2008MNRAS.383..445W

Query : 2008MNRAS.383..445W

2008MNRAS.383..445W - Mon. Not. R. Astron. Soc., 383, 445-457 (2008/January-2)

The Norma cluster (ACO 3627) - I. A dynamical analysis of the most massive cluster in the Great Attractor.

WOUDT P.A., KRAAN-KORTEWEG R.C., LUCEY J., FAIRALL A.P. and MOORE S.A.W.

Abstract (from CDS):

A detailed dynamical analysis of the nearby rich Norma cluster (ACO 3627) is presented. From radial velocities of 296 cluster members, we find a mean velocity of 4871 ±54km/s and a velocity dispersion of 925km/s. The mean velocity of the E/S0 population (4979 ±85km/s) is offset with respect to that of the S/Irr population (4812 ±70km/s) by Δv = 164km/s in the cluster rest frame. This offset increases towards the core of the cluster. The E/S0 population is free of any detectable substructure and appears relaxed. Its shape is clearly elongated with a position angle that is aligned along the dominant large-scale structures in this region, the so-called Norma wall. The central cD galaxy has a very large peculiar velocity of 561km/s which is most probably related to an ongoing merger at the core of the cluster. The spiral/irregular galaxies reveal a large amount of substructure; two dynamically distinct subgroups within the overall spiral population have been identified, located along the Norma wall elongation. The dynamical mass of the Norma cluster within its Abell radius is 1-1.1 x1015h–173M☉. One of the cluster members, the spiral galaxy WKK6176 which recently was observed to have a 70kpc X-ray tail, reveals numerous striking low-brightness filaments pointing away from the cluster centre suggesting strong interaction with the intracluster medium.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: clusters: individual: Norma cluster (ACO 3627) - galaxies: elliptical and lenticular, cD - galaxies: individual: WKK6176 - galaxies: kinematics and dynamics

VizieR on-line data: <Available at CDS (J/MNRAS/383/445): table2.dat>

Nomenclature: Table 2: ZOA JHHMMSSss+DDMMSSs N=57. Paragr. 3.3: [WKL2008] Norma A> (Nos A-B).

