2017ApJ...841...71G

Query : 2017ApJ...841...71G

2017ApJ...841...71G - Astrophys. J., 841, 71-71 (2017/June-1)

Occurrence of radio minihalos in a mass-limited sample of galaxy clusters.

GIACINTUCCI S., MARKEVITCH M., CASSANO R., VENTURI T., CLARKE T.E. and BRUNETTI G.

Abstract (from CDS):

We investigate the occurrence of radio minihalos-diffuse radio sources of unknown origin observed in the cores of some galaxy clusters-in a statistical sample of 58 clusters drawn from the Planck Sunyaev-Zel'dovich cluster catalog using a mass cut (M500 > 6 x 1014 M☉). We supplement our statistical sample with a similarly sized nonstatistical sample mostly consisting of clusters in the ACCEPT X-ray catalog with suitable X-ray and radio data, which includes lower-mass clusters. Where necessary (for nine clusters), we reanalyzed the Very Large Array archival radio data to determine whether a minihalo is present. Our total sample includes all 28 currently known and recently discovered radio minihalos, including six candidates. We classify clusters as cool-core or non-cool-core according to the value of the specific entropy floor in the cluster center, rederived or newly derived from the Chandra X-ray density and temperature profiles where necessary (for 27 clusters). Contrary to the common wisdom that minihalos are rare, we find that almost all cool cores-at least 12 out of 15 (80%)-in our complete sample of massive clusters exhibit minihalos. The supplementary sample shows that the occurrence of minihalos may be lower in lower-mass cool-core clusters. No minihalos are found in non-cool cores or "warm cores." These findings will help test theories of the origin of minihalos and provide information on the physical processes and energetics of the cluster cores.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): catalogs - galaxies: clusters: general - radio continuum: galaxies - surveys - X-rays: galaxies: clusters - X-rays: galaxies: clusters

CDS comments: Paragr. A.1: C153 is [OKL2005] 47 in SIMBAD.

