2002A&A...385...39V

Query : 2002A&A...385...39V

2002A&A...385...39V - Astronomy and Astrophysics, volume 385, 39-54 (2002/4-1)

Radio emission from the A3571 cluster complex: The final stage of a cluster merger?

VENTURI T., BARDELLI S., ZAGARIA M., PRANDONI I. and MORGANTI R.

Abstract (from CDS):

In this paper we report and discuss the results of a radio survey in the A3571 cluster complex, a structure located in the Shapley Concentration core, and formed by the three clusters A3571, A3572 and A3575. The survey was carried out simultaneously at 22cm and 13cm with the Australia Telescope Compact Array, and led to the detection of 124 radio sources at 22cm. The radio source counts in this region are in agreement with the background counts. Among the 36 radio sources with optical counterpart, six have a measured redshift that places them at the distance of the A3571 cluster complex, and nine radio sources have optical counterparts most likely members of this cluster complex. All of the radio galaxies emit at low power level, i.e. logP22cm(W/Hz)≤22.6. A number of them are likely to be starburst galaxies. The radio luminosity function of early type galaxies is in agreement with that derived by Ledlow & Owen (1996AJ....112....9L) if we restrict our analysis to the A3571 cluster. On the basis of the multiwavelength properties of the A3571 cluster complex, we propose that it is a very advanced merger, and explain the radio properties derived from our study in the light of this hypothesis.

Abstract Copyright: ∼

Journal keyword(s): radio continuum: galaxies - galaxies: clusters: general - galaxies: clusters: individual: A3571, A3572, A3575

VizieR on-line data: <Available at CDS (J/A+A/385/39): table3.dat table4.dat>

Nomenclature: Tables 3, 4: [VBZ2002] JHHMM+DDMMa N=124.