Simbad objects: 210

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Number of rows : 210
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 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
2 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 905 1
3 ACO 3526 ClG 12 48 49.2 -41 18 17           ~ 1154 2
4 NAME Norma Supercluster ClG 12 49 -38.0           ~ 24 0
5 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
6 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
7 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
8 CIZA J1324.7-5736 ClG 13 24 36.0 -57 32 55           ~ 29 1
9 LEDA 2793235 AG? 16 02 27.492 -60 19 42.10           ~ 10 0
10 ESO 136-13 AG? 16 03 15.37 -60 21 27.0           ~ 8 0
11 [WKL2008] Norma B GrG 16 03 56.0 -60 26 54           ~ 1 0
12 LEDA 2793244 AG? 16 04 05.19 -60 09 49.9           ~ 5 0
13 LEDA 3077672 AG? 16 04 10.87 -60 26 46.5           ~ 5 0
14 ESO 136-17 GiG 16 04 25.0734031272 -60 44 14.666138088           ~ 16 0
15 LEDA 3077688 AG? 16 04 54.196 -60 33 39.88           ~ 6 0
16 ZOA J16070347-6113587 GiC 16 07 03.465 -61 13 58.74           ~ 1 0
17 LEDA 3077749 AG? 16 07 50.38 -61 10 06.7           ~ 4 0
18 2MASX J16075271-6031123 GiG 16 07 52.720 -60 31 12.36           ~ 16 0
19 LEDA 3077755 G 16 08 08.6 -61 12 43           ~ 3 0
20 ZOA J16081355-6109377 GiC 16 08 13.548 -61 09 37.65           ~ 1 0
21 2MASX J16082135-6044498 G 16 08 21.3224486304 -60 44 50.082813960           ~ 1 0
22 ZOA J16083012-6039511 GiC 16 08 30.118 -60 39 51.08           ~ 1 0
23 LEDA 3077770 G 16 09 01.4 -60 52 04           ~ 4 0
24 LEDA 2793264 AG? 16 09 06.4103119368 -60 59 07.565677368           ~ 6 0
25 ZOA J16091138-6108285 GiC 16 09 11.377 -61 08 28.45           ~ 1 0
26 ZOA J16091364-6111091 GiC 16 09 13.643 -61 11 09.08           ~ 1 0
27 2MASX J16091606-6031506 GiG 16 09 16.062 -60 31 50.63           ~ 15 0
28 LEDA 2793267 AG? 16 09 19.4500 -60 40 50.439           ~ 5 0
29 ZOA J16092415-6035506 GiC 16 09 24.154 -60 35 50.63           ~ 1 0
30 LEDA 3077782 AG? 16 09 24.254 -60 42 24.71           ~ 4 0
31 ZOA J16092717-6122034 GiC 16 09 27.166 -61 22 03.35           ~ 1 0
32 ZOA J16093084-6103177 GiC 16 09 30.839 -61 03 17.65           ~ 1 0
33 LEDA 2793268 AG? 16 09 36.97 -60 27 20.7           ~ 7 0
34 2MASX J16101216-6116010 GiG 16 10 12.1366453248 -61 16 00.829757316           ~ 15 0
35 LEDA 3077803 AG? 16 10 16.26 -60 34 53.3           ~ 5 0
36 2MASX J16101706-6057321 GiG 16 10 17.0813078376 -60 57 32.554784844           ~ 16 0
37 ZOA J16101853-6102367 GiC 16 10 18.531 -61 02 36.74           ~ 1 0
38 2MASX J16102334-6102071 G 16 10 23.350 -61 02 07.17           ~ 1 0
39 ZOA J16102419-6107508 GiC 16 10 24.186 -61 07 50.80           ~ 1 0
40 LEDA 3079955 G 16 10 38.8 -61 03 20           ~ 3 0
41 2MASX J16104625-5959191 G 16 10 46.253 -59 59 19.17           ~ 1 0
42 ZOA J16104915-6000462 GiC 16 10 49.154 -60 00 46.22           ~ 1 0
43 ZOA J16105076-6021087 GiC 16 10 50.760 -60 21 08.71           ~ 1 0