Simbad objects: 130

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Number of rows : 130
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 ACO 2697 ClG 00 03 11.5 -06 05 30           ~ 47 0
2 ACO 4 ClG 00 09 20.6 +06 49 23           ~ 11 0
3 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 813 0
4 ACO 24 ClG 00 22 30 +23 17.6           ~ 24 0
5 ACO 56 ClG 00 33 53.1 -07 52 10           ~ 27 0
6 ACT-CL J0034.5+0225 ClG 00 34 28.1 +02 25 22           ~ 16 0
7 ACO 68 ClG 00 37 06.2 +09 09 33           ~ 186 0
8 ACO 2813 ClG 00 43 32.377 -20 35 23.51           ~ 96 0
9 ACO 115 ClG 00 55 59.5 +26 19 14           ~ 270 1
10 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 555 2
11 ACO 127 ClG 01 00.0 -23 31           ~ 5 0
12 ACO 141 ClG 01 05 37.183 -24 40 49.95           ~ 79 0
13 ZwCl 0104+0048 ClG 01 06 50.5 +01 04 10           ~ 61 0
14 ACO 2895 ClG 01 18 04.48 -27 00 13.4           ~ 42 0
15 ACO 193 ClG 01 25 07.3 +08 41 36           ~ 186 0
16 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 295 0
17 ACO 220 ClG 01 37 19.5747 +07 52 21.970           ~ 17 0
18 ClG J0142+2131 ClG 01 42 03.1 +21 30 39           ~ 56 1
19 ACO 267 ClG 01 52 43.016 +00 59 58.90           ~ 230 0
20 ACT-CL J0159.8-0849 ClG 01 59 49.4 -08 50 00           ~ 85 0
21 ACO 3041 ClG 02 41 23.03 -28 38 48.9           ~ 25 0
22 ACT-CL J0246.4-2033 ClG 02 46 24.9 -20 33 27           ~ 19 0
23 ACO 383 ClG 02 48 03.3915 -03 31 45.228           ~ 359 0
24 ACO 384 ClG 02 48 08.3 -02 16 37           ~ 27 0
25 ACO 402 ClG 02 57 41.33 -22 09 14.4           ~ 49 0
26 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 396 0
27 ACO 401 ClG 02 58 56.9 +13 34 56           ~ 566 0
28 ACO 3088 ClG 03 07 02.12 -28 39 57.3           ~ 70 0
29 PLCKESZ G171.9-40.7 ClG 03 12 55 +08 22.8           ~ 48 0
30 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2258 1
31 ClG J0329-0212 ClG 03 29 41.6 -02 11 47           ~ 142 0
32 ZwCl 0335+0956 ClG 03 38 35.3 +09 57 54           ~ 383 1
33 ACO 478 ClG 04 13 20.7 +10 28 35           ~ 502 0
34 ACT-CL J0417.5-1154 ClG 04 17 34.6 -11 54 32           ~ 87 0
35 ClG J0429-0253 ClG 04 29 36.0 -02 53 09           ~ 123 0
36 ACT-CL J0438.9+0716 ClG 04 39 00.7 +07 15 45           ~ 58 0
37 ClG 0440+02 ClG 04 43 09.7 +02 10 19     17.03     ~ 125 0
38 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 249 0
39 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 436 0
40 ACT-CL J0510.7-0801 ClG 05 10 43.85 -08 01 13.0           ~ 29 0
41 ACT-CL J0520.7-1328 ClG 05 20 42.0 -13 28 49           ~ 34 0
42 PSZ1 G139.61+24.20 ClG 06 22 13.9 +74 41 39           ~ 26 0
43 PSZ1 G172.93+21.31 ClG 07 07 46.3096 +44 19 54.342           ~ 12 0
44 ACO 611 ClG 08 00 58.7 +36 02 49           ~ 258 0
45 PSZ1 G169.64+33.84 ClG 08 16 45.9 +49 32 58           ~ 11 0
46 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 437 0
47 ZwCl 0839+2937 ClG 08 42 55.9 +29 27 52     17.0     ~ 86 0
48 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 253 0
49 ZwCl 0857+2107 ClG 09 00 36.90 +20 53 40.3           ~ 93 0
50 ACO 754 ClG 09 09 08.4 -09 39 58           ~ 666 1
51 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 295 0
52 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 153 0
53 ClG J0947+7623 ClG 09 46 59.916 +76 23 43.99           ~ 150 0
54 NVSS J094712+762312 Rad 09 47 12.5 +76 23 12           ~ 151 1
55 ZwCl 0949+5207 ClG 09 52 49.1 +51 53 05           ~ 135 0
56 ACO 907 ClG 09 58 21.84 -11 03 47.5           ~ 129 0
57 ZwCl 1021+0426 ClG 10 23 39.0 +04 11 14   15.6 17.95     ~ 283 0
58 ACO 3444 ClG 10 23 53.1540 -27 15 07.840           ~ 87 0
59 ZwCl 1028+1419 ClG 10 31 20.4 +14 05 34           ~ 13 0
60 ACO 1068 ClG 10 40 47.1 +39 57 19           ~ 214 0
61 ACO 1132 ClG 10 58 32.05 +56 47 14.2           ~ 129 1
62 ACO 1204 ClG 11 13 32.2 +17 35 40           ~ 94 0
63 ZwCl 1113+0144 ClG 11 15 54.0 +01 29 44           ~ 37 0
64 ACO 1240 ClG 11 23 37.7 +43 03 28           ~ 98 0
65 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 151 0