Simbad objects: 135

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Number of rows : 135
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 3528 ClG 12 54 18.2 -29 01 16           ~ 157 1
2 ACO 3530 ClG 12 55 36.0 -30 20 49           ~ 97 0
3 ACO 3532 ClG 12 57 19.2 -30 22 13           ~ 168 2
4 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 442 2
5 [VBZ2002] J1346-3259 Rad 13 46 13.0 -32 59 33           ~ 1 0
6 [VBZ2002] J1346-3252 Rad 13 46 13.7 -32 52 28   21.80       ~ 1 0
7 2MASX J13462582-3231392 Rad 13 46 25.8789336336 -32 31 39.318937608   19.40       ~ 1 0
8 2MASX J13463427-3237053 Rad 13 46 34.2745390536 -32 37 05.403703548   18.13       ~ 1 0
9 [VBZ2002] J1346-3235 Rad 13 46 38.8 -32 35 55   20.31       ~ 1 0
10 [VBZ2002] J1346-3303 Rad 13 46 39.4 -33 03 44   17.78       ~ 1 0
11 [VBZ2002] J1346-3254 Rad 13 46 40.9 -32 54 23           ~ 1 0
12 [VBZ2002] J1346-3305 Rad 13 46 47.6 -33 05 03           ~ 1 0
13 [VBZ2002] J1346-3320 Rad 13 46 50.3 -33 20 15           ~ 1 0
14 [VBZ2002] J1346-3304 Rad 13 46 50.4 -33 04 59           ~ 1 0
15 [VBZ2002] J1346-3248 Rad 13 46 53.4 -32 48 22   19.95       ~ 1 0
16 [VBZ2002] J1346-3346 Rad 13 46 59.0 -33 46 16   12.51       ~ 1 0
17 [VBZ2002] J1347-3311a Rad 13 47 02.7 -33 11 51           ~ 1 0
18 [VBZ2002] J1347-3332 Rad 13 47 07.3 -33 32 06           ~ 1 0
19 [VBZ2002] J1347-3339a Rad 13 47 08.1 -33 39 45           ~ 1 0
20 [VBZ2002] J1347-3306 Rad 13 47 09.0 -33 06 46           ~ 1 0
21 [VBZ2002] J1347-3313 Rad 13 47 09.4 -33 13 51           ~ 1 0
22 [VBZ2002] J1347-3334 Rad 13 47 20.2 -33 34 47           ~ 1 0
23 [VBZ2002] J1347-3325 Rad 13 47 24.2 -33 25 11           ~ 1 0
24 [VBZ2002] J1347-3252 Rad 13 47 24.6 -32 52 15   21.98       ~ 1 0
25 2MASX J13472529-3256100 GiC 13 47 25.3366298664 -32 56 10.200568488   15.78   15.23 14.32 ~ 11 0
26 [VBZ2002] J1347-3324 Rad 13 47 25.4 -33 24 41           ~ 1 0
27 NVSS J134726-322929 Rad 13 47 26.3 -32 29 33   20.42       ~ 2 0
28 [VBZ2002] J1347-3314 Rad 13 47 26.8 -33 14 33           ~ 1 0
29 ESO 383-76 BiC 13 47 28.385 -32 51 54.02   13.02   11.53 12.50 ~ 61 1
30 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 284 2
31 [VBZ2002] J1347-3310 Rad 13 47 31.4 -33 10 04           ~ 1 0
32 [VBZ2002] J1347-3241 Rad 13 47 34.3 -32 41 31           ~ 1 0
33 [VBZ2002] J1347-3323 Rad 13 47 36.3 -33 23 28           ~ 1 0
34 [VBZ2002] J1347-3339b Rad 13 47 37.3 -33 39 27   22.46       ~ 1 0
35 [VBZ2002] J1347-3311b Rad 13 47 42.4 -33 11 43           ~ 1 0
36 [VBZ2002] J1347-3328 Rad 13 47 48.7 -33 28 40           ~ 1 0
37 LEDA 95944 EmG 13 47 53.1059933856 -32 59 02.227728408   16.00   14.70 14.12 ~ 20 0
38 NVSS J134754-323659 BLL 13 47 54.2 -32 36 59   19.77       ~ 2 0
39 ESO 383-82 EmG 13 47 56.836 -33 01 07.55   16.43   15.21 15.02 ~ 13 0
40 [VBZ2002] J1347-3330 Rad 13 47 57.5 -33 30 02           ~ 1 0
41 [VBZ2002] J1347-3302 Rad 13 47 59.5 -33 02 03           ~ 1 0
42 [VBZ2002] J1348-3311 Rad 13 48 04.2 -33 11 33           ~ 1 0
43 [VBZ2002] J1348-3315 Rad 13 48 04.9 -33 15 58           ~ 1 0