44 LEDA 2793276 AG? 16 10 55.49 -60 15 58.7           ~ 6 0
45 2MASX J16105891-6055250 AG? 16 10 58.8863559654 -60 55 24.411688282           ~ 78 0
46 ZOA J16110836-6031197 GiC 16 11 08.364 -60 31 19.67           ~ 1 0
47 ZOA J16111253-6026438 GiC 16 11 12.534 -60 26 43.84           ~ 1 0
48 LEDA 2793278 AG? 16 11 32.666 -60 24 16.01           ~ 7 0
49 ZOA J16113353-6105272 GiC 16 11 33.527 -61 05 27.20           ~ 1 0
50 LEDA 3077828 AG? 16 11 34.43 -61 07 06.1           ~ 6 0
51 ESO 136-23 GiG 16 11 36.9601856832 -61 04 52.922442396           ~ 17 0
52 2MASX J16113832-6021410 G 16 11 38.328 -60 21 41.00   18.0       ~ 9 0
53 LEDA 2802021 AG? 16 11 50.720 -60 36 13.95   17.9       ~ 6 0
54 LEDA 3077833 AG? 16 11 52.17 -60 06 41.0           ~ 4 0
55 WKK98 6098 G 16 11 57.1 -61 07 53   17.1       ~ 3 0
56 [WKL2008] Norma A GrG 16 12 00.0 -61 04 40           ~ 1 0
57 ESO 136-24 GiG 16 12 11.5704719064 -60 46 59.707004052   14.6       ~ 30 0
58 ZOA J16121291-6058363 GiC 16 12 12.9 -60 58 36           ~ 2 0
59 LEDA 3077841 G 16 12 20.7 -61 51 43           ~ 3 0
60 ZOA J16122118-6113155 GiC 16 12 21.180 -61 13 15.52           ~ 1 0
61 LEDA 2802025 AG? 16 12 22.2612572712 -61 04 47.884724076   16.9       ~ 8 0
62 LEDA 3079966 AG? 16 12 26.37 -61 03 49.9   17.2       ~ 5 0
63 LEDA 3077846 AG? 16 12 40.66 -60 19 34.9           ~ 4 0
64 LEDA 2801774 AG? 16 12 42.82 -61 30 29.9           ~ 6 0
65 ZOA J16124667-6012225 GiC 16 12 46.667 -60 12 22.50           ~ 1 0
66 LEDA 2801764 AG? 16 12 50.7939854688 -60 38 36.005640144   16.5       ~ 15 0
67 2MASX J16130651-6155194 G 16 13 06.511 -61 55 19.46           ~ 3 0
68 LEDA 3077858 AG? 16 13 10.1791566456 -60 45 04.054475268   17.1       ~ 7 0
69 LEDA 3077864 AG? 16 13 25.50 -60 01 45.9           ~ 4 0
70 ESO 137-1 AG? 16 13 27.305 -60 45 50.59   14.84   13.87   ~ 132 0
71 ZOA J16133055-6143202 GiC 16 13 30.553 -61 43 20.20           ~ 1 0
72 LEDA 3077866 AG? 16 13 31.76 -60 12 26.6           ~ 4 0
73 2MASX J16133209-6100225 GiG 16 13 32.1615437736 -61 00 22.536994788   15.2       ~ 22 0
74 2MASX J16133290-6049236 GiG 16 13 32.9516555856 -60 49 23.689064352   15.6       ~ 20 0
75 2MASX J16133455-6051055 AG? 16 13 34.552 -60 51 05.60           ~ 3 0
76 ZOA J16133645-6052497 GiC 16 13 36.5 -60 52 49           ~ 2 0
77 LEDA 2801775 AG? 16 13 37.07 -61 37 26.4           ~ 3 0
78 2MASS J16133745-6027578 GiC 16 13 37.45272 -60 27 57.8304           ~ 2 0
79 2MASS J16134435-6055008 GiC 16 13 44.3396757432 -60 55 00.840894060           ~ 3 0
80 2MASX J16134598-6100295 GiG 16 13 45.9575649336 -61 00 29.277882684   14.9       ~ 16 0
81 LEDA 2793297 AG? 16 13 54.162 -61 37 56.48           ~ 9 0
82 2MASX J16135616-6100414 GiG 16 13 56.2261164144 -61 00 40.850944416   14.9       ~ 22 0
83 ESO 137-4 GiG 16 13 57.484 -60 56 24.42   14.92   13.47   ~ 25 0
84 2MASXI J1613589-604623 AG? 16 13 59.00 -60 46 23.2           ~ 3 0
85 LEDA 2801996 AG? 16 13 59.9916736008 -60 58 39.184326840   17.4       ~ 6 0