66 ACO 1351 ClG 11 42 24.7795 +58 32 05.558           ~ 79 0
67 ACO 1413 ClG 11 55 12.87 +23 23 46.9           ~ 430 0
68 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 168 0
69 ACO 1443 ClG 12 01 12.1 +23 05 57           ~ 44 0
70 ACO 1451 ClG 12 03 17.3 -21 32 05           ~ 45 0
71 ZwCl 1231+1007 ClG 12 34 21.9 +09 47 02           ~ 66 0
72 ACO 1576 ClG 12 36 59.5 +63 11 18           ~ 108 0
73 ACT-CL J1254.0+0701 ClG 12 54 01.1 +07 01 44           ~ 8 0
74 ACO 1650 ClG 12 58 42.0 -01 45 45           ~ 304 0
75 ACO 1682 ClG 13 06 49.7 +46 32 59           ~ 141 1
76 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1125 0
77 BAX 199.3086-25.5133 ClG 13 14 25.4 -25 15 44           ~ 102 0
78 GHO 132029+315500 ClG 13 22 52.3 +31 38 45           ~ 35 0
79 ACO 1733 ClG 13 26 08.78 +02 12 25.7           ~ 8 0
80 ZwCl 1324+0229 ClG 13 27 01.0 +02 12 19           ~ 24 0
81 ACO 1758 ClG 13 32 32.1 +50 30 37           ~ 251 2
82 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 312 0
83 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 548 0
84 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1267 0
85 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 689 1
86 ACO 1914 ClG 14 26 03.32 +37 49 58.7           ~ 314 0
87 ACO 1995 ClG 14 52 55.0 +58 02 59           ~ 130 0
88 ZwCl 1455+2232 ClG 14 57 15.2 +22 20 30     18.62 20.04   ~ 294 0
89 ACO S 780 ClG 14 59 29.1 -18 10 45           ~ 82 0
90 ClG J1504-0248 ClG 15 04 07.4 -02 48 15           ~ 175 0
91 ACO 2034 ClG 15 10 12.96 +33 29 53.2           ~ 215 1
92 ACO 2029 ClG 15 10 56.2 +05 44 42           ~ 943 0
93 2MASX J15150305-1521537 ClG 15 14.9 -15 23           ~ 46 0
94 LEDA 1900245 Bla 15 32 53.780 +30 20 59.41   19.1   15.7 17.819 ~ 145 0
95 ACO 2111 ClG 15 39 40.9 +34 25 04           ~ 180 0
96 [RS2005] ACO 2125 481 GiC 15 41 09.74 +66 15 45.0           ~ 23 0
97 ACO 2125 ClG 15 41 14.1 +66 15 57           ~ 122 1
98 ACO 2142 ClG 15 58 14.38 +27 12 57.8           ~ 768 0
99 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 563 0
100 ACO 2204 ClG 16 32 45.7 +05 34 43           ~ 436 0
101 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 809 1
102 ACT-CL J1636.4+0308 ClG 16 36 29.80 +03 08 37.5           ~ 13 0
103 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 359 0
104 ACO 2256 ClG 17 03 09.4 +78 39 36           ~ 885 1
105 NAME Oph Cluster ClG 17 12 24.7 -23 21 01           ~ 273 0
106 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 568 0
107 ClG J1720+2638 ClG 17 20 09.6 +26 37 35           ~ 255 0
108 ClG J1720+3536 ClG 17 20 16.8 +35 36 27           ~ 141 1
109 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 342 0
110 ZwCl 1742+3306 ClG 17 44 16.2753 +32 59 55.115           ~ 80 0
111 ClG 1821+64 ClG 18 21 56.7276 +64 20 55.841           ~ 504 1
112 ACO 2319 ClG 19 20 45.3 +43 57 43           ~ 461 1
113 ClG J1931-2635 ClG 19 31 49.6 -26 34 33           ~ 161 0
114 ACT-CL J2003.5-2323 ClG 20 03 32.3 -23 23 30           ~ 59 0
115 ACT-CL J2051.1+0215 ClG 20 51 12.20 +02 15 58.3           ~ 20 0
116 ClG J2129+0005 ClG 21 29 40.5 +00 05 47           ~ 271 0
117 ClG J2135-0102 ClG 21 35 12.00 -01 03 00.1           ~ 61 0
118 ACO 2355 ClG 21 35 18.70 +01 25 27.0           ~ 63 0
119 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 688 2
120 ACO 2420 ClG 22 10 22.5 -12 11 13           ~ 114 0
121 BAX 337.1433+20.6131 ClG 22 28 32.6 +20 37 08           ~ 117 0
122 ACO 2472 ClG 22 41 58.0 +17 33 03           ~ 25 0
123 MCS J2245.0+2637 ClG 22 45 04.5 +26 38 07           ~ 36 0
124 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 137 0
125 ACO 2552 ClG 23 11 31.7 +03 37 44           ~ 78 0
126 ACO 2556 ClG 23 13 03.3 -21 37 40           ~ 79 0
127 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 247 0
128 ACO 2631 ClG 23 37 40.7 +00 16 35           ~ 171 0
129 ACT-CL J2344.7-4243 ClG 23 44 43.9 -42 43 11           ~ 190 0
130 ACO 2667 ClG 23 51 39.37 -26 05 02.7           ~ 175 0

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