2016MNRAS.456.2829G

Query : 2016MNRAS.456.2829G

2016MNRAS.456.2829G - Mon. Not. R. Astron. Soc., 456, 2829-2847 (2016/March-1)

A multiwavelength view of the galaxy cluster Abell 523 and its peculiar diffuse radio source.

GIRARDI M., BOSCHIN W., GASTALDELLO F., GIOVANNINI G., GOVONI F., MURGIA M., BARRENA R., ETTORI S., TRASATTI M. and VACCA V.

Abstract (from CDS):

We study the structure of the galaxy cluster Abell 523 (A523) at z = 0.104 using new spectroscopic data for 132 galaxies acquired at the Telescopio Nazionale Galileo, new photometric data from the Isaac Newton Telescope, and X-ray and radio data from the Chandra and Very Large Array archives. We estimate the velocity dispersion of the galaxy population, σ_V=949_-60^+80 km/s, and the X-ray temperature of the hot intracluster medium, kT = 5.3±0.3 keV. We infer that A523 is a massive system: M200 ∼ 7-9x1014M☉. The analysis of the optical data confirms the presence of two subclusters, 0.75 Mpc apart, tracing the SSW-NNE direction and dominated by the two brightest cluster galaxies (BCG1 and BCG2). The X-ray surface brightness is strongly elongated towards the NNE direction, and its peak is clearly offset from both the brightest cluster galaxies (BCGs). We confirm the presence of a 1.3 Mpc large radio halo, elongated in the ESE-WNW direction and perpendicular to the optical/X-ray elongation. We detect a significant radio/X-ray offset and radio polarization, two features which might be the result of a magnetic field energy spread on large spatial scales. A523 is found consistent with most scaling relations followed by clusters hosting radio haloes, but quite peculiar in the Pradio-LX relation: it is underluminous in the X-rays or overluminous in radio. A523 can be described as a binary head-on merger caught after a collision along the SSW-NNE direction. However, minor optical and radio features suggest a more complex cluster structure, with A523 forming at the crossing of two filaments along the SSW-NNE and ESE-WNW directions.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: Abell 523 - galaxies: kinematics and dynamics - radio continuum: general - X-rays: galaxies: clusters

VizieR on-line data: <Available at CDS (J/MNRAS/456/2829): table1.dat>

Nomenclature: Table 2: [GBG2016] NNN (Nos 1-132).

