2015MNRAS.446.2709E

Query : 2015MNRAS.446.2709E

2015MNRAS.446.2709E - Mon. Not. R. Astron. Soc., 446, 2709-2729 (2015/January-3)

X-ray bright active galactic nuclei in massive galaxy clusters - III. New insights into the triggering mechanisms of cluster AGN.

EHLERT S., ALLEN S.W., BRANDT W.N., CANNING R.E.A., LUO B., MANTZ A., MORRIS R.G., VON DER LINDEN A. and XUE Y.Q.

Abstract (from CDS):

We present the results of a new analysis of the X-ray selected active galactic nuclei (AGN) population residing in and behind 135 of the most massive galaxy clusters in the redshift range of 0.2 < z < 0.9 observed with Chandra. With a sample of more than 11 000 X-ray point sources, we are able to measure, for the first time, evidence for evolution in the cluster AGN population beyond the expected evolution of field AGN. Our analysis shows that overall number density of cluster AGN scales with the cluster mass as ∼ M500- 1.2. There is no evidence for the overall number density of cluster member X-ray AGN depending on the cluster redshift in a manner different than field AGN, nor is there any evidence that the spatial distribution of cluster AGN (given in units of the cluster overdensity radius r500) strongly depends on the cluster mass or redshift. The M-1.2±0.7 scaling relation we measure is consistent with theoretical predictions of the galaxy merger rate in clusters, which is expected to scale with the cluster velocity dispersion, σ, as ∼ σ-3 or ∼ M-1. This consistency suggests that galaxy mergers may be an important contributor to the cluster AGN population, a result that is further corroborated by visual inspection of Hubble images for 23 spectroscopically confirmed cluster member AGN in our sample. A merger-driven scenario for the triggering of X-ray AGN is not strongly favoured by studies of field galaxies, however, suggesting that different mechanisms may be primarily responsible for the triggering of cluster and field X-ray AGN.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

