2009MNRAS.392.1509G

Query : 2009MNRAS.392.1509G

2009MNRAS.392.1509G - Mon. Not. R. Astron. Soc., 392, 1509-1531 (2009/February-1)

The distribution of active galactic nuclei in a large sample of galaxy clusters.

GILMOUR R., BEST P. and ALMAINI O.

Abstract (from CDS):

We present an analysis of the X-ray point source populations in 182 Chandra images of galaxy clusters at z > 0.1 with exposure time >10 ks, as well as 44 non-cluster fields. The analysis of the number and flux of these sources, using a detailed pipeline to predict the distribution of non-cluster sources in each field, reveals an excess of X-ray point sources associated with the galaxy clusters. A sample of 148 galaxy clusters at 0.1 < z < 0.9, with no other nearby clusters, shows an excess of 230 cluster sources in total, an average of ∼1.5 sources per cluster. The lack of optical data for these clusters limits the physical interpretation of this result, as we cannot calculate the fraction of cluster galaxies hosting X-ray sources. However, the fluxes of the excess sources indicate that over half of them are very likely to be active galactic nuclei (AGN), and the radial distribution shows that they are quite evenly distributed over the central 1 Mpc of the cluster, with almost no sources found beyond this radius. We also use this pipeline to successfully reproduce the results of previous studies, particularly the higher density of sources in the central 0.5 Mpc of a few cluster fields, but show that these conclusions are not generally valid for this larger sample of clusters. We conclude that some of these differences may be due to the sample properties, such as the size and redshift of the clusters studied, or a lack of publications for cluster fields with no excess sources. This paper also presents the basic X-ray properties of the galaxy clusters, and in subsequent papers in this series the dependence of the AGN population on these cluster properties will be evaluated.

In addition the properties of over 9500 X-ray point sources in the fields of galaxy clusters are tabulated in a separate catalogue available online or at http://www.sc.eso.org~rgilmour.


Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

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

VizieR on-line data: <Available at CDS (J/MNRAS/392/1509): table2.dat table4.dat refs.dat>

Nomenclature: Table 4: CXOGBA JHHMMSS.s+DDMMSS N∼9500.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 208