86 LEDA 2801770 AG? 16 14 02.0568514944 -60 54 05.447604636   17.1       ~ 6 0
87 ZOA J16140279-6100539 GiC 16 14 02.8 -61 00 54           ~ 2 0
88 2MASX J16140287-6029406 GiG 16 14 02.878 -60 29 40.68           ~ 17 0
89 2MASS J16140440-6046539 GiC 16 14 04.40496 -60 46 53.9148           ~ 3 0
90 LEDA 2802002 G 16 14 04.5 -61 25 21           ~ 4 1
91 2MASS J16140701-6107186 GiC 16 14 07.01208 -61 07 18.6024           ~ 3 0
92 ZOA J16140774-6049082 GiC 16 14 07.7 -60 49 08           ~ 2 0
93 ZOA J16140862-6103198 GiC 16 14 08.6 -61 03 20           ~ 2 0
94 LEDA 2793304 AG? 16 14 10.389 -60 51 00.76   16.6       ~ 16 0
95 2MASX J16141341-6105327 G 16 14 13.4360014944 -61 05 33.161607312           ~ 2 0
96 ZOA J16141612-6019042 GiC 16 14 16.116 -60 19 04.21           ~ 1 0
97 LEDA 2793305 AG? 16 14 18.0484324944 -60 53 26.126517912   17.1       ~ 10 0
98 ZOA J16141979-6104575 GiC 16 14 19.8 -61 04 58           ~ 2 0
99 ZOA J16142231-6116555 GiC 16 14 22.309 -61 16 55.45           ~ 1 0
100 ACO 3627 ClG 16 14 22.5 -60 52 07           ~ 340 2
101 2MASX J16142265-6108378 GiG 16 14 22.5808830696 -61 08 38.130718632   15.6       ~ 19 0
102 LEDA 2793309 AG? 16 14 30.5497696776 -60 53 45.995375040   16.4       ~ 12 0
103 ZOA J16143369-6054158 GiC 16 14 33.7 -60 54 16           ~ 2 0
104 ZOA J16144337-6116414 GiC 16 14 43.1 -61 16 40           ~ 2 0
105 2MASX J16144524-6101507 GiG 16 14 45.2194613568 -61 01 51.458875356   15.7       ~ 18 0
106 LEDA 2801994 AG? 16 14 45.4267454472 -60 51 41.432562252   16.8       ~ 8 0
107 2MASS J16144991-6011045 GiC 16 14 49.91424 -60 11 04.5096           ~ 2 0
108 WKK98 6264 AG? 16 14 59.72 -60 52 02.0   17.8       ~ 4 0
109 LEDA 2801995 AG? 16 14 59.99 -60 47 23.9   16.4       ~ 6 0
110 LEDA 3077895 G 16 15 02.1 -60 10 21           ~ 3 0
111 ZOA J16150234-6026435 GiC 16 15 02.339 -60 26 43.53           ~ 1 0
112 ESO 137-6 rG 16 15 03.864 -60 54 26.14   13.08 12.83 11.33   ~ 119 0
113 LEDA 3077897 AG? 16 15 07.1383758816 -60 14 27.718135764           ~ 4 0
114 2MASX J16150990-6053282 GiG 16 15 09.906 -60 53 28.20   15.3       ~ 15 0
115 2MASS J16151052-6052309 GiC 16 15 10.5288878352 -60 52 30.858459708           ~ 3 0
116 LEDA 3079981 AG? 16 15 11.4120487248 -61 12 04.975775064   18.2       ~ 5 0
117 ZOA J16151149-6055565 GiC 16 15 11.486 -60 55 56.52           ~ 1 0
118 2MASX J16151536-6056152 GiG 16 15 15.4185437088 -60 56 15.487043460   15.9       ~ 20 0
119 ZOA J16152080-6046090 GiC 16 15 20.800 -60 46 08.97           ~ 1 0
120 2MASX J16152204-6026392 G 16 15 22.0218711936 -60 26 39.371386884           ~ 3 0
121 LEDA 2801992 G 16 15 23.5 -60 52 41   17.8       ~ 5 0
122 LEDA 2801997 AG? 16 15 25.931 -61 00 22.26   17.6       ~ 6 0
123 LEDA 2793317 AG? 16 15 27.0395623632 -60 58 50.162587608   16.2       ~ 8 0
124 LEDA 2793319 AG? 16 15 28.953 -60 48 55.27   17.4       ~ 7 0
125 LEDA 2802069 AG? 16 15 29.2741735776 -60 51 03.525169356   17.4       ~ 6 0
126 ESO 137-7 rG 16 15 32.889 -60 39 55.25   13.90   12.23   ~ 33 0
