2007MNRAS.379..260M

Query : 2007MNRAS.379..260M

2007MNRAS.379..260M - Mon. Not. R. Astron. Soc., 379, 260-274 (2007/July-3)

The interplay between radio galaxies and cluster environment.

MAGLIOCCHETTI M. and BRUGGEN M.

Abstract (from CDS):

By combining the REFLEX and NORAS cluster data sets with the NVSS radio catalogue, we obtain a sample of 145, z < 0.3, X-ray-selected clusters brighter than 3x10–12 erg/s/cm2 that show a central radio emission above 3 mJy. For virial masses Mvir≲ 1014.5M☉, 11 clusters out of 12 (corresponding to 92 per cent of the systems) are inhabited by a central radio source. This fraction decreases with higher masses as ∝ M–0.4vir. If this decrease is a selection effect, it suggests that the majority of X-ray-selected clusters host in their centre a radio source brighter than ∼1020 W/Hz/sr. A division of the sample into clusters harbouring either point-like or an extended radio-loud active galactic nucleus (AGN) reveals that the steepening of the LX-T relation for low-temperature clusters is strongly associated with the presence of central radio objects with extended jets and/or lobe structures. In the latter case, LX∝ T4 while for point-like sources one recovers an approximately self-similar relation LX∝ T2.3. Monte Carlo simulations show that the steepening of the LX-T relation is not caused by clusters being underluminous in the X-ray band, but rather by overheating, most likely caused by the interplay between the extended radio structures and the intracluster medium. In the case of low-mass systems, we also find a tight correlation between radio luminosity and cluster temperature. The effects of the central radio source on the thermal state of a cluster become less important with increasing cluster mass.

The presence of radio sources with extended structures (61, corresponding to ∼42 per cent of the sample) is enhanced in X-ray luminous clusters with respect to `field' radio-loud AGN. Furthermore, we find that the luminosity distribution of the cluster radio population differs from that of all radio sources, as there is a deficit of low-luminosity (LR≲ 1022 W/Hz/sr) objects, while the number of high-luminosity ones is boosted. The net effect on the radio luminosity function of radio galaxies associated with cluster centres is of a flattening at all luminosities LR≲ 1024 W/Hz/sr.


Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: active - galaxies: clusters: general - galaxies: statistics - cosmology: observations - radio continuum: galaxies - X-rays: galaxies: clusters

