2019MNRAS.487.4775B

Query : 2019MNRAS.487.4775B

2019MNRAS.487.4775B - Mon. Not. R. Astron. Soc., 487, 4775-4789 (2019/August-3)

A massive cluster at z = 0.288 caught in the process of formation: The case of Abell 959.

BIRZAN L., RAFFERTY D.A., CASSANO R., BRUNETTI G., VAN WEEREN R.J., BRUGGEN M., INTEMA H.T., DE GASPERIN F., ANDRADE-SANTOS F., BOTTEON A., ROTTGERING H.J.A. and SHIMWELL T.W.

Abstract (from CDS):

The largest galaxy clusters are observed still to be forming through major cluster-cluster mergers, often showing observational signatures such as radio relics and giant radio haloes. Using LOFAR Two-meter Sky Survey data, we present new detections of both a radio halo (with a spectral index of α1431400=1.48+0.06–0.23) and a likely radio relic in Abell 959, a massive cluster at a redshift of z = 0.288. Using a sample of clusters with giant radio haloes from the literature (80 in total), we show that the radio halo in A959 lies reasonably well on the scaling relations between the thermal and non-thermal power of the system. Additionally, we find evidence that steep-spectrum haloes tend to reside in clusters with high X-ray luminosities relative to those expected from cluster luminosity-mass(LM) scaling relations, indicating that such systems may preferentially lie at an earlier stage of the merger, consistent with the theory that some steep-spectrum haloes result from low-turbulence mergers. Lastly, we find that halo systems containing radio relics tend to lie at lower X-ray luminosities, relative to those expected from cluster LM scaling relations, for a given halo radio power than those without relics, suggesting that the presence of relics indicates a later stage of the merger, in line with simulations.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: clusters: individual: A959 - galaxies: clusters: intracluster medium - large-scale structure of Universe - radio continuum: galaxies - X-rays: galaxies: clusters