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

VizieR on-line data: <Available at CDS (J/MNRAS/446/2709): table1.dat>

Simbad objects: 140

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Number of rows : 140
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 ACT-CL J0011.7-1523 ClG 00 11 42.9 -15 23 22           ~ 39 0
2 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
3 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
4 MCS J0025.4-1222 ClG 00 25 29.381 -12 22 37.06           ~ 151 0
5 BAX 006.9575+26.2739 ClG 00 27 45.90 +26 16 25.0           ~ 44 0
6 ClG J0030+2618 ClG 00 30 33.6 +26 18 16           ~ 65 0
7 ACT-CL J0035.4-2015 ClG 00 35 26.5 -20 15 46           ~ 52 0
8 ACO 68 ClG 00 37 06.2 +09 09 33           ~ 195 0
9 ACO 2813 ClG 00 43 22.8 -20 37 21           ~ 111 0
10 MCS J0111.5+0855 ClG 01 11 31.4 +08 55 41           ~ 15 0
11 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 326 0
12 ACT-CL J0140.0-0554 ClG 01 40 00.823 -05 55 02.75           ~ 30 0
13 ClG J0141-3034 ClG 01 41 32.3 -30 34 42           ~ 11 1
14 ACT-CL J0152.5-2853 ClG 01 52 32.8 -28 53 32           ~ 34 0
15 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3
16 ACT-CL J0159.0-3413 ClG 01 59 00.3 -34 13 00           ~ 33 0
17 ACT-CL J0159.8-0849 ClG 01 59 49.4 -08 50 00           ~ 98 0
18 ClG J0216-1747 ClG 02 16 32.8 -17 47 11           ~ 16 0
19 ACT-CL J0220.9-3828 ClG 02 20 56.8 -38 29 02           ~ 29 0
20 ACT-CL J0232.2-4421 ClG 02 32 18.69 -44 20 41.5           ~ 130 0
21 ACO 368 ClG 02 37 24.65 -26 30 01.8           ~ 33 0
22 ClG J0242-2132 ClG 02 42 35.9 -21 32 26           ~ 55 0
23 ACT-CL J0257.1-2325 ClG 02 57 09.151 -23 26 05.83           ~ 80 0
24 ACO 402 ClG 02 57 41.33 -22 09 14.4           ~ 62 0
25 ClG J0302-0423 ClG 03 02 21.3 -04 23 29           ~ 17 0
26 ACO 3084 ClG 03 04 03.950 -36 56 27.16           ~ 35 0
27 ACO 3088 ClG 03 07 02.12 -28 39 57.3           ~ 78 0
28 MCS J0308.9+2645 ClG 03 08 55.9 +26 45 38           ~ 48 0
29 ClG J0318-0302 ClG 03 18 16.61 -03 01 59.4           ~ 27 0
30 MCS J0326.8-0043 ClG 03 26 49.0 -00 43 41           ~ 10 0
31 ClG J0328-2140 ClG 03 28 36.1 -21 40 04           ~ 23 0
32 RX J0329.6-0211 ClG 03 29 41.6 -02 11 47           ~ 155 0
33 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
34 ClG J0333-2456 ClG 03 33 10.2 -24 56 41           ~ 17 0
35 ClG J0355-3741 ClG 03 55 59.3 -37 41 46           ~ 19 0
36 ACO 3192 ClG 03 58 54.045 -29 55 31.41           ~ 58 0
37 ACT-CL J0404.6+1108 ClG 04 04 37.4 +11 09 57           ~ 36 0
38 ClG J0405-4100 ClG 04 05 24.3 -41 00 15           ~ 17 0
39 ACT-CL J0417.5-1154 ClG 04 17 34.6 -11 54 32           ~ 116 0
40 ClG J0429-0253 ClG 04 29 36.0 -02 53 09           ~ 131 0
41 ACT-CL J0438.9+0716 ClG 04 39 00.7 +07 15 45           ~ 62 0
42 BAX 069.7593+05.3453 ClG 04 39 02.2 +05 20 43           ~ 82 0
43 ClG J0451+0006 ClG 04 51 54.6 +00 06 19           ~ 57 0
44 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
45 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
46 ClG 0451-03 ClG 04 54 10.9 -03 01 07     20.0     ~ 368 0
47 MCS J0455.2+0657 ClG 04 55 17.4 +06 57 47           ~ 11 0
48 ACT-CL J0520.7-1328 ClG 05 20 42.0 -13 28 49           ~ 39 0
49 ACT-CL J0528.8-3927 ClG 05 28 56.2 -39 27 49           ~ 78 0
50 ClG J0542-4100 ClG 05 42 49.9 -40 59 58           ~ 67 0
51 ACT-CL J0546.9-3904 ClG 05 47 01.5 -39 04 28           ~ 37 0
52 ACT-CL J0553.4-3342 ClG 05 53 27.200 -33 42 53.02           ~ 74 0
53 ACO S 592 ClG 06 38 49.40 -53 58 40.8           ~ 75 0
54 ClG J0647+7015 ClG 06 47 50.0 +70 14 55           ~ 177 0
55 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
56 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
57 B3 0714+378 Rad 07 17 36.6 +37 45 01           ~ 170 2
58 ClG J0744+3927 ClG 07 44 52.5 +39 27 30           ~ 189 0
59 ZwCl 0806+2822 ClG 08 09 41.0 +28 11 58           ~ 27 0
60 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
61 ZwCl 0847+3617 ClG 08 50 12.0 +36 03 36           ~ 75 0
62 ZwCl 0857+2107 ClG 09 00 36.90 +20 53 40.3           ~ 103 0
63 ACT-CL J0911.1+1746 ClG 09 11 11.277 +17 46 31.94           ~ 79 0
64 RXC J0913.7+4056 ClG 09 13 46.0 +40 56 20           ~ 71 0
65 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 308 0
66 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 167 0
67 ClG J0947+7623 ClG 09 46 59.916 +76 23 43.99           ~ 165 0
68 NVSS J094712+762312 Rad 09 47 12.37 +76 23 09.3           ~ 151 1