44 [VBZ2002] J1348-3246 Rad 13 48 08 -32 46.3           ~ 1 0
45 [VBZ2002] J1348-3339 Rad 13 48 10.5 -33 39 31           ~ 1 0
46 ACO 3572 ClG 13 48 11 -33 22.9           ~ 29 0
47 [VBZ2002] J1348-3323 Rad 13 48 14.3 -33 23 32           ~ 1 0
48 [VBZ2002] J1348-3239 Rad 13 48 15.3 -32 39 31           ~ 1 0
49 [VBZ2002] J1348-3255 Rad 13 48 16.1 -32 55 33   21.77       ~ 1 0
50 [VBZ2002] J1348-3234 Rad 13 48 24.9 -32 34 35           ~ 1 0
51 [VBZ2002] J1348-3249 Rad 13 48 30.3 -32 49 10           ~ 1 0
52 [VBZ2002] J1348-3256 Rad 13 48 32.3 -32 56 33           ~ 1 0
53 [VBZ2002] J1348-3318 Rad 13 48 33.5 -33 18 47   18.57       ~ 1 0
54 [VBZ2002] J1348-3328 Rad 13 48 35.1 -33 28 18           ~ 1 0
55 [VBZ2002] J1348-3310 Rad 13 48 37.5 -33 10 04           ~ 1 0
56 [VBZ2002] J1348-3258 Rad 13 48 39.6 -32 58 16           ~ 1 0
57 [VBZ2002] J1348-3257 Rad 13 48 46.3 -32 57 37           ~ 1 0
58 [VBZ2002] J1348-3241 Rad 13 48 46.5 -32 41 41           ~ 1 0
59 [VBZ2002] J1348-3303 Rad 13 48 47.7 -33 03 16           ~ 1 0
60 [VBZ2002] J1348-3305 Rad 13 48 52.9 -33 05 17           ~ 1 0
61 [VBZ2002] J1348-3304 Rad 13 48 55.6 -33 04 59           ~ 1 0
62 [VBZ2002] J1348-3250 Rad 13 48 58.9 -32 50 45           ~ 1 0
63 [VBZ2002] J1348-3337 Rad 13 48 59.8 -33 37 55           ~ 1 0
64 [VBZ2002] J1349-3326 Rad 13 49 02.3 -33 26 57           ~ 1 0
65 ESO 445-47 GiC 13 49 07.7076271392 -32 43 34.798213920   16.00   15.00 14.61 ~ 15 0
66 [VBZ2002] J1349-3320a Rad 13 49 10.8 -33 20 12           ~ 1 0
67 [VBZ2002] J1349-3317 Rad 13 49 15.0 -33 17 50           ~ 1 0
68 [VBZ2002] J1349-3304 Rad 13 49 15.6 -33 04 43           ~ 1 0
69 [VBZ2002] J1349-3247 Rad 13 49 18.8 -32 47 28           ~ 1 0
70 [VBZ2002] J1349-3314a Rad 13 49 23.9 -33 14 08           ~ 1 0
71 [VBZ2002] J1349-3323 Rad 13 49 26.0 -33 23 56   15.74       ~ 1 0
72 [VBZ2002] J1349-3329 Rad 13 49 27.0 -33 29 27           ~ 1 0
73 [VBZ2002] J1349-3246 Rad 13 49 27.7 -32 46 11           ~ 1 0
74 [VBZ2002] J1349-3230 Rad 13 49 27.9 -32 30 10   16.33       ~ 1 0
75 [VBZ2002] J1349-3238a Rad 13 49 31.5 -32 38 06           ~ 1 0
76 [VBZ2002] J1349-3351 Rad 13 49 35.1 -33 51 04           ~ 1 0
77 NVSS J134936-331434 Rad 13 49 36.2 -33 14 35           ~ 2 0
78 NVSS J134940-331427 Rad 13 49 40.4 -33 14 28   19.40       ~ 2 0
79 [VBZ2002] J1349-3301 Rad 13 49 40.5 -33 01 19           ~ 1 0
80 [VBZ2002] J1349-3244 Rad 13 49 40.8 -32 44 38           ~ 1 0
81 NVSS J134943-332018 Rad 13 49 43.1 -33 20 16           ~ 2 0
82 [VBZ2002] J1349-3238b Rad 13 49 58.2 -32 38 49           ~ 1 0
83 [VBZ2002] J1349-3245 Rad 13 49 58.9 -32 45 04           ~ 1 0
84 [VBZ2002] J1350-3334 Rad 13 50 01.2 -33 34 22   20.06       ~ 1 0
85 [VBZ2002] J1350-3302 Rad 13 50 08.8 -33 02 19           ~ 1 0
86 LEDA 88933 EmG 13 50 09.1019722728 -33 11 24.864743292   16.84   16.16 15.30 ~ 9 0
87 [VBZ2002] J1350-3301 Rad 13 50 12.1 -33 01 58           ~ 1 0
88 [VBZ2002] J1350-3249 Rad 13 50 18.7 -32 49 17           ~ 1 0
89 NVSS J135022-333657 Rad 13 50 22.5 -33 36 58   21.53       ~ 2 0
90 [VBZ2002] J1350-3243 Rad 13 50 26.8 -32 43 38           ~ 1 0