Simbad objects: 148

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Number of rows : 148
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 ACO 515 ClG 04 49 34 +06 10.1           ~ 11 0
3 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
4 [GBG2016] 1 G 04 58 47.73 +08 48 21.5           ~ 1 0
5 [GBG2016] 2 G 04 58 49.87667 +08 47 54.7709           ~ 2 0
6 [GBG2016] 3 G 04 58 52.16539 +08 48 42.8086           ~ 2 0
7 [GBG2016] 4 G 04 58 52.2429744493 +08 55 44.241548061           ~ 2 0
8 [GBG2016] 5 G 04 58 53.34963 +08 49 39.6671           ~ 2 0
9 [GBG2016] 6 G 04 58 53.71962 +08 46 54.5368           ~ 2 0
10 [GBG2016] 7 G 04 58 54.02938 +08 48 21.6695           ~ 2 0
11 [GBG2016] 8 G 04 58 54.18042 +08 48 43.7362           ~ 2 0
12 [GBG2016] 9 G 04 58 54.74 +08 51 37.7           ~ 1 0
13 [GBG2016] 10 G 04 58 54.75136 +08 42 56.2962           ~ 2 0
14 [GBG2016] 11 G 04 58 54.97 +08 52 20.4           ~ 1 0
15 [GBG2016] 12 G 04 58 55.08 +08 55 44.5           ~ 1 0
16 [GBG2016] 13 G 04 58 55.08348 +08 43 54.0206           ~ 2 0
17 [GBG2016] 14 G 04 58 55.2898301023 +08 50 16.459204019           ~ 3 0
18 [GBG2016] 15 G 04 58 55.63649 +08 51 08.7270           ~ 2 0
19 [GBG2016] 16 G 04 58 55.96315 +08 50 27.3807           ~ 2 0
20 [GBG2016] 17 G 04 58 56.51642 +08 49 36.5836           ~ 2 0
21 [GBG2016] 18 G 04 58 56.63 +08 54 33.2           ~ 1 0
22 [GBG2016] 19 G 04 58 57.61777 +08 48 49.5631           ~ 2 0
23 [GBG2016] 20 G 04 58 57.6860168178 +08 41 21.028910826           ~ 3 0
24 [GBG2016] 22 G 04 58 57.69829 +08 45 41.8646           ~ 2 0
25 [GBG2016] 23 G 04 58 57.76 +08 53 26.1           ~ 1 0
26 [GBG2016] 21 G 04 58 57.88501 +08 47 01.3115           ~ 2 0
27 [GBG2016] 24 G 04 58 57.96 +08 53 06.8           ~ 1 0
28 [GBG2016] 25 G 04 58 58.67 +08 56 09.2           ~ 1 0
29 [GBG2016] 26 G 04 58 58.88840 +08 50 45.3866           ~ 2 0
30 [GBG2016] 27 G 04 58 58.93 +08 51 36.9           ~ 1 0
31 [GBG2016] 28 G 04 58 59.00885 +08 45 10.2800           ~ 2 0
32 [GBG2016] 29 G 04 58 59.27747 +08 43 57.5994           ~ 2 0
33 [GBG2016] 30 G 04 58 59.41532 +08 47 47.9729           ~ 2 0
34 [GBG2016] 31 G 04 58 59.55408 +08 45 19.6838           ~ 2 0
35 [GBG2016] 32 G 04 58 59.77 +08 44 49.6           ~ 1 0
36 [GBG2016] 33 G 04 59 00.85332 +08 47 09.8274           ~ 2 0
37 [GBG2016] 34 G 04 59 00.90 +08 53 59.2           ~ 1 0
38 ACO 523 ClG 04 59 01 +08 46.5           ~ 66 0
39 [GBG2016] 35 G 04 59 01.11693 +08 51 25.8060           ~ 2 0
40 [GBG2016] 36 G 04 59 01.50533 +08 46 45.7938           ~ 2 0
41 [GBG2016] 37 G 04 59 01.90 +08 57 15.7           ~ 1 0
42 [GBG2016] 38 G 04 59 02.12052 +08 44 55.8632           ~ 2 0
43 [GBG2016] 39 G 04 59 02.72156 +08 41 46.0994           ~ 2 0
44 [GBG2016] 40 G 04 59 02.9882723660 +08 45 12.659667514           ~ 3 0
45 [GBG2016] 41 G 04 59 03.26668 +08 48 20.4954           ~ 2 0
46 [GBG2016] 42 G 04 59 03.42 +08 53 12.3           ~ 1 0
47 [GBG2016] 43 G 04 59 03.6427625280 +08 42 33.499721385           ~ 3 0
48 [GBG2016] 44 G 04 59 03.94 +08 56 32.7           ~ 1 0
49 [GBG2016] 45 G 04 59 03.96590 +08 47 15.7646           ~ 2 0
