2013A&A...560A..81B


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.16CEST18:27:15

2013A&A...560A..81B - Astronomy and Astrophysics, volume 560A, 81-81 (2013/12-1)

An optical spectroscopic survey of the 3CR sample of radio galaxies with z < 0.3. V. Implications for the unified model for FR IIs.

BALDI R.D., CAPETTI A., BUTTIGLIONE S., CHIABERGE M. and CELOTTI A.

Abstract (from CDS):

We explore the implications of our optical spectroscopic survey of 3CR radio sources with z<0.3 for the unified model (UM) for radio-loud AGN, focusing on objects with a ``edge-brightened'' (FR II) radio morphology. The sample contains 33 high ionization galaxies (HIGs) and 18 broad line objects (BLOs). According to the UM, HIGs, the narrow line sources, are the nuclearly obscured counterparts of BLOs. The fraction of HIGs indicates a covering factor of the circumnuclear matter of 65% that corresponds, adopting a torus geometry, to an opening angle of 50°±5. No dependence on redshift and luminosity on the torus opening angle emerges. We also consider the implications for a ``clumpy'' torus. The distributions of total radio luminosity of HIGs and BLOs are not statistically distinguishable, as expected from the UM. Conversely, BLOs have a radio core dominance, R, more than ten times larger with respect to HIGs, as expected in case of Doppler boosting when the jets in BLOs are preferentially oriented closer to the line of sight than in HIGs. Modeling the R distributions leads to an estimate of the jet bulk Lorentz factor of Γ∼3-5. The test of the UM based on the radio source size is not conclusive due to the limited number of objects and because the size distribution is dominated by the intrinsic scatter rather than by projection effects. The [OII] line luminosities in HIGs and BLOs are similar but the [OIII] and [OI] lines are higher in BLOs by a factor of ∼2. We ascribe this effect to the presence of a line emitting region located within the walls of the obscuring torus, visible in BLOs but obscured in HIGs, with a density higher than the [OII] critical density. We find evidence that BLOs have broader [OI] and [OIII] lines than HIGs of similar [OII] width, as expected in the presence of high density gas in the proximity of the central black hole. In conclusion, the radio and narrow line region (NLR) properties of HIGs and BLOs are consistent with the UM predictions when the partial obscuration of the NLR is taken into account. We also explored the radio properties of 21 3CR low ionization galaxies with a FR II radio morphology at z<0.3. We find evidence that they cannot be part of the model that unifies HIGs and BLOs, but they are instead intrinsically different source, still reproduced by a randomly oriented population.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: jets - galaxies: nuclei