127 LEDA 3077907 G 16 15 35.1 -61 52 15           ~ 3 0
128 2MASS J16153672-6056450 GiC 16 15 36.7219092336 -60 56 45.158135460           ~ 3 0
129 ESO 137-8 BiC 16 15 46.099 -60 55 07.19   12.84   11.10   ~ 51 0
130 LEDA 2793321 AG? 16 15 46.6127241840 -60 55 22.233192312   16.7       ~ 7 0
131 ESO 137-10 GiG 16 15 50.134 -60 48 11.15   12.46   11.13   ~ 49 0
132 LEDA 3077918 AG? 16 16 02.7580243176 -60 39 13.311601452   17.9       ~ 5 0
133 LEDA 2793322 AG? 16 16 04.55 -60 30 51.7   17.3       ~ 7 0
134 LEDA 3077920 AG? 16 16 05.9821759152 -60 53 10.268250900   17.5       ~ 5 0
135 2MASX J16161892-6057237 GiG 16 16 18.9316657392 -60 57 23.384077704   16.3       ~ 17 0
136 2MASX J16161936-6126448 G 16 16 19.365 -61 26 44.80           ~ 3 0
137 LEDA 3077935 AG? 16 16 23.05 -60 52 02.5   16.9       ~ 5 0
138 ZOA J16162724-6117112 GiC 16 16 27.2 -61 17 11           ~ 2 0
139 LEDA 3077942 AG? 16 16 36.59 -61 05 25.7   17.9       ~ 5 0
140 2MASX J16163693-6102457 GiG 16 16 36.940 -61 02 45.78   15.3       ~ 16 0
141 LEDA 3077943 AG? 16 16 38.350 -61 07 59.77           ~ 5 0
142 ZOA J16164674-6118379 GiC 16 16 46.8 -61 18 38           ~ 2 0
143 2MASX J16164690-6029207 G 16 16 46.9190579688 -60 29 21.081164676           ~ 1 0
144 ZOA J16165058-6130325 GiC 16 16 50.581 -61 30 32.45           ~ 1 0
145 LEDA 3077952 G 16 16 52.1 -60 49 25   17.4       ~ 5 0
146 2MASX J16165774-6042514 G 16 16 57.7003058064 -60 42 51.458271228   17.7       ~ 4 0
147 2MFGC 13078 G 16 16 59.854 -61 10 08.44           ~ 3 0
148 2MASX J16170035-6052244 GiG 16 17 00.352 -60 52 24.44   15.9       ~ 16 0
149 LEDA 3077960 G 16 17 01.2 -60 41 36   17.2       ~ 4 0
150 2MASX J16170836-6009245 G 16 17 08.364 -60 09 24.50           ~ 1 0
151 ZOA J16171748-6010219 GiC 16 17 17.475 -60 10 21.92           ~ 1 0
152 ZOA J16172029-6051531 GiC 16 17 20.4 -60 51 53           ~ 2 0
153 2MASX J16172213-6038035 GiG 16 17 22.137 -60 38 03.56   15.4       ~ 15 0
154 LEDA 3077976 G 16 17 24.9774829344 -60 37 55.246028196   17.3       ~ 4 0
155 LEDA 3077978 AG? 16 17 26.37 -60 36 26.4           ~ 5 0
156 ZOA J16172651-6116292 GiC 16 17 26.5039026840 -61 16 29.151976944           ~ 2 0
157 ZOA J16174334-6029496 GiC 16 17 43.335 -60 29 49.62           ~ 1 0
158 LEDA 3077984 AG? 16 17 43.61 -60 38 50.2   17.7       ~ 5 0
159 LEDA 3077986 AG? 16 17 53.74 -61 26 07.7           ~ 4 0
160 LEDA 2793328 AG? 16 17 54.9195827544 -61 12 58.490316000   16.4       ~ 15 0
161 2MASX J16175726-6055229 GiG 16 17 57.3258037608 -60 55 22.844326800   15.7       ~ 18 0
162 2MASX J16180351-6128019 G 16 18 03.516 -61 28 01.98           ~ 3 0
163 LEDA 3078004 AG? 16 18 10.87 -59 57 16.4           ~ 4 0
164 2MASX J16182647-6046470 GiG 16 18 26.473 -60 46 47.06           ~ 13 0
165 LEDA 3078014 AG? 16 18 33.44 -61 12 21.2           ~ 4 0
166 LEDA 2793332 AG? 16 18 41.356 -60 17 37.98           ~ 7 0
167 ZOA J16184213-6124180 GiC 16 18 42.130 -61 24 17.96           ~ 1 0
