2005A&A...432..381D

Query : 2005A&A...432..381D

2005A&A...432..381D - Astronomy and Astrophysics, volume 432381-394 (2005/3-3)

A VLT spectroscopic survey of RX J0152.7-1357, a forming cluster of galaxies at z = 0.837.

DEMARCO R., ROSATI P., LIDMAN C., HOMEIER N.L., SCANNAPIECO E., BENITEZ N., MAINIERI V., NONINO M., GIRARDI M., STANFORD S.A., TOZZI P., BORGANI S., SILK J., SQUIRES G. and BROADHURST T.J.

Abstract (from CDS):

We present the results of an extensive spectroscopic survey of RX J0152.7-1357, one of the most massive distant clusters of galaxies known. Multi-object spectroscopy, carried out with FORS1 and FORS2 on the ESO Very Large Telescope (VLT), has allowed us to measure more than 200 redshifts in the cluster field and to confirm 102 galaxies as cluster members. The mean redshift of the cluster is z=0.837±0.001 and we estimate the velocity dispersion of the overall cluster galaxy distribution to be ∼1600km/s. The distribution of cluster members is clearly irregular, with two main clumps that follow the X-ray cluster emission mapped by Chandra. A third clump of galaxies to the east of the central structure and at the cluster redshift has also been identified. The two main clumps have velocity dispersions of ∼919 and ∼737km/s respectively, and the peculiar velocity of the two clumps suggests that they will merge into a single more massive cluster. A segregation in the star formation activity of the member galaxies is observed. All star-forming galaxies are located outside the high-density peaks, which are populated only by passive galaxies. A population of red galaxies (belonging to the cluster red sequence) with clear post-starburst spectral features and [OII] (λ3727) emission lines is observed in the outskirts of the cluster. Two AGNs, which were previously confused with the diffuse X-ray emission from the intracluster medium in ROSAT and BeppoSAX observations, are found to be cluster members.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - techniques: spectroscopic - X-ray: galaxies: clusters - galaxies: clusters: individual: RX J0152.7-1357

VizieR on-line data: <Available at CDS (J/A+A/432/381): members.dat fields.dat>

Nomenclature: Tables 4, 5: [DRL2005] NNNNa N=102+85 among (Nos 18-3019, 26b, 1238b).