50 [GBG2016] 46 G 04 59 04.02222 +08 41 46.3849           ~ 2 0
51 [GBG2016] 47 G 04 59 04.88265 +08 45 17.8682           ~ 2 0
52 [GBG2016] 48 G 04 59 04.91925 +08 46 56.2249           ~ 2 0
53 [GBG2016] 49 G 04 59 05.17 +08 43 13.5           ~ 1 0
54 [GBG2016] 50 G 04 59 05.46 +08 52 25.7           ~ 1 0
55 [GBG2016] 51 G 04 59 05.48946 +08 42 40.7770           ~ 2 0
56 [GBG2016] 52 G 04 59 05.55183 +08 45 55.3182           ~ 2 0
57 [GBG2016] 53 G 04 59 06.12972 +08 45 21.6668           ~ 2 0
58 [GBG2016] 54 G 04 59 06.24103 +08 45 11.8271           ~ 2 0
59 [GBG2016] 55 G 04 59 06.50220 +08 44 23.4465           ~ 2 0
60 NVSS J045906+084350 rG 04 59 06.58938 +08 43 49.0563           ~ 4 1
61 [GBG2016] 57 G 04 59 07.36997 +08 48 54.7451           ~ 2 0
62 [GBG2016] 58 G 04 59 07.42681 +08 49 20.9266           ~ 2 0
63 [GBG2016] 59 G 04 59 07.77677 +08 41 04.7310           ~ 2 0
64 [GBG2016] 60 G 04 59 07.96125 +08 50 49.6066           ~ 2 0
65 [GBG2016] 61 G 04 59 08.02262 +08 50 13.5979           ~ 2 0
66 [GBG2016] 62 G 04 59 08.90 +08 45 43.8           ~ 1 0
67 [GBG2016] 63 G 04 59 08.98066 +08 43 50.8352           ~ 2 0
68 [GBG2016] 64 G 04 59 10.96242 +08 51 04.0095           ~ 2 0
69 [GBG2016] 65 G 04 59 11.03 +08 53 27.9           ~ 1 0
70 [GBG2016] 66 G 04 59 11.16948 +08 48 36.0020           ~ 2 0
71 [GBG2016] 67 G 04 59 11.18 +08 52 49.6           ~ 1 0
72 [GBG2016] 68 G 04 59 11.3217733245 +08 48 12.625596885           ~ 3 0
73 [GBG2016] 69 G 04 59 11.90 +08 54 49.1           ~ 1 0
74 [GBG2016] 70 G 04 59 11.95 +08 44 14.0           ~ 1 0
75 [GBG2016] 71 G 04 59 12.12121 +08 43 03.8912           ~ 2 0
76 [GBG2016] 72 G 04 59 12.6426709366 +08 50 02.120153445           ~ 3 0
77 [GBG2016] 74 G 04 59 12.87 +08 53 32.8           ~ 1 0
78 [GBG2016] 73 G 04 59 12.87633 +08 46 59.6652           ~ 2 0
79 2MASX J04591293+0849411 GiC 04 59 12.933 +08 49 41.11           ~ 8 0
80 [GBG2016] 76 G 04 59 12.99485 +08 49 14.4601           ~ 2 0
81 [GBG2016] 77 G 04 59 13.45076 +08 47 15.8937           ~ 2 0
82 [GBG2016] 78 G 04 59 13.92414 +08 44 06.1214           ~ 2 0
83 [GBG2016] 79 G 04 59 14.12 +08 50 44.6           ~ 1 0
84 [GBG2016] 80 G 04 59 14.4172664118 +08 49 44.952858801           ~ 3 0
85 [GBG2016] 81 G 04 59 14.48 +08 43 32.3           ~ 1 0
86 [GBG2016] 82 G 04 59 14.50133 +08 47 11.1879           ~ 2 0
87 [GBG2016] 83 G 04 59 14.71028 +08 50 27.2011           ~ 2 0
88 [GBG2016] 84 G 04 59 14.99 +08 55 57.6           ~ 1 0
89 [GBG2016] 85 G 04 59 15.10728 +08 51 50.8841           ~ 2 0
90 [GBG2016] 86 G 04 59 15.51835 +08 48 02.5046           ~ 2 0
91 [GBG2016] 87 G 04 59 16.02328 +08 45 21.1531           ~ 2 0
92 [GBG2016] 88 G 04 59 16.15302 +08 51 06.3167           ~ 2 0
93 [GBG2016] 89 G 04 59 16.40227 +08 51 59.5424           ~ 2 0
94 [GBG2016] 90 G 04 59 16.54 +08 43 03.2           ~ 1 0
95 [GBG2016] 91 G 04 59 17.16 +08 52 58.3           ~ 1 0
96 [GBG2016] 92 G 04 59 17.64770 +08 52 07.8413           ~ 2 0
97 [GBG2016] 93 G 04 59 18.11890 +08 46 18.0081           ~ 2 0
98 [GBG2016] 94 G 04 59 18.17709 +08 46 58.5732           ~ 2 0