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Number of rows : 208
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 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
2 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
3 [VV2000] J002010.7+213253 QSO 00 20 10.8192599376 +21 32 52.330648848   17.9       ~ 14 0
4 3C 9 BLL 00 20 25.2231670656 +15 40 54.774271884   17.92 17.62     ~ 347 1
5 NAME Herschel Deep Field reg 00 22 33 +00 19.6           ~ 36 0
6 1RXS J002529.8-122247 X 00 25 29.8 -12 22 47           ~ 2 0
7 ZwCl 0024+1652 ClG 00 26 35.6 +17 09 32     18.35     ~ 648 1
8 BAX 006.9575+26.2739 ClG 00 27 45.90 +26 16 25.0           ~ 44 0
9 ClG J0030+2618 ClG 00 30 33.6 +26 18 16           ~ 65 0
10 ACO 68 ClG 00 37 06.2 +09 09 33           ~ 195 0
11 ACO S 107 ClG 00 54 22 -83 52.8           ~ 3 0
12 ACO 115 ClG 00 55 59 +26 23.2           ~ 295 1
13 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 326 0
14 EDCC 586 ClG 01 41 41.15 -30 35 02.7           ~ 3 0
15 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3
16 ACO 267 ClG 01 52 43.016 +00 59 58.90           ~ 241 0
17 ClG J0159+0030 ClG 01 59 18.2 +00 30 09           ~ 36 0
18 ACT-CL J0159.8-0849 ClG 01 59 49.4 -08 50 00           ~ 98 0
19 ClG J0216-1747 ClG 02 16 32.8 -17 47 11           ~ 16 0
20 RzCS 392 ClG 02 24 04.19 -04 13 26.6           ~ 47 0
21 ClG J0230+1836 ClG 02 30 26.6 +18 36 22           ~ 22 0
22 ACT-CL J0232.2-4421 ClG 02 32 18.69 -44 20 41.5           ~ 130 0
23 ClG J0242-2132 ClG 02 42 35.9 -21 32 26           ~ 55 0
24 ACO 383 ClG 02 48 03.3915 -03 31 45.228           ~ 389 0
25 1RXS J025709.6-232549 X 02 57 09.6 -23 25 49           ~ 2 0
26 ClG J0302-0423 ClG 03 02 21.3 -04 23 29           ~ 17 0
27 ClG 0303+1658 ClG 03 05 31.6 +17 10 02     20.13     ~ 92 0
28 1RXS J032649.5-004341 X 03 26 49.5 -00 43 41           ~ 2 0
29 RX J0329.6-0211 ClG 03 29 41.6 -02 11 47           ~ 155 0
30 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 862 0
31 ClG J0333-2456 ClG 03 33 10.2 -24 56 41           ~ 17 0
32 RDCS J0337-3457 ClG 03 37 24.70 -34 57 29.0           ~ 8 0
33 ClG J0340-2823 ClG 03 40 51.6 -28 23 10           ~ 10 0
34 ClG J0350-3801 ClG 03 50 43.9 -38 01 25           ~ 14 0
35 ClG J0355-3741 ClG 03 55 59.3 -37 41 46           ~ 19 0
36 ACT-CL J0404.6+1108 ClG 04 04 37.4 +11 09 57           ~ 36 0
37 [VV2006] J041734.9-115433 QSO 04 17 34.69608 -11 54 32.1552     19.42606     ~ 12 0
38 ACT-CL J0438.9+0716 ClG 04 39 00.7 +07 15 45           ~ 62 0
39 BAX 069.7593+05.3453 ClG 04 39 02.2 +05 20 43           ~ 82 0
40 RCS J0439-2904 ClG 04 39 38.0 -29 04 55           ~ 22 0
41 ClG J0442+0202 ClG 04 42 23.70 +02 02 20.0           ~ 10 0
42 ClG 0440+02 ClG 04 43 09.7 +02 10 19     17.03     ~ 129 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 ClG J0521-2530 ClG 05 21 10.5 -25 30 36           ~ 18 0
48 ClG J0522-3624 ClG 05 22 13.8 -36 24 49           ~ 41 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 ClG J0647+7015 ClG 06 47 50.0 +70 14 55           ~ 177 0
52 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
53 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
54 B3 0714+378 Rad 07 17 36.6 +37 45 01           ~ 170 2
55 ACO 586 ClG 07 32 20.3 +31 37 58           ~ 196 0
56 3C 184 rG 07 39 24.465 +70 23 10.91   21.5       ~ 140 1