VizieR on-line data: <Available at CDS (J/MNRAS/379/260): table1.dat>

Simbad objects: 154

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Number of rows : 154
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 NAME UGC 12890 Group GrG 00 00 10.6 +08 16 37           ~ 18 0
2 ACO 2717 ClG 00 03 12.9 -35 56 13           ~ 146 0
3 ACO 2700 ClG 00 03 49.7 +02 03 59           ~ 94 0
4 UGC 32 Sy2 00 04 58.4483 +11 42 03.275   17       ~ 25 1
5 1RXS J000459.1+114205 ClG 00 04 59.4 +11 42 02           ~ 12 0
6 ACO 2734 ClG 00 11 21.60 -28 51 16.6           ~ 156 0
7 ACO 22 ClG 00 20 41.4 -25 42 39           ~ 111 0
8 PSZ2 G114.90-34.35 GrG 00 21 24.6149 +28 03 01.550   17.8       ~ 26 0
9 ACO S 41 ClG 00 25 33 -33 01.0           ~ 25 1
10 ACO 77 ClG 00 40 34.2 +29 31 27           ~ 76 0
11 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 974 0
12 ACO S 84 ClG 00 49 23.2 -29 31 33           ~ 89 0
13 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 391 1
14 ACO 151 ClG 01 08 52.3 -15 25 01           ~ 199 1
15 ACO 2895 ClG 01 18 07.985 -26 58 00.42           ~ 54 0
16 ZwCl 0118-1408 ClG 01 20 58.78 -13 51 07.0           ~ 28 0
17 BAX 021.3807+01.7591 ClG 01 25 31.3 +01 45 33           ~ 24 0
18 NGC 533 rG 01 25 31.4074984248 +01 45 33.236656812   13.1 14.11     ~ 237 1
19 2MAXI J0134-082 ClG 01 32 41.1 -08 04 06           ~ 21 0
20 BAX 024.3000-09.1833 ClG 01 37 13.37 -09 11 13.6           ~ 37 0
21 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 727 1
22 MCXC J0200.2+3126 ClG 02 00 16.5 +31 26 11           ~ 13 0
23 ACO S 301 ClG 02 49 33.72 -31 11 23.2           ~ 70 2
24 BAX 043.2159-01.2747 ClG 02 52 49.4 -01 16 27           ~ 104 0
25 NGC 1132 EmG 02 52 51.82 -01 16 29.0   13.9   12.16   ~ 180 0
26 ZwCl 0258+0142 ClG 03 01 38.5 +01 55 16     18.0     ~ 34 0
27 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
28 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
29 ZwCl 0335+0956 ClG 03 38 35.3 +09 57 54           ~ 402 1
30 MCXC J0340.1-1835 ClG 03 40 11.9 -18 34 49           ~ 10 0
31 BAX 055.3242+15.3961 ClG 03 41 16.9 +15 24 27           ~ 45 0
32 ACO 478 ClG 04 13 24.8 +10 27 52           ~ 522 0
33 RXC J0413.9-3805 ClG 04 13 58.8 -38 05 53           ~ 24 0
34 BAX 064.9080+02.4099 GrG 04 19 38.2 +02 25 12           ~ 44 1
35 ClG 0422-09 ClG 04 25 51.02 -08 33 38.5           ~ 97 0
36 ACO 496 ClG 04 33 40.8 -13 14 34           ~ 728 2
37 ACT-CL J0438.9+0716 ClG 04 39 00.7 +07 15 45           ~ 62 0
38 BAX 069.7593+05.3453 ClG 04 39 02.2 +05 20 43           ~ 82 0
39 ACT-CL J0528.2-2942 ClG 05 28 15.1 -29 43 03           ~ 22 0
40 ACO 3364 ClG 05 47 38.1 -31 52 15           ~ 86 0
41 ACO 3392 ClG 06 27 05.6 -35 29 30           ~ 36 2
42 BAX 115.2425+55.4275 ClG 07 40 59.4 +55 25 55           ~ 34 0
43 ZwCl 0735+7421 ClG 07 41 40.3 +74 14 58     17.70     ~ 273 0
44 ACO 646 ClG 08 22 10.0 +47 05 58           ~ 102 1
45 ACO 761 ClG 09 10 36.0 -10 34 59           ~ 35 0
46 ClG 0915.7-1153 ClG 09 18 06.0 -12 05 45           ~ 16 0
47 ACO 780 ClG 09 18 30 -12 15.7           ~ 469 0
48 ACO 795 ClG 09 24 11.26 +14 09 03.5           ~ 120 0
49 ACO S 617 ClG 09 38 01.5 -20 20 36           ~ 14 0
50 MCXC J0944.6-2633 ClG 09 44 37.1 -26 33 50           ~ 8 0