Simbad objects: 194

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Number of rows : 194
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 [DRL2005] 1513 GiC 01 52 29.88 -13 59 43.6           ~ 1 0
2 [DRL2005] 1509 GiC 01 52 30.10 -13 59 25.2           ~ 1 0
3 [DRL2005] 1536 GiC 01 52 30.38 -14 00 14.2           ~ 1 0
4 [DCL2021] Cl0152.7-1357 a EmG 01 52 30.42 -13 57 14.1           ~ 4 0
5 [DRL2005] 3013 EmG 01 52 30.91 -13 57 43.5           ~ 3 0
6 [DRL2005] 3012 GiC 01 52 31.26 -13 58 11.1           ~ 1 0
7 [DRL2005] 3011 GiC 01 52 31.52 -13 58 44.7           ~ 1 0
8 [DRL2005] 1512 GiC 01 52 31.67 -13 59 38.4           ~ 1 0
9 [DRL2005] 1502 GiC 01 52 31.82 -13 57 59.2           ~ 1 0
10 [DRL2005] 1514 GiC 01 52 32.49 -14 00 29.4           ~ 2 0
11 [DRL2005] 1497 GiC 01 52 33.83 -13 59 46.7           ~ 1 0
12 [DRL2005] 1505 GiC 01 52 33.94 -14 00 04.3           ~ 1 0
13 [DRL2005] 1496 GiC 01 52 34.49 -13 58 41.8           ~ 5 0
14 CXOMP J015234.7-135929 Sy1 01 52 34.7 -13 59 29   20.92   19.80   ~ 8 0
15 [DRL2005] 161 EmG 01 52 34.82 -13 59 46.9           ~ 3 0
16 [DRL2005] 1000 GiC 01 52 34.95 -13 54 56.1           ~ 1 0
17 [DRL2005] 1523 GiC 01 52 35.02 -14 00 50.8           ~ 1 0
18 [DRL2005] 184 EmG 01 52 35.03 -13 59 42.0           ~ 3 0
19 [DRL2005] 805 GiC 01 52 35.14 -13 57 36.5           ~ 2 0
20 [DRL2005] 396 GiC 01 52 35.16 -13 58 39.9           ~ 2 0
21 [DRL2005] 144 EmG 01 52 35.19 -13 59 47.8           ~ 3 0
22 [DRL2005] 291 GiC 01 52 35.75 -13 59 10.9           ~ 2 0
23 [DRL2005] 511 GiC 01 52 35.75 -13 58 07.5           ~ 2 0
24 [DRL2005] 1075 GiC 01 52 35.86 -13 55 31.0           ~ 1 0
25 [DRL2005] 1525 GiC 01 52 35.87 -14 00 32.7           ~ 1 0
26 [DRL2005] 1367 GiC 01 52 35.97 -13 56 30.1           ~ 2 0
27 [DRL2005] 1226 GiC 01 52 36.01 -13 56 03.2           ~ 2 0
28 [DRL2005] 994 GiC 01 52 36.04 -13 55 19.4           ~ 1 0
29 [DRL2005] 1239 GiC 01 52 36.10 -13 56 05.7           ~ 3 0
30 [DRL2005] 551 EmG 01 52 36.17 -13 57 47.5           ~ 6 0
31 [DRL2005] 283 GiC 01 52 36.23 -13 59 15.0           ~ 1 0
32 [DRL2005] 1524 GiC 01 52 36.44 -14 00 52.9           ~ 1 0
33 [DRL2005] 83 GiC 01 52 37.02 -14 00 05.9           ~ 1 0
34 [DRL2005] 67 EmG 01 52 37.06 -14 00 08.6           ~ 2 0
35 [DRL2005] 324 GiC 01 52 37.27 -13 58 52.7           ~ 1 0
36 [DRL2005] 975 GiC 01 52 37.32 -13 54 54.1           ~ 1 0
37 [DRL2005] 650 EmG 01 52 37.33 -13 56 33.4           ~ 4 0
38 [DRL2005] 394 EmG 01 52 37.35 -13 58 33.0           ~ 3 0
39 [DRL2005] 1172 GiC 01 52 37.42 -13 55 47.2           ~ 2 0
40 [DRL2005] 859 GiC 01 52 37.54 -13 54 26.2           ~ 2 0
41 [DRL2005] 1131 EmG 01 52 37.55 -13 55 38.1           ~ 3 0
42 [DRL2005] 1238 GiC 01 52 37.74 -13 56 05.5           ~ 1 0
43 [DRL2005] 1207 GiC 01 52 37.80 -13 56 19.4           ~ 1 0
44 [DCL2021] Cl0152.7-1357 c EmG 01 52 37.88 -13 56 09.1           ~ 4 0
45 [DRL2005] 1268 GiC 01 52 37.96 -13 56 20.2           ~ 1 0
46 [DRL2005] 344 GiC 01 52 37.99 -13 58 54.8           ~ 2 0
47 [DRL2005] 1258 EmG 01 52 38.02 -13 56 25.8           ~ 3 0