57 ZwCl 0735+7421 ClG 07 41 40.3 +74 14 58     17.70     ~ 273 0
58 ClG J0744+3927 ClG 07 44 52.5 +39 27 30           ~ 189 0
59 PKS 0745-19 rG 07 47 31.3247085936 -19 17 40.013334276   19.60       ~ 422 1
60 ClG 0745-1910 ClG 07 47 32.4 -19 18 23           ~ 378 0
61 ACO 611 ClG 08 00 58.7 +36 02 49           ~ 275 0
62 ZwCl 0806+2822 ClG 08 09 41.0 +28 11 58           ~ 27 0
63 BAX 124.9136+63.6101 ClG 08 19 26.0 +63 37 26           ~ 21 0
64 BAX 125.2599+07.8631 ClG 08 21 02.4 +07 51 47           ~ 72 1
65 [VV2006] J082139.1+121729 QSO 08 21 38.9423240760 +12 17 29.991158088   19.23 18.99     ~ 53 1
66 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
67 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
68 4C 55.16 Bla 08 34 54.90398776 +55 34 21.0703409   20.75 19.45 17.180   ~ 297 2
69 LEDA 139129 Sy1 08 42 55.9476126816 +29 27 26.962433640   20.24 19.39     ~ 27 1
70 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
71 ZwCl 0847+3617 ClG 08 50 12.0 +36 03 36           ~ 75 0
72 ZwCl 0848+3341 ClG 08 51 39.00 +33 31 08.0           ~ 24 0
73 ClG J0853+5759 ClG 08 53 13.4 +57 59 44           ~ 27 0
74 3C 210 rG 08 58 10.02632 +27 50 53.8843   22       ~ 104 1
75 ClG 0906.5+1110 ClG 09 09 12.7 +10 58 32           ~ 108 0
76 ClG J0910+5422 ClG 09 10 44.9 +54 22 09           ~ 94 0
77 QSO J0913+5919 QSO 09 13 16.551 +59 19 21.68   24.96 23.32 24.948   ~ 65 0
78 RXC J0913.7+4056 ClG 09 13 46.0 +40 56 20           ~ 71 0
79 QSO B0910+564 QSO 09 14 39.3579390480 +56 13 20.367548796   20.95 20.87     ~ 34 1
80 CXOU J091554.4+293316 X 09 15 54.4 +29 33 16           ~ 7 0
81 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 308 0
82 ClG J0926+1242 ClG 09 26 36.6 +12 42 59           ~ 43 0
83 ClG J0947+7623 ClG 09 46 59.916 +76 23 43.99           ~ 165 0
84 NVSS J094712+762312 Rad 09 47 12.37 +76 23 09.3           ~ 151 1
85 ZwCl 0947+1723 ClG 09 49 51.8 +17 07 05           ~ 92 0
86 ZwCl 0949+5207 ClG 09 52 49.1 +51 53 05           ~ 141 0
87 QSO B0952-0115 QSO 09 55 00.1037541106 -01 30 06.549307797     18.7     ~ 150 0
88 ClG J0956+4107 ClG 09 56 03.4 +41 07 14           ~ 44 0
89 ClG J0958+4702 ClG 09 58 19.3 +47 02 00   22       ~ 21 0
90 ACO 907 ClG 09 58 21.84 -11 03 47.5           ~ 137 0
91 ClG J1002+6858 ClG 10 02 07.7 +68 58 48           ~ 19 0
92 QSO B1000+4751 QSO 10 03 52.8479755584 +47 36 53.404376652   20.08 19.86     ~ 30 0
93 RX J1006.9+3200 X 10 06 55.7 +32 00 57           ~ 3 0
94 ZwCl 1006+1201 ClG 10 08 47.1 +11 47 55     18.0     ~ 75 0
95 ClG 1008-12 ClG 10 10 34.1 -12 39 48     18.0     ~ 155 0
96 ACO 963 ClG 10 17 03.4 +39 02 56           ~ 414 0
97 ZwCl 1021+0426 ClG 10 23 39.0 +04 11 14   15.6 17.95     ~ 297 0
98 QSO B1035+4747 QSO 10 38 08.2455249408 +47 31 35.254801416   19.82 19.60     ~ 33 0
99 ACO 1068 ClG 10 40 47.1 +39 57 19           ~ 232 0
100 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 458 0
101 RX J1108.8+0906 X 11 08 54.0 +09 06 06           ~ 3 0
102 ACO 1201 ClG 11 12 54.4 +13 26 08           ~ 131 1
103 ClG J1113-2615 ClG 11 13 05.7 -26 15 36           ~ 37 0
104 ACO 1204 ClG 11 13 32.2 +17 35 40           ~ 101 0
105 ClG J1115+5319 ClG 11 15 14.8 +53 19 54           ~ 56 0
106 ZwCl 1113+0144 ClG 11 15 54.0 +01 29 44           ~ 42 0