51 ACO 907 ClG 09 58 21.84 -11 03 47.5           ~ 137 0
52 ACO 923 ClG 10 06 38.82 +25 54 44.8           ~ 33 0
53 ACO 3444 ClG 10 23 53.1540 -27 15 07.840           ~ 97 0
54 ACO 1023 ClG 10 27 58.8 -06 47 54           ~ 20 0
55 ACO 1045 ClG 10 34 52.19 +30 41 41.5           ~ 37 0
56 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 905 1
57 ACO 1068 ClG 10 40 47.1 +39 57 19           ~ 232 0
58 ACO 1084 ClG 10 44 37.1 -07 04 47           ~ 78 0
59 NAME NGC 3411 Group GrG 10 50 26.9 -12 50 26           ~ 50 0
60 ACO 1190 ClG 11 11 43.83 +40 51 43.5           ~ 145 0
61 ACO 1348 ClG 11 41 24.0 -12 16 00           ~ 70 0
62 ACO 3490 ClG 11 45 19.6 -34 25 59           ~ 55 1
63 ACO 1371 ClG 11 45 22.19 +15 29 43.3           ~ 50 1
64 ACO 1413 ClG 11 55 12.87 +23 23 46.9           ~ 456 0
65 MCXC J1204.1+2020 ClG 12 04 11.6 +20 20 53           ~ 15 0
66 NAME NGC 4073 Group GrG 12 04 44.08 +01 48 40.9     13.53     ~ 292 0
67 ZwCl 1215+0400 ClG 12 17 43.62 +03 38 51.5           ~ 169 0
68 MCXC J1225.2+3213 ClG 12 25 12.0 +32 13 45           ~ 22 0
69 87GB 122241.8+323117 Sy2 12 25 13.1062101168 +32 14 01.621351680   15.42 14.23     ~ 38 1
70 RBS 1118 ClG 12 29 45.46 +07 59 22.9           ~ 11 0
71 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
72 RXC J1234.2-3856 ClG 12 34 17.3 -38 56 38           ~ 6 0
73 ACO S 701 ClG 12 36 48.1 -35 32 01           ~ 7 0
74 NAME NGC 4636 Group GrG 12 42 49.5 +02 41 08           ~ 570 0
75 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
76 MCXC J1252.5-3116 ClG 12 52 34.93 -31 15 56.8           ~ 25 0
77 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 313 0
78 MCXC J1253.6-3931 ClG 12 53 41.3 -39 32 00           ~ 10 0
79 BAX 193.5900-29.0100 ClG 12 54 22.1 -29 00 46           ~ 45 0
80 BAX 193.6700-29.2254 ClG 12 54 40.6 -29 13 44           ~ 76 0
81 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 391 1
82 ACO 1651 ClG 12 59 27.3 -04 10 49           ~ 307 0
83 MCXC J1301.6-0650 ClG 13 01 35.6 -06 50 01           ~ 9 0
84 ACO 1668 ClG 13 04 00.60 +19 17 09.6           ~ 132 0
85 MCXC J1304.2-3030 ClG 13 04 17.3 -30 31 34           ~ 17 0
86 MCXC J1315.3-1623 ClG 13 15 24.0 -16 23 07           ~ 16 0
87 NAME NGC 5098 Group GrG 13 20 14.4 +33 08 38           ~ 65 0
88 ACO 1735 ClG 13 26 05.0 +12 23 16           ~ 29 0
89 BAX 201.5734+00.2261 ClG 13 26 21.77 +00 12 24.2     15.80     ~ 36 0
90 ACO 3558 ClG 13 28 03.2 -31 31 35           ~ 476 2
91 ACO 3560 ClG 13 32 23.7 -33 08 21           ~ 145 1
92 RXC J1346.2-1632 ClG 13 46 12.9 -16 32 42           ~ 5 0
93 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
94 RXC J1349.3-3018 ClG 13 49 19.2 -30 18 34           ~ 7 0
95 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 727 1
96 ACO 1837 ClG 14 01 36.2 -11 07 48           ~ 106 0
97 ACO S 753 ClG 14 03 35.9 -33 59 16           ~ 91 1
98 ACO 3581 ClG 14 07 29.8 -27 01 04           ~ 197 3
99 ACO 1885 ClG 14 13 43.73 +43 39 45.0           ~ 75 0
100 ACO 1907 ClG 14 21 39.91 +49 30 38.4           ~ 29 0
101 ACO 1927 ClG 14 31 06.80 +25 38 01.3           ~ 103 0
102 BAX 220.5748+22.3010 ClG 14 42 22.80 +22 19 07.2           ~ 27 0
103 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 349 1
