2007A&A...470...39R

Query : 2007A&A...470...39R

2007A&A...470...39R - Astronomy and Astrophysics, volume 470, 39-51 (2007/7-4)

Substructures in WINGS clusters.

RAMELLA M., BIVIANO A., PISANI A., VARELA J., BETTONI D., COUCH W.J., D'ONOFRIO M., DRESSLER A., FASANO G., KJAERGAARD P., MOLES M., PIGNATELLI E. and POGGIANTI B.M.

Abstract (from CDS):

We search for and characterize substructures in the projected distribution of galaxies observed in the wide field CCD images of the 77 nearby clusters of the WIde-field Nearby Galaxy-cluster Survey (WINGS). This sample is complete in X-ray flux in the redshift range 0.04<z<0.07. We search for substructures in WINGS clusters with DEDICA, an adaptive-kernel procedure. We test the procedure on Monte-Carlo simulations of the observed frames and determine the reliability for the detected structures. DEDICA identifies at least one reliable structure in the field of 55 clusters. 40 of these clusters have a total of 69 substructures at the same redshift of the cluster (redshift estimates of substructures are from color-magnitude diagrams). The fraction of clusters with subclusters (73%) is higher than in most studies. The presence of subclusters affects the relative luminosities of the brightest cluster galaxies (BCGs). Down to L∼1011.2L☉, our observed differential distribution of subcluster luminosities is consistent with the theoretical prediction of the differential mass function of substructures in cosmological simulations.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: elliptical and lenticular, cD

VizieR on-line data: <Available at CDS (J/A+A/470/39): tablea1.dat>

Nomenclature: Table A1: [RBP2007] DDD.dddd+DD.dddd N=159.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 76

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Number of rows : 76
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 2717 ClG 00 03 12.9 -35 56 13           ~ 137 0
2 ACO 2734 ClG 00 11 21.60 -28 51 16.6           ~ 143 0
3 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 910 0
4 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 555 2
5 NGC 326 rG 00 58 22.6298561088 +26 51 58.701156300   14.9 13     ~ 183 2
6 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 369 1
7 ACO 147 ClG 01 08 10 +02 10.0           ~ 113 0
8 ACO 151 ClG 01 08 52.3 -15 25 01           ~ 190 1
9 ACO 160 ClG 01 12 59.98 +15 30 05.3           ~ 173 0
10 ACO 168 ClG 01 15 07.58 +00 19 10.8           ~ 362 2
11 ACO 193 ClG 01 25 07.3 +08 41 36           ~ 187 0
12 ACO 311 ClG 02 09 10 +19 43.2           ~ 45 0
13 ACO 376 ClG 02 45 48 +36 51.6           B8.5 153 1
14 ACO 3128 ClG 03 29 50.6 -52 34 48           ~ 177 3
15 ACO 3158 ClG 03 42 39.6 -53 37 50           ~ 305 0
16 ACO 3164 ClG 03 46 16.8 -57 02 11           ~ 45 0
17 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 411 0
18 ACO 500 ClG 04 38 55.0 -22 05 55           ~ 82 0
19 ACO 548 ClG 05 47 01.7 -25 36 59           B8 203 2
20 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 306 0
21 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 209 0
22 ZwCl 0712+5334 ClG 07 16 42.6 +53 24 28           ~ 28 0
23 ACO 602 ClG 07 53 23.51 +29 20 20.3           ~ 78 0
24 ACO 671 ClG 08 28 48.68 +30 27 07.0           ~ 164 0
25 ACO 754 ClG 09 09 08.4 -09 39 58           ~ 667 1
26 ACO 780 ClG 09 18 30 -12 15.7           ~ 453 0
27 ZwCl 0959+3257 ClG 10 02 42.16 +32 43 37.2           ~ 37 0
28 ACO 957 ClG 10 14 02.35 -00 53 30.0           ~ 212 2
29 ACO 970 ClG 10 17 34.3 -10 42 01           ~ 85 0
30 ACO 1069 ClG 10 39 54.3 -08 36 40           ~ 109 1
31 ACO 1291 ClG 11 32 11.20 +56 01 31.3           ~ 133 0
32 ACO 3490 ClG 11 45 19.6 -34 25 59           ~ 48 1
33 ACO 3497 ClG 12 00 03 -31 23.7           ~ 35 0
34 ACO 1631 ClG 12 52 50.6 -15 25 37           ~ 171 1
35 ACO 3528 ClG 12 54 18.2 -29 01 16           ~ 158 1
36 ACO 3530 ClG 12 55 36.0 -30 20 49           ~ 98 0
37 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 366 1
38 ACO 3532 ClG 12 57 19.2 -30 22 13           ~ 169 2
39 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4813 2
40 ACO 1668 ClG 13 04 00.60 +19 17 09.6           ~ 118 0
41 ACO 3556 ClG 13 24 06.2 -31 39 38           ~ 151 0
42 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 250 2
43 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 443 2
44 ACO 3560 ClG 13 32 23.7 -33 08 21           ~ 134 1
45 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 314 1
46 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1268 0
47 ACO 1831 ClG 13 59 19.42 +27 58 08.2           ~ 155 0
48 ACO 1983 ClG 14 52 59.33 +16 46 11.0           ~ 243 1
49 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 331 1
50 ACT-CL J1521.8+0742 ClG 15 21 55.14 +07 41 27.2     15.13     ~ 312 0
51 ACO 2107 ClG 15 39 39.04 +21 46 57.8           ~ 254 0
52 ACO 2122 ClG 15 44 55.93 +36 06 05.2           ~ 230 0
53 ACO 2149 ClG 16 00 53.08 +53 56 57.6           ~ 76 0
54 ACO 2169 ClG 16 13 59.22 +49 07 07.2           ~ 63 0
55 ACO 2256 ClG 17 03 09.4 +78 39 36           ~ 885 1
56 ACO 2271 ClG 17 17 17.5 +78 01 00           ~ 69 0
57 BAX 265.1346+35.6492 ClG 17 40 32.7 +35 38 51           ~ 34 0
58 ZwCl 1810+4949 ClG 18 11 00.1 +49 54 40     14.8     ~ 55 0
59 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 628 1
60 ACO 3716 ClG 20 51 16.7 -52 41 43           ~ 116 1
61 ZW II 108 BiC 21 13 55.918 +02 33 55.39   15.1       ~ 63 1
62 ACO 3809 ClG 21 46 57.5 -43 54 06           ~ 90 0
63 ACO 2382 ClG 21 51 57.2984 -15 36 48.067           ~ 119 0
64 ACO 2399 ClG 21 57 19.01 -07 50 57.5           ~ 186 0
65 ACO 2415 ClG 22 05 25.0 -05 35 23           ~ 116 1
66 ACO 3880 ClG 22 27 49.5 -30 34 40           ~ 96 2
67 ACO 2457 ClG 22 35 40.30 +01 31 33.6           ~ 133 0
68 ZwCl 2307+0713 ClG 23 10 26.6 +07 35 13           ~ 56 0
69 ACO 2572 ClG 23 18 31.2 +18 41 52           ~ 140 1
70 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 316 1
71 ACO 2593 ClG 23 24 27.15 +14 33 40.2           ~ 219 0
72 ACO 2622 ClG 23 34 53 +27 25.6           ~ 91 0
73 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 248 0
74 ACO 2657 ClG 23 44 51.0 +09 08 40           ~ 270 3
75 ACO 2665 ClG 23 50 50.6 +06 09 00           ~ 99 0
76 ACO 4059 ClG 23 57 02.2 -34 45 58           ~ 381 1

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