2000MNRAS.319..562H

Query : 2000MNRAS.319..562H

2000MNRAS.319..562H - Mon. Not. R. Astron. Soc., 319, 562-572 (2000/December-1)

The environments of FRII radio sources.

HARDCASTLE M.J. and WORRALL D.M.

Abstract (from CDS):

Using ROSAT observations, we estimate gas pressures in the X-ray-emitting medium surrounding 63 FRII radio galaxies and quasars. We compare these pressures with the internal pressures of the radio-emitting plasma estimated by assuming minimum energy or equipartition. In the majority of cases (including 12/13 sources with modelled, spatially resolved X-ray emission) radio sources appear to be underpressured with respect to the external medium, suggesting that simple minimum-energy arguments underestimate the internal energy density of the sources. We discuss possible departures from the minimum-energy condition and the consequences of our result for models of the dynamics of radio galaxies, in particular self-similar models.

Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): galaxies: active - galaxies: clusters: general - X-rays: galaxies

Simbad objects: 66

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Number of rows : 66
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 13 rG 00 34 14.555 +39 24 16.67   22.5       ~ 144 1
2 3C 20 Sy2 00 43 09.18053760 +52 03 36.1486440   19.0       ~ 221 1
3 2C 94 Sy2 01 08 52.8701830824 +13 20 14.262799812   15.19       ~ 494 2
4 8C 0106+729 Sy1 01 09 44.2610635193 +73 11 57.121454897   19.5       ~ 155 1
5 2E 437 Sy1 01 36 24.4208152464 +20 57 27.522990972   18.15 18.10     ~ 367 2
6 3C 61.1 Sy2 02 23 13.4857575951 +86 19 13.422392083     19.0     ~ 210 1
7 7C 022118.10+273638.00 Sy1 02 24 12.2865158736 +27 50 11.538285648   19.502 18 18.263   ~ 210 1
8 3C 79.0 Sy2 03 10 00.0936589848 +17 05 58.599361932   19.54 18.75     ~ 268 3
9 2C 349 Sy2 03 58 54.4370049840 +10 26 02.791855968   16.68 15.41     ~ 356 2
10 NAME Per B SyG 04 37 04.37535450 +29 40 13.8179631   21.7       ~ 533 2
11 3C 171.0 Sy2 06 55 14.7385158451 +54 08 57.427918985   19.94 19.08     ~ 264 1
12 3C 181.0 Sy2 07 28 10.2171164616 +14 37 36.565176324   19.35 18.92     ~ 168 2
13 2XMM J080535.0+240951 Sy2 08 05 35.0054956728 +24 09 50.330022516   15.46       ~ 336 1
14 3C 196 Sy1 08 13 36.0561170112 +48 13 02.644966020   18.36 17.79     ~ 578 2
15 3C 204 QSO 08 37 45.0013678200 +65 13 35.305376376   18.76 18.21     ~ 184 1
16 3C 207.0 Bla 08 40 47.58842599 +13 12 23.5637506   18.58 18.15 17.622   ~ 455 1
17 3C 208 QSO 08 53 08.6093021736 +13 52 54.845406984   17.76 17.42     ~ 257 1
18 3C 212 QSO 08 58 41.44702653 +14 09 44.7622845   19.96 19.06     ~ 257 1
19 LB 9308 Sy1 09 06 31.8732919056 +16 46 11.785679112   18.48 18.27     ~ 303 3
20 3C 219 Sy1 09 21 08.6258123424 +45 38 57.358202856   19.56 18.69     ~ 424 2
21 3C 220.1 BLL 09 32 39.98061600 +79 06 29.9226600   20.5       ~ 138 1
22 3C 220.3 rG 09 39 23.43 +83 15 26.2   20.5   20.140   ~ 98 1
23 3C 223.0 Sy2 09 39 52.7594046216 +35 53 58.922078496   19.51 18.60     ~ 279 0
24 4C 36.16 Rad 09 39 55.08 +35 52 13.4           ~ 271 1
25 4C 73.08 Sy2 09 49 45.967 +73 14 23.25   16.00   11.7   ~ 127 0