104 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
105 BAX 225.2969+01.7020 ClG 15 01 11.86 +01 41 53.2           ~ 48 0
106 ClG J1504-0248 ClG 15 04 07.4 -02 48 15           ~ 186 0
107 ACO 2052 ClG 15 16 41.64 +07 01 45.5           ~ 756 1
108 ACO 2055 ClG 15 18 46.29 +06 13 42.9           ~ 113 0
109 ACT-CL J1521.8+0742 ClG 15 21 48.8 +07 43 41     15.13     ~ 326 0
110 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 414 2
111 MCXC J1524.2-3154 ClG 15 24 12.9 -31 54 25           ~ 34 0
112 MCXC J1558.3-1410 ClG 15 58 22.0 -14 09 59           ~ 44 0
113 AWM 4 ClG 16 04 52.01 +23 56 26.9     14.38     ~ 141 0
114 ACO 2175 ClG 16 20 30.70 +29 53 31.2           ~ 133 0
115 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1
116 AWM 5 ClG 16 58 00.8 +27 51 16     14.00     ~ 66 0
117 ACO 2241 ClG 16 59 42.58 +32 34 44.4           ~ 85 1
118 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 301 0
119 PMN J1715+0309 Rad 17 15 12.14 +03 09 42.5           ~ 17 1
120 ACT-CL J1715.1+0309 ClG 17 15 16.9 +03 10 34           ~ 19 0
121 NAME NGC 6338 Group GrG 17 15 32.47 +57 25 19.0           ~ 95 0
122 ClG J1720+2638 ClG 17 20 09.6 +26 37 35           ~ 284 0
123 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
124 ZwCl 1728+4353 ClG 17 33 00.0 +43 45 00           ~ 41 0
125 MCXC J1742.8+3900 ClG 17 42 48.3 +39 00 35           ~ 14 0
126 ZwCl 1742+3306 ClG 17 44 16.2753 +32 59 55.115           ~ 93 0
127 ClG J1750+3504 ClG 17 50 15.9 +35 04 58           ~ 36 0
128 NVSS J175016+350458 rG 17 50 16.8682358184 +35 04 58.558211040           ~ 37 2
129 ZwCl 1754+6807 ClG 17 54 39.5 +68 03 23           ~ 33 0
130 ZwCl 1810+4949 ClG 18 11 00.1 +49 54 40     14.8     ~ 60 0
131 RXC J1844.0+4533 ClG 18 44 01.8 +45 33 24           ~ 28 0
132 BAX 283.0392+57.1972 ClG 18 52 08.35 +57 11 42.7           ~ 24 0
133 MCXC J1931.6-3354 ClG 19 31 38.5 -33 54 43           ~ 9 0
134 MCXC J1958.2-3011 ClG 19 58 14.9 -30 11 13           ~ 14 0
135 MCXC J2101.5-1317 ClG 21 01 35.4 -13 17 54           ~ 7 0
136 ACT-CL J2102.1-2431 ClG 21 02 10.1 -24 31 57           ~ 41 0
137 ACO 3814 ClG 21 49 07.24 -30 42 06.4           ~ 60 0
138 ACO 2415 ClG 22 05 25.0 -05 35 23           ~ 124 1
139 ACO 2420 ClG 22 10 22.5 -12 11 13           ~ 126 0
140 BAX 333.2708-27.8989 ClG 22 13 05.0 -27 53 56           ~ 11 0
141 ACO 2428 ClG 22 16 07.01 -09 20 19.5           ~ 62 0
142 ACO 3856 ClG 22 18 45.2 -38 53 57           ~ 87 2
143 ACO 3880 ClG 22 27 49.5 -30 34 40           ~ 104 2
144 ACO 2495 ClG 22 50 17.10 +10 55 01.2           ~ 87 0
145 MCXC J2251.7-3206 ClG 22 51 47.5 -32 06 17           ~ 9 0
146 ACO 2554 ClG 23 12 18.7 -21 30 54           ~ 100 1
147 NGC 7556 GiG 23 15 44.473 -02 22 53.55   14   12.78   ~ 42 0
148 BAX 348.9417-02.3772 ClG 23 15 44.6 -02 22 54           ~ 30 0
149 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 572 0
150 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 265 0
151 ACO 4038 ClG 23 47 31.1 -28 12 10           ~ 349 3
152 ACO 2670 ClG 23 54 10.51 -10 23 06.8           ~ 364 0
153 ACO 4059 ClG 23 57 02.2 -34 45 58           ~ 400 1
154 ACO 4068 ClG 23 59 46 -39 28.3           ~ 22 0

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