109 NGC 4339 GiP 12 23 34.9398092592 +06 04 54.467043780   13.1       ~ 255 0
110 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
111 Z 99-79 Sy1 12 32 03.6223710000 +20 09 29.495834136   15.57 15.30     ~ 526 0
112 NGC 4593 Sy1 12 39 39.4435107024 -05 20 39.034988448   13.95 13.15     ~ 1179 0
113 NGC 4839 BiC 12 57 24.3563164776 +27 29 52.203087132 13.56 13.02 12.06     ~ 482 3
114 NGC 4869 EmG 12 59 23.3588349024 +27 54 41.731884360 15.03 14.9 13.52 13.292 12.536 ~ 286 0
115 NGC 4874 LIN 12 59 35.7093764280 +27 57 33.293892204 13.01 13.7 12.71 12.27 11.386 ~ 814 3
116 LEDA 45656 Sy1 13 09 47.0031619008 +08 19 48.212362524   16.04 15.89     ~ 412 0
117 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
118 IC 4296 rG 13 36 39.03253319 -33 57 57.0730368   11.52 12.99 10.00 10.79 ~ 520 2
119 NGC 5252 Sy2 13 38 15.8707724328 +04 32 33.521265600   15.21 14.21     ~ 514 1
120 NGC 5283 Sy2 13 41 05.7499712616 +67 40 19.967186280   14.97 14.05     ~ 269 0
121 NGC 5273 Sy1 13 42 08.3801616672 +35 39 15.467518836   14.01 13.12     ~ 510 0
122 IC 4329A Sy1 13 49 19.2601801224 -30 18 34.213815504   13.81 13.66 12.18 12.35 ~ 876 1
123 Z 162-21 BLL 13 52 17.8719816576 +31 26 46.487381604   16.10 15.10     ~ 502 3
124 2XMM J135315.8+634546 Sy1 13 53 15.8311116864 +63 45 45.683126676   14.54 14.28     ~ 404 1
125 NGC 5347 Sy2 13 53 17.7984934128 +33 29 27.011618196   13.46 12.70     ~ 373 1
126 APG 271 IG 14 03 25.45 -06 02 59.9           ~ 209 0
127 NGC 5427 Sy1 14 03 26.0408044536 -06 01 50.682790236   14.67 13.96 11.54   ~ 307 0
128 NGC 5419 rG 14 03 38.7225244848 -33 58 41.881842120   11.77 11.33 10.21 14.44 ~ 208 3
129 IC 4374 Bla 14 07 29.76229070 -27 01 04.2916695   13.61   11.79 12.55 ~ 142 3
130 LEDA 50824 Sy1 14 13 48.3306274368 +44 00 14.003371296   14.99 14.99     ~ 402 0
131 NGC 5548 Sy1 14 17 59.5400291832 +25 08 12.603122268   14.35 13.73     ~ 2895 0
132 Mrk 1383 Sy1 14 29 06.5720038632 +01 17 06.155007252   15.21 14.87     ~ 494 0
133 Z 296-15 Sy1 14 36 22.0820611632 +58 47 39.394934844   14.19 13.79     ~ 592 0
134 NGC 5695 Sy2 14 37 22.1349838776 +36 34 04.201272336   14.55 13.60     ~ 215 0
135 IC 1065 Sy2 14 49 21.5927137128 +63 16 13.799495280   17.30 16.39     ~ 378 1
136 Mrk 841 Sy1 15 04 01.1935384104 +10 26 15.780409692   14.50 14.27     ~ 701 0
137 LEDA 84492 rG 15 12 34.3310191152 +07 25 53.559441300   15       ~ 36 0
138 Z 49-90 Sy2 15 16 44.4893939136 +07 01 17.825410740   15.19 14.17     ~ 463 4
139 ESO 514-1 BLL 15 17 41.8134049824 -24 22 19.482207024   15.13 14.00 13.95   ~ 815 3
140 Z 77-97 rG 15 23 05.2995518184 +08 36 33.193663020   14.71       ~ 72 2
141 ICRF J152433.4-301221 Sy2 15 24 33.41429043 -30 12 21.3475562   15.92   14.43   ~ 50 1
142 NGC 5929 Sy1 15 26 06.1564333536 +41 40 14.384294616   13.0 14.00     ~ 450 0
143 NGC 5930 AGN 15 26 07.9964334517 +41 40 33.691556640   13.0       ~ 441 0
144 NGC 5953 Sy2 15 34 32.40240 +15 11 37.7990   13.23 12.45     ~ 389 1
145 NGC 6040A LIN 16 04 26.5089149693 +17 44 31.125762066   14.6       ~ 62 1
