1999MNRAS.309..681G

Query : 1999MNRAS.309..681G

1999MNRAS.309..681G - Mon. Not. R. Astron. Soc., 309, 681-684 (1999/November-1)

Hotspot position as an orientation indicator in FR II radio sources.

GILBERT G.M. and RILEY J.M.

Abstract (from CDS):

We show that for a sample of radio sources with z<0.5 from the complete LRL data set the broad-lined radio galaxies (BLRGs) have hotspots that are very much more recessed than their narrow-lined counterparts. The asymmetry in the amount by which the hotspots are recessed in the two lobes of a source is also greater in the BLRGs. Assuming the standard unified model these results indicate that the position of the hotspots in the lobes is orientation-dependent. The most plausible interpretation is that the hotspots do not always coincide with the termination point of the beam but are sometimes other, relativistically beamed, features internal to the lobes.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): galaxies: active - galaxies: jets - radio continuum: galaxies

Simbad objects: 59

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Number of rows : 59
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 3C 14.1 Rad 00 36 27 +59 46.5           ~ 19 0
2 3C 16 rG 00 37 44.570 +13 19 55.00   21       ~ 128 3
3 4C 32.03 rG 00 40 54.9 +33 10 04   20       ~ 147 1
4 3C 20 Sy2 00 43 09.18053760 +52 03 36.1486440   19.0       ~ 221 1
5 2C 94 Sy2 01 08 52.8701830824 +13 20 14.262799812   15.19       ~ 494 2
6 8C 0106+729 Sy1 01 09 44.2610635193 +73 11 57.121454897   19.5       ~ 155 1
7 3C 35 QSO 01 12 02.2561727808 +49 28 34.990660524     15.6     ~ 146 0
8 3C 42 rG 01 28 30.332 +29 02 59.45   20       ~ 145 1
9 3C 46 rG 01 35 24.67 +37 53 47.0   19.5       ~ 136 2
10 2E 437 Sy1 01 36 24.4208152464 +20 57 27.522990972   18.15 18.10     ~ 367 2
11 3C 61.1 Sy2 02 23 13.4857575951 +86 19 13.422392083     19.0     ~ 210 1
12 7C 022118.10+273638.00 Sy1 02 24 12.2865158736 +27 50 11.538285648   19.502 18 18.263   ~ 210 1
13 3C 79.0 Sy2 03 10 00.0936589848 +17 05 58.599361932   19.54 18.75     ~ 268 3
14 2C 349 Sy2 03 58 54.4370049840 +10 26 02.791855968   16.68 15.41     ~ 356 2
15 ICRF J041340.3+111214 Sy2 04 13 40.34100355 +11 12 14.7860055   18.96 18.01     ~ 334 1
16 NAME Per B SyG 04 37 04.37535450 +29 40 13.8179631   21.7       ~ 533 2
17 3C 132 rG 04 56 42.922 +22 49 23.06   18.5       ~ 157 1
18 2C 524 Sy2 06 09 32.701768 +48 04 17.04207   21.198 18.00 18.767   ~ 182 1
19 3C 171.0 Sy2 06 55 14.7385158451 +54 08 57.427918985   19.94 19.08     ~ 264 1
20 3C 173.1 rG 07 09 18.2015614632 +74 49 31.815420780   19.982 18.9 17.540   ~ 138 1
21 3C 184.1 Sy2 07 43 01.3778005643 +80 26 26.042651834     17.0     ~ 190 1
22 4C 56.16 rG 07 49 48.077 +55 54 19.45           ~ 176 1