Simbad objects: 73

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Number of rows : 73

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 3C 15 BiC 00 37 04.1109920574 -01 09 08.404283613   15.34       ~ 209 1
2 ICRF J003820.5-020740 Sy1 00 38 20.52934827 -02 07 40.5476126   19.04 18.02 17.6   ~ 200 1
3 3C 18.0 Sy2 00 40 50.5 +10 03 27   18.5       ~ 142 2
4 3C 20 Sy2 00 43 09.6 +52 03 35   19.0       ~ 200 0
5 2C 94 Sy2 01 08 52.8701245540 +13 20 14.257796477   15.19       ~ 440 2
6 3C 33.1 Sy1 01 09 44.3 +73 11 57   19.5       ~ 137 1
7 3C 63 BLL 02 20 54.3 -01 56 51   18.5       ~ 137 0
8 3C 61.1 Sy2 02 22 48.3 +86 18 51     19.0     ~ 181 1
9 3C 79.0 Sy2 03 10 00.0932580214 +17 05 58.593728115   19.54 18.75     ~ 242 3
10 3C 88 QSO 03 27 54.19484 +02 33 41.9820   13.95       ~ 208 1
11 3CR 93.1 Sy2 03 48 46.9076031514 +33 53 15.460411800   20.723   19.110   ~ 124 1
12 2C 349 Sy2 03 58 54.4385123848 +10 26 02.820631972   16.68 15.41     ~ 321 2
13 2MASX J04071644+0342262 Sy2 04 07 16.440 +03 42 26.23   18.5       ~ 199 1
14 3C 111 Sy1 04 18 21.2773655604 +38 01 35.801523843   19.75 18.05     ~ 857 1
15 NAME Per B AGN 04 37 04.37510272 +29 40 13.8184969   21.7       ~ 470 2
16 3C 132 rG 04 56 42.922 +22 49 23.06   18.5       ~ 143 1
17 ICRF J050258.4+251625 AGN 05 02 58.47478439 +25 16 25.2761557   20       ~ 157 1
18 2MASX J05140834+0056316 Sy2 05 14 08.3682154567 +00 56 32.515822859   18.24 17.00     ~ 130 2
19 2MASX J05160313+2458254 AGN 05 16 03.133 +24 58 25.47   17       ~ 85 1
20 2C 524 Sy2 06 09 32.701768 +48 04 17.04207   21.198 18.00 18.767   ~ 171 1
21 3C 165 rG 06 43 07.4 +23 19 03   19.5       ~ 73 1
22 ICRF J064524.0+212151 AGN 06 45 24.09951 +21 21 51.2016   19.5       ~ 129 1
23 3C 171.0 Sy2 06 55 14.7 +54 08 59   19.94 19.08     ~ 238 0
24 3C 173.1 rG 07 09 18.124 +74 49 31.80   19.982 18.9 17.540   ~ 127 1
25 3C 180 AGN 07 27 04.7 -02 04 30   19       ~ 76 1
26 7C 073432.79+803253.00 Sy1 07 43 01.4 +80 26 26     17.0     ~ 170 1
27 2XMM J080535.0+240951 Sy2 08 05 35.0057673498 +24 09 50.334614040   15.46       ~ 312 1
28 3C 196.1 AGN 08 15 27.825 -03 08 27.67   18.490 16.940 16.797   ~ 112 1
29 3C 197.1 BLL 08 21 33.6009413715 +47 02 37.299966417   18.08 17.33     ~ 128 1
30 3C 213.1 AGN 09 01 05.258 +29 01 46.93   18.84 18.08 18.600   ~ 115 1
31 3C 219 Sy1 09 21 08.6263828902 +45 38 57.345842278   19.56 18.69     ~ 385 2
32 7C 093653.10+360601.00 Sy2 09 39 52.7593482853 +35 53 58.921088539   19.51 18.60     ~ 255 1
33 7C 093818.10+395820.00 Sy2 09 41 24.0272828657 +39 44 41.806341013   16.36 16.4     ~ 176 2
34 2MASX J09474514+0725204 Sy1 09 47 45.1435259633 +07 25 20.596199631   17.37 16.95     ~ 332 0
35 7C 095855.89+290131.00 Sy1 10 01 49.5226070599 +28 47 08.913353395   18.21 17.27     ~ 396 1
36 ICRF J100601.7+345410 Sy1 10 06 01.75030199 +34 54 10.4005583   15.97       ~ 407 2
37 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5320 1
38 NAME Coma A Sy2 12 54 12.052 +27 37 34.15   15.94       ~ 342 1
39 2MASX J13110466+2728070 Sy2 13 11 04.670 +27 28 07.24   18.93 18.00     ~ 187 1
40 2MASX J13211781+4235153 Sy2 13 21 17.813 +42 35 15.38   16.86 16.23     ~ 253 0
41 ICRF J133253.2+020045 Sy1 13 32 53.27053954 +02 00 45.6995025   19.08 18.49     ~ 189 1
42 3C 288 rG 13 38 49.6 +38 51 11   18.3       ~ 165 1
43 NGC 5548 Sy1 14 17 59.5401093128 +25 08 12.600227883   14.35 13.73     ~ 2393 0
44 3C 300 AGN 14 22 59.9 +19 35 37   19.66 18.73     ~ 184 2
45 ICRF J144302.7+520137 Sy1 14 43 02.7611088916 +52 01 37.306023702   18.96 18.29     ~ 270 3
46 8C 1443+773 Sy2 14 43 14.0 +77 07 28   19   18.730   ~ 138 1
47 IC 1065 Sy2 14 49 21.5921149894 +63 16 13.816373757   17.30 16.39     ~ 333 1
48 VV 204 AGN 15 04 57.120 +26 00 58.46   15.24       ~ 274 0
49 3C 321 Sy2 15 31 43.473 +24 04 18.93   16.0   15.40   ~ 307 1
50 2MASX J15474353+2052167 Sy1 15 47 43.5377678391 +20 52 16.613895999   16.80 16.69 15.70   ~ 443 0
51 3C 326 Rad 15 52 26.60 +20 06 00.0   17.87 17.08     ~ 208 3
52 3C 327 Sy2 16 02 27.4 +01 57 56   17.70 16.31     ~ 228 0
53 7C 161547.29+322956.00 Sy1 16 17 42.5379079793 +32 22 34.373288602   18.25 17.45     ~ 230 1
54 3C 349 rG 16 59 32.00 +47 02 16.0   19 19.0     ~ 147 1
55 2C 1473 AGN 17 20 28.147 -00 58 47.12   15.36       ~ 299 1
56 4C 31.47 rG 17 28 20.134 +31 46 03.01   15.5       ~ 124 1
57 3C 379.1 QSO 18 24 33.061 +74 20 58.57   18.0 18.0     ~ 83 1
58 2MASX J18334627+4727027 Sy1 18 33 46.2946109378 +47 27 02.568353862   18.64 17.24     ~ 194 1
59 ICRF J183503.3+324146 Sy1 18 35 03.3896681512 +32 41 46.856048508   16.50 15.39 10.50   ~ 579 1
60 ICRF J184208.9+794617 Sy1 18 42 08.9910523393 +79 46 17.129210139   16.06 15.38     ~ 1208 0
61 3C 388.0 SyG 18 44 02.417 +45 33 29.81   16.91 15.56     ~ 301 1
62 3C 401 SyG 19 40 25.2 +60 41 34   19.1       ~ 193 1
63 3C 403.0 Sy2 19 52 15.7997953344 +02 30 24.235518851   15.42 16.5     ~ 294 1
64 3C 410 QSO 20 20 06.5624875736 +29 42 14.183853306   19.5       ~ 108 0
65 3C 430 QSO 21 18 19.131 +60 48 07.54   15       ~ 106 1
66 2MASX J21234458+2504272 Sy2 21 23 44.582 +25 04 27.23   17.660 16.350     ~ 300 0
67 3C 436 AGN 21 44 11.720 +28 10 18.86   18.5       ~ 174 1
68 LEDA 68751 Sy1 22 23 49.7 -02 06 13   16.93 15.77 16.02   ~ 432 2
69 3C 452 Sy2 22 45 48.787 +39 41 15.36   17.60 16.56     ~ 338 1
70 3C 456 AGN 23 12 28.0711694296 +09 19 26.469101543   18.54       ~ 103 2
71 3C 458 rG 23 12 54.5 +05 16 24   20       ~ 84 1
72 2C 1883 Sy2 23 16 35.1925435787 +04 05 18.292942690   17.54 16.68 17.220   ~ 275 1
73 3C 460 AGN 23 21 28.4 +23 46 48   20.315   18.468   ~ 87 2

    Equat.    Gal    SGal    Ecl

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2020.07.16-18:27:15

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