48 [DRL2005] 1256 GiC 01 52 38.060 -13 56 25.50           ~ 2 0
49 [DRL2005] 122 GiC 01 52 38.20 -13 59 57.0           ~ 1 0
50 [DCL2021] Cl0152.7-1357 d EmG 01 52 38.22 -13 55 38.6           ~ 4 0
51 [DRL2005] 1338 GiC 01 52 38.48 -13 56 31.1           ~ 2 0
52 [DRL2005] 347 EmG 01 52 38.61 -13 58 54.6           ~ 3 0
53 [DRL2005] 241 GiC 01 52 38.65 -13 59 20.7           ~ 5 0
54 [DRL2005] 200 GiC 01 52 38.81 -13 59 30.7           ~ 1 0
55 [DRL2005] 418 GiC 01 52 38.88 -13 58 31.2           ~ 2 0
56 [DRL2005] 799 GiC 01 52 39.01 -13 54 46.0           ~ 1 0
57 [DRL2005] 456 GiC 01 52 39.03 -13 58 16.0           ~ 1 0
58 [DRL2005] 411 GiC 01 52 39.25 -13 58 31.6           ~ 1 0
59 [DRL2005] 295 EmG 01 52 39.38 -13 59 04.2           ~ 3 0
60 [DRL2005] 1526 GiC 01 52 39.39 -14 00 59.0     24.24 23.22   ~ 2 0
61 [DRL2005] 509 GiC 01 52 39.41 -13 58 06.0           ~ 3 0
62 [DRL2005] 498 GiC 01 52 39.47 -13 58 07.8           ~ 2 0
63 [DRL2005] 1146 EmG 01 52 39.64 -13 55 45.9           ~ 4 0
64 [DRL2005] 332 GiC 01 52 39.65 -13 58 56.1           ~ 5 0
65 [EJP2000] F GiC 01 52 39.67 -13 58 25.8           ~ 4 0
66 [DRL2005] 3001 GiC 01 52 39.69 -13 57 41.9           ~ 1 0
67 [DRL2005] 270 EmG 01 52 39.72 -13 59 14.2           ~ 3 0
68 [DRL2005] 557 AGN 01 52 39.78 -13 57 40.1           ~ 3 0
69 [EJP2000] E GiC 01 52 39.82 -13 58 23.8           ~ 5 0
70 [DRL2005] 424 GiC 01 52 39.86 -13 58 30.6           ~ 1 0
71 [DRL2005] 234 EmG 01 52 39.87 -13 59 17.2           ~ 3 0
72 [DRL2005] 267 EmG 01 52 39.91 -13 59 18.9           ~ 3 0
73 [DRL2005] 598 GiC 01 52 39.93 -13 57 41.3           ~ 2 0
74 [DRL2005] 382 GiC 01 52 40.00 -13 58 47.8           ~ 1 0
75 [DRL2005] 986 GiC 01 52 40.17 -13 54 51.6           ~ 1 0
76 [DRL2005] 327 EmG 01 52 40.20 -13 58 58.6           ~ 3 0
77 [DRL2005] 513 GiC 01 52 40.25 -13 58 04.4           ~ 2 0
78 [DRL2005] 455 GiC 01 52 40.34 -13 58 22.4           ~ 4 0
79 [DRL2005] 477 GiC 01 52 40.41 -13 58 11.7           ~ 2 0
80 [DRL2005] 397 GiC 01 52 40.45 -13 58 37.7           ~ 2 0
81 [DRL2005] 468 GiC 01 52 40.64 -13 58 14.4           ~ 3 0
82 [DRL2005] 895 GiC 01 52 40.89 -13 54 31.8           ~ 3 0
83 [DRL2005] 63 G 01 52 40.92 -14 00 09.8           ~ 2 0
84 [DRL2005] 113 GiC 01 52 41.17 -13 59 56.8           ~ 2 0
85 [DRL2005] 377 EmG 01 52 41.19 -13 58 42.5           ~ 3 0
86 [DRL2005] 1370 GiC 01 52 41.24 -13 56 40.9           ~ 1 0
87 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3
88 [DRL2005] 817 GiC 01 52 41.41 -13 57 40.1           ~ 1 0
89 [DRL2005] 18 EmG 01 52 41.55 -14 00 26.1           ~ 3 0
90 [DRL2005] 898 EmG 01 52 41.60 -13 54 30.5           ~ 3 0
91 [DRL2005] 889 GiC 01 52 41.67 -13 54 29.1           ~ 2 0
92 [DRL2005] 773 GiC 01 52 41.75 -13 57 28.0           ~ 1 0
93 [DRL2005] 1006 EmG 01 52 41.76 -13 55 03.9           ~ 3 0
94 [DRL2005] 1443 GiC 01 52 41.77 -13 57 02.8           ~ 1 0
95 [DRL2005] 547 GiC 01 52 41.78 -13 57 57.2           ~ 2 0
96 [DRL2005] 491 GiC 01 52 41.82 -13 58 12.9           ~ 4 0
97 [DRL2005] 129 GiC 01 52 41.86 -13 59 51.4           ~ 2 0
98 [DRL2005] 46 GiC 01 52 41.88 -14 00 07.3           ~ 1 0