99 [GBG2016] 95 G 04 59 20.25824 +08 45 01.1611           ~ 2 0
100 [GBG2016] 96 G 04 59 20.41 +08 54 46.8           ~ 1 0
101 [GBG2016] 97 G 04 59 20.55265 +08 43 43.1538           ~ 2 0
102 [GBG2016] 98 G 04 59 21.00113 +08 45 14.7992           ~ 2 0
103 [GBG2016] 99 G 04 59 21.73380 +08 50 43.8216           ~ 2 0
104 [GBG2016] 100 G 04 59 22.58911 +08 51 59.2008           ~ 2 0
105 [GBG2016] 101 G 04 59 23.2656115992 +08 46 14.806529976           ~ 3 0
106 [GBG2016] 103 G 04 59 23.30059 +08 49 40.5854           ~ 2 0
107 [GBG2016] 102 G 04 59 23.32 +08 45 34.2           ~ 1 0
108 [GBG2016] 104 G 04 59 25.05416 +08 46 42.4227           ~ 2 0
109 [GBG2016] 105 G 04 59 26.67 +08 46 15.1           ~ 1 0
110 [GBG2016] 106 G 04 59 27.19301 +08 46 04.6549           ~ 2 0
111 [GBG2016] 107 G 04 59 29.68 +08 52 37.6           ~ 1 0
112 ACO 525 ClG 04 59 30 +08 08.5           ~ 10 0
113 [GBG2016] 108 G 04 59 30.46 +08 52 49.9           ~ 1 0
114 [GBG2016] 109 G 04 59 30.60 +08 53 23.4           ~ 1 0
115 [GBG2016] 110 G 04 59 32.03 +08 48 31.5           ~ 1 0
116 [GBG2016] 111 G 04 59 32.60 +08 51 52.6           ~ 1 0
117 [GBG2016] 112 G 04 59 33.12 +08 46 34.2           ~ 1 0
118 [GBG2016] 113 G 04 59 33.33 +08 48 58.1           ~ 1 0
119 [GBG2016] 114 G 04 59 33.97 +08 45 06.5           ~ 1 0
120 [GBG2016] 115 G 04 59 34.3803962497 +08 50 54.296467200           ~ 2 0
121 [GBG2016] 116 G 04 59 35.19 +08 49 24.1           ~ 1 0
122 [GBG2016] 117 G 04 59 36.06 +08 49 55.2           ~ 1 0
123 [GBG2016] 118 G 04 59 36.06 +08 50 18.1           ~ 1 0
124 [GBG2016] 119 G 04 59 36.70 +08 44 06.8           ~ 1 0
125 [GBG2016] 120 G 04 59 36.84 +08 46 58.8           ~ 1 0
126 [GBG2016] 121 G 04 59 38.24 +08 49 08.5           ~ 1 0
127 [GBG2016] 122 G 04 59 38.70 +08 46 55.7           ~ 1 0
128 [GBG2016] 123 G 04 59 38.79 +08 46 16.2           ~ 1 0
129 [GBG2016] 124 G 04 59 39.18 +08 50 49.3           ~ 1 0
130 [GBG2016] 125 G 04 59 40.78 +08 46 28.8           ~ 1 0
131 [GBG2016] 126 G 04 59 42.6620637691 +08 45 29.835411204           ~ 2 0
132 [GBG2016] 127 G 04 59 43.55 +08 52 54.1           ~ 1 0
133 [GBG2016] 128 G 04 59 43.84 +08 47 08.5           ~ 1 0
134 [GBG2016] 129 G 04 59 45.06 +08 45 39.8           ~ 1 0
135 [GBG2016] 130 G 04 59 48.43 +08 51 06.9           ~ 1 0
136 [GBG2016] 131 G 04 59 48.83 +08 47 25.4           ~ 1 0
137 SCl 62 SCG 04 59.9 +08 34           ~ 5 0
138 [GBG2016] 132 G 04 59 56.68 +08 51 10.9           ~ 1 0
139 ACO 529 ClG 05 00 40 +06 10.4           ~ 10 0
140 ACO 532 ClG 05 03 11 +11 57.2           ~ 10 0
141 LEDA 2195075 G 06 03 16.67547 +42 14 41.6110           ~ 23 0
142 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
143 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
144 [DR2006] J0809+39 Rad 08 08 38 +38 56.0           ~ 6 0
145 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
146 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
147 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
148 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0

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