146 NGC 6086 LIN 16 12 35.5357829352 +29 29 05.246712168   14.8       ~ 202 1
147 Mrk 876 Sy1 16 13 57.1795021224 +65 43 09.952685328   16.03 15.49     ~ 620 0
148 NGC 6104 Sy1 16 16 30.6734802024 +35 42 28.968608844   18.17 17.35     ~ 126 0
149 Mrk 877 Sy1 16 20 11.2799789400 +17 24 27.515242152   15.79 15.39     ~ 286 0
150 NGC 6137 rG 16 23 03.1194649896 +37 55 20.550626868   14.1       ~ 130 1
151 NGC 6166 Sy2 16 28 38.24470063 +39 33 04.2335319   12.78 11.78     ~ 793 2
152 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2
153 IRAS 17002+5153 Sy1 17 01 24.8265469104 +51 49 20.447878836   15.49 15.12     ~ 401 0
154 8C 1704+608 Bla 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 782 1
155 ZW I 187 BLL 17 28 18.6242294352 +50 13 10.469553996   16.55 15.97 12.95   ~ 396 1
156 Z 340-35 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 909 1
157 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
158 3C 388.0 SyG 18 44 02.3840387736 +45 33 29.628672300   16.91 15.56     ~ 338 1
159 NGC 6814 Sy1 19 42 40.5862186152 -10 19 25.108718844   15.33 14.21 11.7 11.3 ~ 866 0
160 QSO B1959+650 BLL 19 59 59.8520303688 +65 08 54.652536492     12.8 11.21   ~ 699 2
161 IC 4995 Sy2 20 19 58.9795544088 -52 37 18.903502956   14.32 14.06 12.84   ~ 71 0
162 Mrk 509 Sy1 20 44 09.7504483224 -10 43 24.727155528   13.35 13.12 10.7   ~ 1370 0
163 IC 5063 Bla 20 52 02.15 -57 04 06.7   12.92 13.60 11.30   ~ 710 1
164 Mrk 1513 Sy1 21 32 27.8162556672 +10 08 19.252365396   14.92 14.64     ~ 651 0
165 QSO B2155-152 Bla 21 58 06.28188411 -15 01 09.3284729   18.63 18.30 17.79   ~ 355 1
166 Z 403-19 BLL 22 04 17.6521146096 +04 40 02.027503020   16.20 15.2 10.2   ~ 223 2
167 NGC 7213 Bla 22 09 16.2100443720 -47 10 00.115999716   10.97 12.08 10.50 10.6 ~ 700 1
168 3C 444 rG 22 14 25.752 -17 01 36.29     17.8     ~ 171 1
169 NGC 7319 Sy2 22 36 03.602 +33 58 33.18   14.57 13.53 12.65   ~ 325 0
170 PKS J2239-1720 rG 22 39 11.3765803152 -17 20 28.214520864   15.93 16.0 14.53   ~ 64 1
171 Z 495-12 Sy2 22 41 07.5805261416 +32 10 11.073002988   14.95 14.10     ~ 94 1
172 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3
173 NGC 7603 Sy1 23 18 56.6538277656 +00 14 37.977066096   14.73 14.01     ~ 438 0
174 NGC 7626 rG 23 20 42.524 +08 13 01.43   12.8       ~ 438 1
175 NVSS J232432+143825 rG 23 24 32.0965241760 +14 38 21.961599324   15.0 13.5     ~ 45 1
176 [LO95] 2322-122 rG 23 25 35.40 -11 59 35.7           ~ 2 0
177 NGC 7672 Sy2 23 27 31.4358992112 +12 23 06.832583628   15.05 14.21     ~ 95 0
178 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
179 NGC 7682 Sy2 23 29 03.9181335984 +03 31 59.921415444   14.3       ~ 254 1
180 PKS 2333-327 rG 23 36 07.2006066000 -32 30 32.275186092   15.25       ~ 20 0
181 NGC 7720 Sy1 23 38 29.38324020 +27 01 53.2580084   13.9 13.3     ~ 565 4
182 NGC 7743 Sy2 23 44 21.1607807112 +09 56 02.970989664   14.19 13.28     ~ 334 0
183 QSO B2344+514 BLL 23 47 04.8372110928 +51 42 17.877513168     15.50 10.7   ~ 500 1

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