107 ClG J1120+4318 ClG 11 20 07.6 +43 18 07           ~ 65 0
108 ClG J1120+2326 ClG 11 20 57.9 +23 26 41           ~ 42 0
109 ACO 1240 ClG 11 23 37.7 +43 03 28           ~ 113 0
110 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 168 0
111 ClG 1137+66 ClG 11 40 23.0 +66 08 16     21.0     ~ 141 0
112 PKS J1140-2628 rG 11 40 48.35884 -26 29 08.6316     22.00     ~ 325 1
113 ACO 1361 ClG 11 43 45.85 +46 20 51.8           ~ 96 0
114 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 546 0
115 ACO 1413 ClG 11 55 12.87 +23 23 46.9           ~ 456 0
116 ACO 1446 ClG 12 01 54.77 +58 01 40.7           ~ 104 1
117 ClG J1205+4429 GrG 12 05 52.3 +44 29 22           ~ 24 0
118 MCS J1206.2-0847 ClG 12 06 12.2 -08 48 02           ~ 286 0
119 QSO B1208+101 QSO 12 10 57.0369007056 +09 54 27.069784092     17.5     ~ 113 1
120 2MASS J12132311-2618075 BLL 12 13 23.1258631512 -26 18 07.803817092   17.8 19.0 17.6   ~ 47 1
121 ClG J1213+0253 ClG 12 13 34.4 +02 53 57           ~ 34 0
122 ClG J1216+2633 ClG 12 16 19.8 +26 33 21           ~ 19 0
123 ClG J1221+4918 ClG 12 21 25.0 +49 18 07           ~ 60 0
124 SDSSCGB 65816 CGG 12 22 01.9 +27 09 19           ~ 18 0
125 ClG J1226+3332 ClG 12 26 57.7 +33 32 50           ~ 228 0
126 ZwCl 1231+1007 ClG 12 34 21.9 +09 47 02           ~ 72 0
127 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1967 1
128 ClG J1252-2927 ClG 12 52 54.4 -29 27 17           ~ 158 0
129 2XMM J125602.2+255636 GrG 12 56 04.9 +25 56 52           ~ 34 0
130 7C 125441.29+473632.00 SyG 12 56 57.485 +47 20 20.23   22.0       ~ 285 1
131 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
132 [VV2006] J130216.2+003031 QSO 13 02 16.1351008824 +00 30 32.144356404   23.63 22.10     ~ 41 0
133 ACO 3541 ClG 13 03 41.8 -24 15 06           ~ 26 0
134 ACO 1682 ClG 13 06 49.7 +46 32 59           ~ 149 1
135 ClG J1311-0311 ClG 13 11 01.7 -03 10 38           ~ 120 0
136 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
137 ClG J1312+3900 ClG 13 12 19.4 +39 00 58           ~ 18 0
138 ClG J1317+2911 ClG 13 17 21.70 +29 11 18.1           ~ 33 0
139 RX J1320.0+7003 X 13 19 59.7 +70 03 34           ~ 3 0
140 ACO 1758 ClG 13 32 32.1 +50 30 37           ~ 266 2
141 ZwCl 1332+5043 ClG 13 34 20.0 +50 30 54           ~ 42 0
142 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 335 0
143 NAME RX J1340.6+4018 Group ClG 13 40 33.5 +40 17 46           ~ 30 1
144 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
145 ClG J1350+6007 ClG 13 50 48.55 +60 07 06.7           ~ 46 0
146 ClG J1354-0221 ClG 13 54 17.00 -02 22 13.1           ~ 52 0
147 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 370 0
148 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 727 1
149 3C 294 rG 14 06 44.317 +34 11 30.19           ~ 234 1
150 3C 295 Sy1 14 11 20.6 +52 12 09   22.34 20.80 18.54   ~ 1021 4
151 ClG J1415+3611 ClG 14 15 11.1 +36 12 03           ~ 85 1
152 [VMF98] 158 ClG 14 16 28.1 +44 46 38           ~ 50 0
153 NAME Groth-Westphal Strip reg 14 17 43.600 +52 28 41.20           ~ 40 0
154 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0
155 ClG J1423+2404 ClG 14 23 47.7 +24 04 40           ~ 231 0
156 ACO 1914 ClG 14 25 57.4 +37 49 54           ~ 338 0
157 ACO 1942 ClG 14 38 21.8673 +03 40 13.247           ~ 122 0