91 [VBZ2002] J1350-3248a Rad 13 50 46.3 -32 48 51           ~ 1 0
92 [VBZ2002] J1350-3250 Rad 13 50 51.7 -32 50 17           ~ 1 0
93 [VBZ2002] J1350-3248b Rad 13 50 57.1 -32 48 48   18.33       ~ 1 0
94 [VBZ2002] J1351-3248 Rad 13 51 24.6 -32 48 49           ~ 1 0
95 [VBZ2002] J1351-3238 Rad 13 51 28.4 -32 38 35           ~ 1 0
96 [VBZ2002] J1351-3259a Rad 13 51 29.4 -32 59 11           ~ 1 0
97 2MASX J13513379-3249493 EmG 13 51 33.7861875216 -32 49 49.738131624   12.34   15.20 14.54 ~ 14 0
98 [VBZ2002] J1351-3228a Rad 13 51 34.1 -32 28 44           ~ 1 0
99 [VBZ2002] J1351-3234 Rad 13 51 35.5 -32 34 13           ~ 1 0
100 [VBZ2002] J1351-3228b Rad 13 51 35.5 -32 28 45           ~ 1 0
101 [VBZ2002] J1351-3247 Rad 13 51 35.9 -32 47 10   18.82       ~ 1 0
102 [VBZ2002] J1351-3259b Rad 13 51 41.6 -32 59 11           ~ 1 0
103 [VBZ2002] J1351-3313 Rad 13 51 43.8 -33 13 48   18.37       ~ 1 0
104 [VBZ2002] J1351-3303 Rad 13 51 44.0 -33 03 07           ~ 1 0
105 [VBZ2002] J1351-3310 Rad 13 51 46.2 -33 10 42           ~ 1 0
106 [VBZ2002] J1351-3301 Rad 13 51 56.9 -33 01 46           ~ 1 0
107 [VBZ2002] J1351-3240 Rad 13 51 59.8 -32 40 19   17.31       ~ 1 0
108 [VBZ2002] J1351-3229 Rad 13 51 59.9 -32 29 24           ~ 1 0
109 NAME ACO 3571 Cluster Complex SCG 13 52 04 -32 46.6           ~ 1 1
110 [VBZ2002] J1352-3314 Rad 13 52 08.0 -33 14 45           ~ 1 0
111 [VBZ2002] J1352-3315 Rad 13 52 09.1 -33 15 26   20.00       ~ 1 0
112 [VBZ2002] J1352-3236 Rad 13 52 14.2 -32 36 44           ~ 1 0
113 2MASX J13521645-3243389 Rad 13 52 16.4339225832 -32 43 38.761270284   17.23       ~ 1 0
114 [VBZ2002] J1352-3245 Rad 13 52 24.8 -32 45 37           ~ 1 0
115 [VBZ2002] J1352-3308 Rad 13 52 32.9 -33 08 49           ~ 1 0
116 [VBZ2002] J1352-3306 Rad 13 52 33.1 -33 06 01   22.44       ~ 1 0
117 [VBZ2002] J1352-3243b Rad 13 52 34.1 -32 43 32           ~ 1 0
118 [VBZ2002] J1352-3244 Rad 13 52 34.9 -32 44 33           ~ 1 0
119 ACO 3575 ClG 13 52 35 -32 52.8           ~ 31 0
120 [VBZ2002] J1352-3248 Rad 13 52 40.2 -32 48 56           ~ 1 0
121 [VBZ2002] J1352-3230a Rad 13 52 42.6 -32 30 51           ~ 1 0
122 [VBZ2002] J1352-3302 Rad 13 52 43.5 -33 02 29   18.84       ~ 1 0
123 [VBZ2002] J1352-3230b Rad 13 52 46.3 -32 30 24           ~ 1 0
124 [VBZ2002] J1352-3301 Rad 13 52 50.2 -33 01 58           ~ 1 0
125 [VBZ2002] J1352-3251 Rad 13 52 50.5 -32 51 24   21.86       ~ 1 0
126 NVSS J135256-330439 Rad 13 52 56.5 -33 04 41           ~ 2 0
127 [VBZ2002] J1353-3229 Rad 13 53 08.4 -32 29 27           ~ 1 0
128 [VBZ2002] J1353-3228 Rad 13 53 20.1 -32 28 03           ~ 1 0
129 [VBZ2002] J1353-3238 Rad 13 53 22.5 -32 38 11           ~ 1 0
130 [VBZ2002] J1353-3239 Rad 13 53 27.2 -32 39 17           ~ 1 0
131 [VBZ2002] J1353-3300 Rad 13 53 45.5 -33 00 01   18.74       ~ 1 0
132 [VBZ2002] J1354-3251 Rad 13 54 24.1 -32 51 02           ~ 1 0
133 ACO 2125 ClG 15 41 14.1 +66 15 57           ~ 122 1
134 ACO 2645 ClG 23 41 17.0 -09 01 11           ~ 89 0
135 NAME ACO 3558 Complex SCG ~ ~           ~ 10 1

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