23 2XMM J080535.0+240951 Sy2 08 05 35.0054956728 +24 09 50.330022516   15.46       ~ 336 1
24 3C 200 rG 08 27 25.38019 +29 18 44.9601   20       ~ 178 1
25 4C 14.27 Sy1 08 35 03.62136 +14 11 48.7212   19.5       ~ 59 2
26 LB 9308 Sy1 09 06 31.8732919056 +16 46 11.785679112   18.48 18.27     ~ 303 3
27 3C 219 Sy1 09 21 08.6258123424 +45 38 57.358202856   19.56 18.69     ~ 424 2
28 3C 223.0 Sy2 09 39 52.7594046216 +35 53 58.922078496   19.51 18.60     ~ 279 0
29 4C 36.16 Rad 09 39 55.08 +35 52 13.4           ~ 271 1
30 4C 73.08 Sy2 09 49 45.967 +73 14 23.25   16.00   11.7   ~ 127 0
31 7C 095855.9+290131 Sy2 10 01 49.5227371368 +28 47 08.943487440   18.21 17.27     ~ 447 1
32 3C 236.0 BLL 10 06 01.75023017 +34 54 10.4016113   15.97       ~ 473 2
33 3C 244.1 QSO 10 33 33.9860997312 +58 14 35.611906344   19.0 19.0     ~ 191 1
34 [OKM2018] SWIFT J1104.8+7689 Sy1 11 04 13.8611496720 +76 58 58.194549084   15.70 15.72 15.40   ~ 564 1
35 3C 268.3 Sy2 12 06 24.70656 +64 13 36.8760 22.74 21.847 20.790 19.910   ~ 196 1
36 3C 274.1 rG 12 35 22.97 +21 20 18.3   20       ~ 144 0
37 2MASX J13110466+2728070 Sy2 13 11 04.6615315248 +27 28 07.229535420   18.93 18.00     ~ 200 1
38 6C 131905+425044 Sy2 13 21 17.813 +42 35 15.38   16.86 16.23     ~ 282 1
39 3C 295 Sy1 14 11 20.6 +52 12 09   22.34 20.80 18.54   ~ 1021 4
40 3C 299 rG 14 21 05.6960 +41 44 49.260   20.496 19.330 18.560   ~ 187 1
41 3C 300 Sy2 14 22 59.85648 +19 35 36.7152   19.66 18.73     ~ 206 2
42 ICRF J144302.7+520137 Sy1 14 43 02.76069031 +52 01 37.2985156   18.96 18.29     ~ 316 3
43 3C 319.0 rG 15 24 05.499 +54 28 14.64   18.5       ~ 154 1
44 3C 321 Sy1 15 31 43.46520 +24 04 18.9948   16.0   15.40   ~ 341 1
45 2MASX J15520913+2005477 G 15 52 09.1120432368 +20 05 48.211598760   17.87 17.08     ~ 145 1
46 2MASX J15520920+2005237 SyG 15 52 09.1938375312 +20 05 23.180614152   17.87 17.08     ~ 129 2
47 3C 326 Rad 15 52 24.9 +20 05 57   17.87 17.08     ~ 226 3
48 3C 341 rG 16 28 04.049 +27 41 43.07   19       ~ 146 1
49 3C 349 rG 16 59 32.079 +47 02 16.56   19 19.0     ~ 163 1
50 8C 1704+608 Bla 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 782 1
51 3C 381.0 Sy2 18 33 46.2946146576 +47 27 02.566037088   18.64 17.24     ~ 209 1
52 Z 173-14 Sy1 18 35 03.3896172576 +32 41 46.855964616   16.50 15.39 10.50   ~ 688 1
53 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
54 3C 388.0 SyG 18 44 02.3840387736 +45 33 29.628672300   16.91 15.56     ~ 338 1
55 3C 401 SyG 19 40 25.116 +60 41 34.97   19.1       ~ 206 1
56 3C 436 Sy2 21 44 11.7308886192 +28 10 18.750481356   18.5       ~ 196 1
57 2C 1820 SyG 21 55 52.324 +38 00 28.51   19.20       ~ 234 1
58 3C 452 Sy2 22 45 48.7616172744 +39 41 15.906782184   17.60 16.56     ~ 391 1
59 3C 457 QSO 23 12 07.590 +18 45 41.51   19.5       ~ 95 1

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