168 LEDA 3078018 G 16 18 43.2 -61 14 48           ~ 3 0
169 LEDA 3078024 AG? 16 18 48.6274728888 -61 04 47.684067888           ~ 8 0
170 2MASX J16185165-6136268 G 16 18 51.658 -61 36 26.88           ~ 3 0
171 2MASS J16190384-6111371 GiC 16 19 03.84552 -61 11 37.1652           ~ 2 0
172 LEDA 3078042 AG? 16 19 12.48 -60 36 38.4           ~ 4 0
173 2MASX J16192028-6103208 AG? 16 19 20.288 -61 03 20.84           ~ 2 0
174 LEDA 3078048 G 16 19 24.8 -60 40 03           ~ 4 0
175 ZOA J16192804-6141566 GiC 16 19 28.036 -61 41 56.58           ~ 1 0
176 LEDA 3078049 AG? 16 19 28.184 -61 14 39.83           ~ 12 0
177 LEDA 3078054 AG? 16 19 34.84 -60 32 03.0           ~ 4 0
178 2MASX J16194040-6142267 G 16 19 40.3804623648 -61 42 26.683085304           ~ 1 0
179 ZOA J16194329-6119483 GiC 16 19 43.290 -61 19 48.31           ~ 1 0
180 LEDA 3078059 AG? 16 19 45.52 -60 45 01.3           ~ 4 0
181 ZOA J16194960-6136281 GiC 16 19 49.602 -61 36 28.06           ~ 1 0
182 ZOA J16195834-6138036 GiC 16 19 58.337 -61 38 03.60           ~ 1 0
183 ZOA J16200999-6121339 GiC 16 20 09.986 -61 21 33.87           ~ 1 0
184 LEDA 3080009 AG? 16 20 13.59 -61 03 36.5           ~ 4 0
185 LEDA 2793337 AG? 16 20 13.9782374736 -60 52 04.042211232           ~ 6 0
186 2MASX J16201509-6100450 GiG 16 20 15.091 -61 00 45.00           ~ 15 0
187 ZOA J16203924-6047003 GiC 16 20 39.238 -60 47 00.30           ~ 1 0
188 2MASX J16204949-6024173 GiG 16 20 49.4357311896 -60 24 17.640825084   12.96 12.88     ~ 14 0
189 ZOA J16205123-6058285 GiC 16 20 51.233 -60 58 28.51           ~ 1 0
190 2MASX J16205221-6105164 GiG 16 20 52.218 -61 05 16.42           ~ 13 0
191 LEDA 3078103 AG? 16 21 02.07 -60 51 24.3           ~ 4 0
192 2MASX J16210615-6037085 GiG 16 21 06.1045668240 -60 37 08.553061020           ~ 14 0
193 2MASX J16211990-6046585 GiG 16 21 19.904 -60 46 58.55           ~ 13 0
194 LEDA 2793347 AG? 16 21 26.796 -61 24 42.52           ~ 8 0
195 LEDA 2793348 AG? 16 21 26.8738719792 -61 11 05.883221364           ~ 6 0
196 2MASS J16214434-6048237 GiC 16 21 44.34648 -60 48 23.7564           ~ 2 0
197 ESO 137-19 GiG 16 21 54.9198064656 -60 40 09.171193512   13.68   11.88   ~ 21 0
198 LEDA 3078143 G 16 21 58.9 -61 27 27           ~ 3 0
199 ZOA J16221077-6052570 GiC 16 22 10.765 -60 52 57.00           ~ 1 0
200 ZOA J16221230-6119245 GiC 16 22 12.297 -61 19 24.47           ~ 1 0
201 LEDA 2793350 AG? 16 22 20.398 -61 21 30.95           ~ 18 0
202 LEDA 3078153 G 16 22 21.2 -61 23 55           ~ 3 0
203 2MASX J16223484-6102138 GiG 16 22 34.8707947272 -61 02 14.013922236           ~ 14 0
204 LEDA 3078198 AG? 16 23 40.2526716312 -60 45 59.112421416           ~ 4 0
205 ACO S 805 ClG 18 47 14.4 -63 19 45           ~ 137 3
206 ACO 2667 ClG 23 51 39.37 -26 05 02.7           ~ 190 0
207 NAME Norma Wall reg ~ ~           ~ 15 0
208 NAME Cen-Cru Cluster ClG ~ ~           ~ 11 0
209 NAME Vela Star Cloud ClG ~ ~           ~ 26 0
210 NAME Local Group GrG ~ ~           ~ 9325 0

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