158 [VV2006] J144231.7+011055 QSO 14 42 31.7221836498 +01 10 55.413109732   23.45 22.04     ~ 38 0
159 ZwCl 1455+2232 ClG 14 57 15.2 +22 20 30     18.62 20.04   ~ 309 0
160 [VV2006] J150407.5-024816 Bla 15 04 07.51896914 -02 48 16.6232484   18.53 18.08     ~ 60 2
161 QSO B1508+572 QSO 15 10 02.92237321 +57 02 43.3759220   22.73 21.38 19.23   ~ 223 1
162 ACO 2034 ClG 15 10 03.9 +33 30 57           ~ 248 1
163 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 165 0
164 ClG J1532+3021 ClG 15 32 53.8 +30 21 00           ~ 122 0
165 ACO 2111 ClG 15 39 40.9 +34 25 04           ~ 188 0
166 ACO 2104 ClG 15 40 06.8 -03 17 39           ~ 113 0
167 3C 324.0 Sy1 15 49 49.170 +21 25 39.50   21.5       ~ 312 1
168 BAX 238.0513+20.2292 ClG 15 52 12.3 +20 13 42           ~ 48 0
169 ELAIS N1 reg 16 10 01 +54 30.6           ~ 489 0
170 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
171 ClG J1621+3810 ClG 16 21 25.5 +38 09 43           ~ 83 0
172 ClG 1621+26 ClG 16 23 35.7 +26 33 50           ~ 145 0
173 4C 15.55 QSO 16 25 14.28427 +15 45 22.5620   20.80 19.99     ~ 28 1
174 ACO 2204 ClG 16 32 47.7 +05 34 18           ~ 457 0
175 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
176 ELAIS N2 reg 16 36 48.0 +41 01 45           ~ 168 0
177 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 381 0
178 MCG+01-43-006 SyG 16 51 07.9886687784 +04 59 35.547131472     18.25     ~ 502 1
179 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
180 ClG J1716+6708 ClG 17 16 49.6 +67 08 30           ~ 137 0
181 ACO 2259 ClG 17 20 09.2 +27 40 09           ~ 131 0
182 ClG J1720+2638 ClG 17 20 09.6 +26 37 35           ~ 284 0
183 ClG J1720+3536 ClG 17 20 16.8 +35 36 27           ~ 150 1
184 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
185 ACO 2294 ClG 17 24 10.1 +85 53 09           ~ 69 0
186 MCS J1824.3+4309 ClG 18 24 19.0 +43 09 49           ~ 19 0
187 ACT-CL J2011.4-5724 ClG 20 11 26.8 -57 25 09           ~ 48 0
188 ClG 2053-04 ClG 20 56 21.2 -04 37 46   21.0       ~ 168 0
189 ClG J2129-0741 ClG 21 29 26.0 -07 41 28           ~ 189 0
190 ClG J2129+0005 ClG 21 29 40.5 +00 05 47           ~ 308 0
191 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 390 0
192 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 732 2
193 ACO 2409 ClG 22 00 52.7 +20 58 27           ~ 101 0
194 ACT-CL J2211.7-0349 ClG 22 11 44.8 -03 49 33           ~ 96 0
195 ACT-CL J2214.9-1359 ClG 22 14 57.3 -14 00 12           ~ 100 0
196 BAX 337.1433+20.6131 ClG 22 28 32.6 +20 37 08           ~ 132 0
197 ClG J2229-2756 ClG 22 29 45.36 -27 55 36.5           ~ 50 0
198 ClG J2243-0935 ClG 22 43 21.1 -09 35 43           ~ 96 0
199 MCS J2245.0+2637 ClG 22 45 04.5 +26 38 07           ~ 40 0
200 BAX 341.8712+03.6203 ClG 22 47 29.5 +03 37 08           ~ 27 1
201 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 395 0
202 1RXS J225146.9-320614 BLL 22 51 47.5594856352 -32 06 12.723850044     20.00 18.7   ~ 46 0
203 ACO S 1077 ClG 22 58 52.34 -34 46 54.6           ~ 198 0
204 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 152 0
205 ACO 2550 ClG 23 11 33.5 -21 44 41           ~ 32 0
206 ACO 2631 ClG 23 37 40.7 +00 16 35           ~ 183 0
207 ACO 2667 ClG 23 51 39.37 -26 05 02.7           ~ 190 0
208 NAME Lockman Hole Northwest reg ~ ~           ~ 14 0

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