Simbad objects: 114

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Number of rows : 114
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 2693 ClG 00 02 09 -19 33.3           ~ 6 0
2 ACO 2697 ClG 00 03 11.5 -06 05 30           ~ 53 0
3 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
4 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
5 ACO 2811 ClG 00 42 08.82 -28 32 08.8           ~ 78 0
6 ACO S 84 ClG 00 49 23.2 -29 31 33           ~ 89 0
7 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
8 ACO 141 ClG 01 05 37.183 -24 40 49.95           ~ 87 0
9 ZwCl 0104+5350 ClG 01 07 43.2 +54 08 43           ~ 35 0
10 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 326 0
11 ClG J0142+2131 ClG 01 42 03.1 +21 30 39           ~ 60 1
12 ACO 267 ClG 01 52 43.016 +00 59 58.90           ~ 241 0
13 ClG 0217+70 ClG 02 17 00.0 +70 36 00           ~ 40 0
14 ClG J0256+0006 ClG 02 56 32.9 +00 06 12           ~ 42 0
15 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 420 0
16 ACO 401 ClG 02 58 50.3 +13 34 07           ~ 592 0
17 ACO 3088 ClG 03 07 02.12 -28 39 57.3           ~ 78 0
18 PLCKESZ G171.9-40.7 ClG 03 12 55 +08 22.8           ~ 58 0
19 MCS J0416.1-2403 ClG 04 16 08.380 -24 04 20.80           ~ 425 0
20 ACT-CL J0417.5-1154 ClG 04 17 34.6 -11 54 32           ~ 116 0
21 ACT-CL J0438.9+0716 ClG 04 39 00.7 +07 15 45           ~ 62 0
22 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
23 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
24 ACO 523 ClG 04 59 01 +08 46.5           ~ 66 0
25 ACO 545 ClG 05 32 24.4152 -11 32 35.080           ~ 102 0
26 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
27 ACT-CL J0553.4-3342 ClG 05 53 27.200 -33 42 53.02           ~ 74 0
28 ClG J0603.3+4214 ClG 06 03.3 +42 14           ~ 141 0
29 PSZ1 G139.61+24.20 ClG 06 22 13.9 +74 41 39           ~ 34 0
30 ZwCl 0634+4750 ClG 06 38 07.5 +47 47 27           ~ 48 0
31 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
32 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
33 SMACS J0723.3-7327 ClG 07 23 13.3 -73 27 25           ~ 252 0
34 3C 196 Sy1 08 13 36.0561170112 +48 13 02.644966020   18.36 17.79     ~ 578 2
35 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
36 ACO 3411 ClG 08 41 47.7 -17 28 46           ~ 81 0
37 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
38 ZwCl 0847+3617 ClG 08 50 12.0 +36 03 36           ~ 75 0
39 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
40 ACO 746 ClG 09 09 34.7638 +51 32 56.134           ~ 55 0
41 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 308 0
42 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 167 0
43 ACO 800 ClG 09 28 29 +37 47.9           ~ 18 0
44 ACO 851 ClG 09 43 01.2 +46 59 54   18.9       ~ 334 0
45 ZwCl 0947+1723 ClG 09 49 51.8 +17 07 05           ~ 92 0
46 [DPL2003] WL J1017.3+5931 ? 10 17 15.0 +59 30 46           ~ 3 0
47 ACO 959 ClG 10 17 35.0 +59 33 28           ~ 76 0
48 ACO 1132 ClG 10 58 32.05 +56 47 14.2           ~ 145 1
49 ZwCl 1113+0144 ClG 11 15 54.0 +01 29 44           ~ 42 0
50 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 168 0
51 ACO 1351 ClG 11 42 24.7795 +58 32 05.558           ~ 90 0
52 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 546 0
53 PLCKESZ G287.0+32.9 ClG 11 50 49.20 -28 04 36.5           ~ 100 0
54 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 181 0
55 ACO 1451 ClG 12 03 17.3 -21 32 05           ~ 50 0
56 ACO 1550 ClG 12 29 02.5 +47 37 20           ~ 57 0
57 ZwCl 1231+1007 ClG 12 34 21.9 +09 47 02           ~ 72 0
58 ACO 1576 ClG 12 36 59.5 +63 11 18           ~ 116 0
59 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
60 ACO 1682 ClG 13 06 49.7 +46 32 59           ~ 149 1
61 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
62 BAX 199.3086-25.5133 ClG 13 14 25.4 -25 15 44           ~ 118 0
63 ACO 1722 ClG 13 20 08.3 +70 04 33           ~ 63 0
64 NAME ACO 1758S GrG 13 32 32.8 +50 24 48           ~ 74 0
65 MCXC J1332.7+5032 ClG 13 32 44.8 +50 32 24           ~ 134 0
66 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 337 1
67 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
68 ACO 1914 ClG 14 25 57.4 +37 49 54           ~ 338 0
69 ZwCl 1447+2619 ClG 14 49 28.2 +26 07 57           ~ 54 0
70 ACO 1995 ClG 14 52 55.0 +58 02 59           ~ 140 0
71 ACO S 780 ClG 14 59 29.1 -18 10 45           ~ 93 0
72 ZwCl 1459+4240 ClG 15 01 23.0 +42 20 47           ~ 61 0
73 ACO 2034 ClG 15 10 03.9 +33 30 57           ~ 248 1
74 2MASX J15150305-1521537 ClG 15 14.9 -15 23           ~ 57 0
75 ACO 2061 ClG 15 21 19.90 +30 37 13.0           ~ 214 1
76 ACO 2065 ClG 15 22 22.7 +27 44 20           ~ 398 0
77 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 165 0
78 ACO 2146 ClG 15 56 04.7 +66 20 24           ~ 192 0
79 ACO 2142 ClG 15 58 26.5 +27 13 52           ~ 825 0
80 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
81 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
82 BAX 249.5848-64.5165 ClG 16 38 13.2 -64 21 21           ~ 123 0
83 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 381 0
84 PLCKESZ G018.7+23.6 ClG 17 02 13 -01 00.2           ~ 15 0
85 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
86 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
87 ACO 2254 ClG 17 17 45.90 +19 40 22.8           ~ 79 0
88 ClG J1720+2638 ClG 17 20 09.6 +26 37 35           ~ 284 0
89 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
90 ACO 2294 ClG 17 24 10.1 +85 53 09           ~ 69 0
91 MCS J1752.0+4440 ClG 17 52 02.2 +44 40 38           ~ 68 0
92 7C 1821+6419 Sy1 18 21 57.2130271440 +64 20 36.221312076   14.23 14.24     ~ 632 1
93 PLCKESZ G004.5-19.5 ClG 19 16 54 -33 30.5           ~ 31 0
94 ACO 2319 ClG 19 21 14.0 +43 56 57           ~ 495 1
95 CIZA J1938.3+5409 ClG 19 38 18.6 +54 09 33           ~ 42 0
96 ACT-CL J2003.5-2323 ClG 20 03 32.3 -23 23 30           ~ 63 0
97 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 676 1
98 ACT-CL J2031.8-4037 ClG 20 31 51.5 -40 37 14           ~ 39 0
99 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 732 2
100 BAX 337.1433+20.6131 ClG 22 28 32.6 +20 37 08           ~ 132 0
101 ACO 3888 ClG 22 34 26.3 -37 44 29           ~ 151 1
102 CIZA J2242.8+5301 ClG 22 42 53.0 +53 01 05           ~ 228 0
103 ClG J2243-0935 ClG 22 43 21.1 -09 35 43           ~ 96 0
104 ACO 2485 ClG 22 48 33 -16 07.1           ~ 53 0
105 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 152 0
106 ACO 2552 ClG 23 11 31.7 +03 37 44           ~ 87 0
107 PSZ1 G108.18-11.53 ClG 23 22 28.2499 +48 44 29.172           ~ 36 0
108 ACO S 1121 ClG 23 25 12.2988 -41 11 45.461           ~ 46 0
109 ACO 2631 ClG 23 37 40.7 +00 16 35           ~ 183 0
110 ACO 2645 ClG 23 41 17.0 -09 01 11           ~ 98 0
111 ZwCl 2341+0000 ClG 23 43 40.566 +00 18 18.94           ~ 83 0
112 PSZ1 G057.09-74.45 ClG 23 51 04.9 -19 54 48           ~ 12 0
113 PSZ1 G082.31-67.01 ClG 23 51 38.7 -08 59 03           ~ 12 0
114 ACO 2680 ClG 23 56 28 -21 02.3           ~ 7 0

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