26 3C 236.0 BLL 10 06 01.75023017 +34 54 10.4016113   15.97       ~ 473 2
27 3C 241 rG 10 21 54.533 +21 59 30.50   23.5       ~ 171 1
28 4C 12.37 QSO 10 42 44.6052783816 +12 03 31.263917976   18.03 17.77     ~ 448 2
29 3C 247 QSO 10 58 58.34046 +43 01 21.1619   21.5       ~ 160 1
30 [OKM2018] SWIFT J1104.8+7689 Sy1 11 04 13.8611496720 +76 58 58.194549084   15.70 15.72 15.40   ~ 564 1
31 3C 254 QSO 11 14 38.7251836992 +40 37 20.329281156   17.62 17.42     ~ 331 2
32 ICRF J113957.0+654749 Sy1 11 39 57.0254367168 +65 47 49.483232880   16.50 16.32     ~ 528 1
33 3C 263.1 QSO 11 43 25.083 +22 06 56.08   20       ~ 148 1
34 3C 266 rG 11 45 43.384 +49 46 07.90   22       ~ 150 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 ICRF J120913.6+433920 Sy1 12 09 13.6108333200 +43 39 20.916497268   18.81 18.24     ~ 248 1
37 7C 1218+3359 QSO 12 20 33.8756544048 +33 43 12.026168040   18.80 18.61     ~ 271 1
38 ICRF J124357.6+162253 Sy1 12 43 57.6491122968 +16 22 53.395049244   19.23 19.00     ~ 321 1
39 3C 277.2 Sy1 12 53 32.425 +15 42 25.29   21.5       ~ 152 1
40 7C 125441.29+473632.00 SyG 12 56 57.485 +47 20 20.23   22.0       ~ 285 1
41 2MASX J13110466+2728070 Sy2 13 11 04.6615315248 +27 28 07.229535420   18.93 18.00     ~ 200 1
42 3C 289 QSO 13 45 26.699 +49 46 31.39   23       ~ 161 1
43 3C 294 rG 14 06 44.317 +34 11 30.19           ~ 234 1
44 3C 295 Sy1 14 11 20.6 +52 12 09   22.34 20.80 18.54   ~ 1021 4
45 3C 299 rG 14 21 05.6960 +41 44 49.260   20.496 19.330 18.560   ~ 187 1
46 ICRF J144302.7+520137 Sy1 14 43 02.76069031 +52 01 37.2985156   18.96 18.29     ~ 316 3
47 3C 318.0 QSO 15 20 05.4773966208 +20 16 05.471959692   21.93 20.9     ~ 197 1
48 3C 324.0 Sy1 15 49 49.170 +21 25 39.50   21.5       ~ 312 1
49 7C 154914.09+625020.00 QSO 15 49 59.206 +62 41 18.31   21.92 20.70     ~ 147 2
50 2MASX J15520913+2005477 G 15 52 09.1120432368 +20 05 48.211598760   17.87 17.08     ~ 145 1
51 2MASX J15520920+2005237 SyG 15 52 09.1938375312 +20 05 23.180614152   17.87 17.08     ~ 129 2
52 3C 326 Rad 15 52 24.9 +20 05 57   17.87 17.08     ~ 226 3
53 NAME 3C 330G2 Sy2 16 09 34.92456720 +65 56 37.8351240   20.33       ~ 280 1
54 2E 3648 Sy1 16 20 21.8185395384 +17 36 23.952361176   16.53 16.41 20.5   ~ 425 2
55 ICRF J163828.2+623444 Sy2 16 38 28.22535940 +62 34 44.3168151   20.7 20.7     ~ 167 2
56 3C 346.0 BLL 16 43 48.605 +17 15 49.43   17.2       ~ 270 1
57 8C 1704+608 Bla 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 782 1
58 3C 356 QSO 17 24 20.232 +50 57 14.47   21.5 21.5     ~ 225 1
59 4C 16.49 QSO 17 34 42.6025956120 +16 00 32.342065776     18.4     ~ 78 2
60 3C 368.0 rG 18 05 06.358 +11 01 32.55   21.5       ~ 253 1
61 Z 173-14 Sy1 18 35 03.3896172576 +32 41 46.855964616   16.50 15.39 10.50   ~ 688 1
62 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
63 3C 388.0 SyG 18 44 02.3840387736 +45 33 29.628672300   16.91 15.56     ~ 338 1
64 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2
65 3C 433.0 Sy2 21 23 44.5778423928 +25 04 27.670672416   17.660 16.350     ~ 338 1
66 3C 455.0 QSO 22 55 03.8909253126 +13 13 33.940584742   19.535 19.590 19.190   ~ 197 1

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