99 [DRL2005] 85 GiC 01 52 41.89 -13 59 53.9           ~ 2 0
100 [DRL2005] 365 GiC 01 52 41.90 -13 58 38.6           ~ 1 0
101 [DRL2005] 466 GiC 01 52 42.07 -13 58 20.7           ~ 1 0
102 [DRL2005] 1461 GiC 01 52 42.12 -13 57 15.5           ~ 1 0
103 [DRL2005] 457 GiC 01 52 42.15 -13 58 19.2           ~ 1 0
104 [DRL2005] 571 GiC 01 52 42.38 -13 57 49.6           ~ 4 0
105 [DCL2021] Cl0152.7-1357 e GiC 01 52 42.51 -13 56 19.6           ~ 7 0
106 [DRL2005] 91 GiC 01 52 42.77 -13 59 56.3           ~ 1 0
107 [DCL2021] Cl0152.7-1357 f GiC 01 52 42.82 -13 57 53.7           ~ 6 0
108 [DRL2005] 1453 GiC 01 52 42.88 -13 57 22.9           ~ 1 0
109 [DRL2005] 968 GiC 01 52 42.90 -13 54 47.7           ~ 1 0
110 [DRL2005] 1454 GiC 01 52 42.91 -13 57 25.2           ~ 2 0
111 [DRL2005] 1442 GiC 01 52 42.92 -13 57 33.6           ~ 6 0
112 [DRL2005] 1452 GiC 01 52 43.08 -13 57 23.3           ~ 1 0
113 [DRL2005] 97 GiC 01 52 43.08 -14 00 01.6           ~ 2 0
114 [DRL2005] 445 GiC 01 52 43.09 -13 58 21.8           ~ 2 0
115 [DRL2005] 3003 GiC 01 52 43.16 -13 57 14.8           ~ 1 0
116 [DRL2005] 1465 GiC 01 52 43.30 -13 57 25.3           ~ 2 0
117 [DRL2005] 626 GiC 01 52 43.32 -13 55 41.9           ~ 2 0
118 [DRL2005] 319 GiC 01 52 43.37 -13 59 03.1           ~ 1 0
119 [DRL2005] 1463 GiC 01 52 43.41 -13 57 24.2           ~ 1 0
120 [DRL2005] 1192 GiC 01 52 43.47 -13 55 55.0           ~ 1 0
121 [DRL2005] 688 GiC 01 52 43.53 -13 56 54.7           ~ 2 0
122 [DRL2005] 538 GiC 01 52 43.55 -13 57 59.0           ~ 1 0
123 [DRL2005] 1125 GiC 01 52 43.55 -13 55 30.5           ~ 1 0
124 [DRL2005] 1151 GiC 01 52 43.55 -13 55 51.2           ~ 2 0
125 [DRL2005] 177 GiC 01 52 43.56 -13 59 38.6           ~ 2 0
126 [DRL2005] 1225 GiC 01 52 43.61 -13 56 01.5           ~ 2 0
127 [DRL2005] 1450 GiC 01 52 43.74 -13 57 24.9           ~ 1 0
128 [DRL2005] 1222 GiC 01 52 43.77 -13 56 02.7           ~ 1 0
129 [OOP2020] CL J0152.7-1357 BCG BiC 01 52 43.7842 -13 57 18.558           ~ 4 0
130 [EJP2000] C GiC 01 52 43.79 -13 57 18.4           ~ 4 0
131 [VV2006] J015243.8-135900 QSO 01 52 43.8050644248 -13 59 01.290771780   20.96   20.84   ~ 10 0
132 [DRL2005] 595 GiC 01 52 44.07 -13 57 46.0           ~ 2 0
133 [DRL2005] 841 GiC 01 52 44.11 -13 57 47.2           ~ 1 0
134 [DRL2005] 1532 EmG 01 52 44.14 -14 00 38.6           ~ 3 0
135 [DRL2005] 1184 GiC 01 52 44.47 -13 55 52.0           ~ 2 0
136 [DRL2005] 663 GiC 01 52 44.79 -13 56 37.1           ~ 2 0
137 [DRL2005] 648 GiC 01 52 44.91 -13 56 34.1           ~ 2 0
138 [DRL2005] 701 GiC 01 52 44.94 -13 57 02.7           ~ 4 0
139 [DRL2005] 1495 GiC 01 52 45.05 -13 57 01.3           ~ 1 0
140 [DRL2005] 47 EmG 01 52 45.54 -14 00 15.3           ~ 3 0
141 [DRL2005] 654 GiC 01 52 45.57 -13 56 38.3           ~ 4 0
142 [DRL2005] 1386 GiC 01 52 45.68 -13 56 43.9           ~ 4 0
143 [DRL2005] 679 GiC 01 52 45.79 -13 56 57.7           ~ 2 0
144 [DRL2005] 3019 GiC 01 52 45.96 -13 54 17.1           ~ 1 0
145 [DRL2005] 1097 GiC 01 52 46.00 -13 55 22.9           ~ 1 0
146 [DRL2005] 769 GiC 01 52 46.21 -13 57 27.5           ~ 1 0