69 ZwCl 0947+1723 ClG 09 49 51.8 +17 07 05           ~ 92 0
70 ZwCl 0949+5207 ClG 09 52 49.1 +51 53 05           ~ 141 0
71 ClG J0956+4107 ClG 09 56 03.4 +41 07 14           ~ 44 0
72 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
73 ClG J1002+6858 ClG 10 02 07.7 +68 58 48           ~ 19 0
74 ClG J1003+3253 ClG 10 03 04.1 +32 54 28           ~ 34 0
75 MCS J1006.9+3200 ClG 10 06 55.7 +31 59 34           ~ 23 0
76 ACO 963 ClG 10 17 03.4 +39 02 56           ~ 414 0
77 ZwCl 1021+0426 ClG 10 23 39.0 +04 11 14   15.6 17.95     ~ 297 0
78 MCS J1105.7-1014 ClG 11 05 46.4 -10 14 37           ~ 9 0
79 ACT-CL J1108.9+0906 ClG 11 08 55.3 +09 06 01           ~ 23 0
80 ClG J1115+5319 ClG 11 15 14.8 +53 19 54           ~ 56 0
81 MCS J1115.8+0129 ClG 11 15 52.1 +01 29 53           ~ 142 0
82 ClG J1120+4318 ClG 11 20 07.6 +43 18 07           ~ 65 0
83 ClG J1120+2326 ClG 11 20 57.9 +23 26 41           ~ 42 0
84 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 168 0
85 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 546 0
86 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 181 0
87 ClG J1202+5751 ClG 12 02 13.7 +57 51 53           ~ 16 0
88 MCS J1206.2-0847 ClG 12 06 12.2 -08 48 02           ~ 286 0
89 ACO 1489 ClG 12 12 19.2 +27 33 14           ~ 52 0
90 ClG J1221+4918 ClG 12 21 25.0 +49 18 07           ~ 60 0
91 MCS J1226.8+2153 ClG 12 26 51.69 +21 52 25.4           ~ 33 0
92 ClG J1226+3332 ClG 12 26 57.7 +33 32 50           ~ 228 0
93 ZwCl 1231+1007 ClG 12 34 21.9 +09 47 02           ~ 72 0
94 ACO 1682 ClG 13 06 49.7 +46 32 59           ~ 149 1
95 ClG J1311-0311 ClG 13 11 01.7 -03 10 38           ~ 120 0
96 ACO 1722 ClG 13 20 08.3 +70 04 33           ~ 63 0
97 ClG J1334+5031 ClG 13 34.0 +50 31           ~ 9 0
98 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 335 0
99 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
100 ClG J1357+6232 ClG 13 57 19.4 +62 32 42           ~ 21 0
101 MCS J1359.1-1929 ClG 13 59 09.0 -19 29 07           ~ 13 0
102 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 370 0
103 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 727 1
104 ClG J1411+5211 ClG 14 11 24.4 +52 12 38     20.11     ~ 122 3
105 [VMF98] 158 ClG 14 16 28.1 +44 46 38           ~ 50 0
106 ClG J1423+2404 ClG 14 23 47.7 +24 04 40           ~ 231 0
107 MCS J1427.3+4408 ClG 14 27 16.2 +44 07 31           ~ 34 0
108 MCS J1427.6-2521 ClG 14 27 39.4 -25 21 02           ~ 27 0
109 NAME NOAO Deep Wide Field reg 14 32 05.75 +34 16 47.5           ~ 430 0
110 ACO 1995 ClG 14 52 55.0 +58 02 59           ~ 140 0
111 ZwCl 1455+2232 ClG 14 57 15.2 +22 20 30     18.62 20.04   ~ 309 0
112 ClG J1504-0248 ClG 15 04 07.4 -02 48 15           ~ 186 0
113 ClG J1524+0957 ClG 15 24 40.3 +09 57 35           ~ 64 0
114 LEDA 1900245 Bla 15 32 53.780 +30 20 59.41   19.1   15.7 17.819 ~ 155 1
115 ACO 2111 ClG 15 39 40.9 +34 25 04           ~ 188 0
116 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
117 ClG J1621+3810 ClG 16 21 25.5 +38 09 43           ~ 83 0
118 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 381 0
119 ClG J1641+4001 ClG 16 41 52.3 +40 01 29           ~ 43 0
120 ClG J1701+6414 ClG 17 01 22.6 +64 14 09           ~ 78 0
121 ClG J1720+3536 ClG 17 20 16.8 +35 36 27           ~ 150 1
122 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
123 MCS J1731.6+2252 ClG 17 31 39.2 +22 51 50           ~ 48 0
124 ClG J1931-2635 ClG 19 31 49.6 -26 34 33           ~ 181 0
125 ACT-CL J2011.4-5724 ClG 20 11 26.8 -57 25 09           ~ 48 0
126 ACT-CL J2046.0-3430 ClG 20 46 00.1 -34 30 12           ~ 24 0
127 ACT-CL J2049.9-3217 ClG 20 49 56.2 -32 16 52           ~ 22 0
128 ClG J2129-0741 ClG 21 29 26.0 -07 41 28           ~ 189 0
129 ClG J2129+0005 ClG 21 29 40.5 +00 05 47           ~ 308 0
130 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 390 0
131 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 732 2
132 ACT-CL J2211.7-0349 ClG 22 11 44.8 -03 49 33           ~ 96 0
133 ACT-CL J2214.9-1359 ClG 22 14 57.3 -14 00 12           ~ 100 0
134 BAX 337.1433+20.6131 ClG 22 28 32.6 +20 37 08           ~ 132 0
135 ClG J2229-2756 ClG 22 29 45.36 -27 55 36.5           ~ 50 0
136 ClG J2243-0935 ClG 22 43 21.1 -09 35 43           ~ 96 0
137 MCS J2245.0+2637 ClG 22 45 04.5 +26 38 07           ~ 40 0
138 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 152 0
139 ACO 2552 ClG 23 11 31.7 +03 37 44           ~ 87 0
140 ACO 2667 ClG 23 51 39.37 -26 05 02.7           ~ 190 0

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