147 [DRL2005] 1329 GiC 01 52 46.69 -13 56 29.2           ~ 1 0
148 [DRL2005] 868 EmG 01 52 46.81 -13 54 29.1           ~ 3 0
149 [DRL2005] 594 GiC 01 52 47.22 -13 57 44.1           ~ 1 0
150 [DRL2005] 204 EmG 01 52 47.32 -13 59 26.1           ~ 3 0
151 [DRL2005] 1529 GiC 01 52 47.48 -14 00 51.8           ~ 1 0
152 [DRL2005] 913 GiC 01 52 47.53 -13 54 41.4           ~ 1 0
153 [DRL2005] 1528 GiC 01 52 47.59 -14 00 56.5           ~ 1 0
154 [DRL2005] 1123 GiC 01 52 47.90 -13 55 42.0           ~ 1 0
155 [DRL2005] 1099 GiC 01 52 47.91 -13 55 29.4           ~ 2 0
156 [DRL2005] 909 GiC 01 52 48.19 -13 54 39.4           ~ 1 0
157 [DRL2005] 26 GiC 01 52 48.29 -14 00 24.0           ~ 1 0
158 [DRL2005] 26b EmG 01 52 48.29 -14 00 24.0           ~ 3 0
159 [DRL2005] 248 EmG 01 52 48.33 -13 59 21.6           ~ 3 0
160 [DRL2005] 258 GiC 01 52 49.41 -13 58 31.2           ~ 2 0
161 [DRL2005] 306 EmG 01 52 49.66 -13 58 28.0           ~ 4 0
162 [DRL2005] 1070 GiC 01 52 49.86 -13 55 16.8           ~ 1 0
163 [DRL2005] 945 GiC 01 52 50.23 -13 54 41.9           ~ 1 0
164 [DRL2005] 931 GiC 01 52 50.43 -13 57 11.6     24.68 23.53   ~ 3 0
165 [DRL2005] 1260 GiC 01 52 50.61 -13 56 12.4           ~ 1 0
166 [DRL2005] 1079 GiC 01 52 50.70 -13 55 21.7           ~ 1 0
167 [DRL2005] 865 GiC 01 52 50.76 -13 55 26.8           ~ 1 0
168 [DRL2005] 1499 GiC 01 52 50.88 -13 57 30.1     24.54 23.51   ~ 3 0
169 [DRL2005] 543 GiC 01 52 50.91 -13 57 52.9           ~ 2 0
170 [DRL2005] 1530 EmG 01 52 50.99 -14 00 20.7           ~ 3 0
171 [DRL2005] 1061 GiC 01 52 51.02 -13 55 15.8           ~ 1 0
172 [DRL2005] 1534 GiC 01 52 51.04 -13 58 05.2           ~ 1 0
173 [DRL2005] 1518 GiC 01 52 51.05 -13 57 29.8     22.13 20.91   ~ 2 0
174 [DRL2005] 1500 GiC 01 52 51.05 -13 57 27.5           ~ 2 0
175 [DRL2005] 619 GiC 01 52 51.33 -13 55 39.8           ~ 1 0
176 [DRL2005] 131 GiC 01 52 51.91 -13 58 16.4           ~ 2 0
177 [DRL2005] 1501 GiC 01 52 51.92 -13 58 15.3           ~ 2 0
178 [DRL2005] 812 GiC 01 52 52.26 -13 57 40.1           ~ 1 0
179 [DRL2005] 1350 GiC 01 52 52.66 -13 56 38.2           ~ 1 0
180 [DRL2005] 1290 EmG 01 52 52.72 -13 56 22.7           ~ 3 0
181 [DRL2005] 970 GiC 01 52 52.73 -13 54 55.1           ~ 1 0
182 [DRL2005] 432 GiC 01 52 52.75 -13 58 23.8           ~ 2 0
183 [DRL2005] 125 EmG 01 52 52.93 -13 59 53.1           ~ 3 0
184 [DRL2005] 960 GiC 01 52 53.47 -13 54 49.3           ~ 1 0
185 [DRL2005] 1527 GiC 01 52 53.68 -13 56 19.2           ~ 1 0
186 [DRL2005] 3017 GiC 01 52 54.03 -13 55 40.4           ~ 1 0
187 [DRL2005] 3016 GiC 01 52 54.72 -13 56 09.0           ~ 1 0
188 [DRL2005] 3015 GiC 01 52 55.71 -13 56 49.5           ~ 2 0
189 ClG J0848+4453 ClG 08 48 34.800 +44 53 41.90           ~ 124 1
190 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 458 0
191 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
192 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
193 ClG 1603+4313 ClG 16 04 23.7 +43 04 52           ~ 134 1
194 ClG J1716+6708 ClG 17 16 49.6 +67 08 30           ~ 137 0

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