2009MNRAS.395....2P

Query : 2009MNRAS.395....2P

2009MNRAS.395....2P - Mon. Not. R. Astron. Soc., 395, 2-10 (2009/May-1)

Richness dependence of the recent evolution of clusters of galaxies.

PLIONIS M., TOVMASSIAN H.M. and ANDERNACH H.

Abstract (from CDS):

We revisit the issue of the recent dynamical evolution of clusters of galaxies using a sample of Abell, Corwin & Olowin (ACO) clusters with z < 0.14, which has been selected such that it does not contain clusters with multiple velocity components nor strongly merging or interacting clusters, as revealed in X-rays. We use as proxies of the cluster dynamical state the projected cluster ellipticity, velocity dispersion and X-ray luminosity. We find indications for a recent dynamical evolution of this cluster population, which however strongly depends on the cluster richness. Poor clusters appear to be undergoing their primary phase of virialization, with their ellipticity increasing with redshift with a rate dε/dz ≃ 2.5±0.4, while the richest clusters show an ellipticity evolution in the opposite direction (with dε/dz ≃ -1.2±0.1), which could be due to secondary infall. When taking into account sampling effects due to the magnitude-limited nature of the ACO cluster catalogue we find no significant evolution of the cluster X-ray luminosity, while the velocity dispersion increases with decreasing redshift, independent of the cluster richness, at a rate dσv/dz ≃ -1700±400km/s.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): galaxies: clusters: general - galaxies: evolution

Simbad objects: 169

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Number of rows : 169
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 2700 ClG 00 03 49.7 +02 03 59           ~ 89 0
2 ACO 13 ClG 00 13 38.5 -19 30 19           ~ 100 1
3 ACO 14 ClG 00 15 13 -23 53.3           ~ 72 1
4 ACO 16 ClG 00 16 46 +06 44.7           ~ 31 0
5 ACO 21 ClG 00 20 38.75 +28 41 40.5           ~ 106 0
6 ACO 23 ClG 00 21 45 -00 53.4           ~ 21 0
7 ACO 27 ClG 00 24 52.8 -20 40 45           ~ 34 0
8 ACO 76 ClG 00 40 16.1031 +06 52 46.226           ~ 132 2
9 ACO 77 ClG 00 40 34.2 +29 31 27           ~ 73 0
10 ACO 84 ClG 00 41 36.85 +21 24 25.7           ~ 63 0
11 ACO 95 ClG 00 45 50.17 -00 51 38.5           ~ 24 0
12 ACO 114 ClG 00 53 39 -21 40.7           ~ 67 0
13 ACO 112 ClG 00 53 39 -00 47.7           ~ 15 0
14 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 555 2
15 ACO 126 ClG 00 59 47 -14 12.8           ~ 37 0
16 ACO 147 ClG 01 08 10 +02 10.0           ~ 112 0
17 ACO 150 ClG 01 09 14 +13 10.0           ~ 55 0
18 ACO 2877 ClG 01 09 49.3 -45 54 02           ~ 146 2
19 ACO 193 ClG 01 25 07.3 +08 41 36           ~ 186 0
20 ACO 195 ClG 01 26 54.5 +19 12 42           ~ 83 0
21 ACO 260 ClG 01 50 46.811 +33 04 22.17           ~ 65 0
22 ACO 272 ClG 01 55 19.1 +33 56 41           ~ 59 0
23 ACO 367 ClG 02 36 36.0 -19 22 16           ~ 50 0
24 ACO 376 ClG 02 45 48 +36 51.6           B8.5 153 1
25 ACO 389 ClG 02 51 24.74 -24 56 39.5           ~ 65 0
26 ACO 400 ClG 02 57 37.4 +06 00 45           ~ 399 3
27 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 396 0
28 ACO 401 ClG 02 58 56.9 +13 34 56           ~ 566 0
29 ACO 415 ClG 03 06 47 -12 02.5           ~ 63 0
30 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2257 1
31 ACO S 463 ClG 04 29 13.4 -53 44 02           ~ 48 0
32 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 410 0
33 ACO 496 ClG 04 33 38.8 -13 15 59           ~ 694 2
34 ACO 505 ClG 05 00 12 +80 00.6           ~ 50 0
35 ACO 539 ClG 05 16 35.1 +06 27 14           ~ 249 2
36 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 305 0
37 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 209 0
38 ACO 568 ClG 07 07 37 +35 05.1           ~ 53 0
39 ACO 655 ClG 08 25 16.12 +47 09 34.2           ~ 107 0
40 ACO 724 ClG 08 58 24.12 +38 30 05.7           ~ 22 0
41 ACO 727 ClG 08 59.4 +39 22           ~ 18 0
42 ACO 754 ClG 09 09 08.4 -09 39 58           ~ 666 1
43 ACO 779 ClG 09 20 02.70 +33 45 29.7           ~ 253 0
44 ACO 838 ClG 09 37 10.7 -04 57 08           ~ 50 1
45 ACO 858 ClG 09 43 25.57 +05 54 57.2           ~ 36 0
46 ACO 879 ClG 09 50.9 +28 50           ~ 11 0
47 ACO 979 ClG 10 20 19.8 -07 53 37           ~ 46 1
48 ACO 999 ClG 10 23 22.1 +12 51 48           ~ 91 1
49 ACO 1016 ClG 10 27.0 +10 59           ~ 82 1
50 ACO 1033 ClG 10 31 39.78 +35 05 34.4           ~ 82 0
51 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 840 1
52 ACO 1066 ClG 10 39 28.53 +05 11 01.2           ~ 92 1
53 ACO 1100 ClG 10 48 35.63 +22 14 59.2           ~ 47 0
54 ACO 1139 ClG 10 58 01.63 +01 38 05.4           ~ 156 3
55 ACO 1149 ClG 11 02 58.00 +07 36 10.0           ~ 41 0
56 ACO 1168 ClG 11 07 26 +15 54.8           ~ 17 0
57 ACO 1169 ClG 11 07 55.92 +43 55 07.8           ~ 43 0
58 ACO 1173 ClG 11 09 14.40 +41 32 53.8           ~ 37 0
59 ACO 1187 ClG 11 11 24.03 +39 35 22.2           ~ 65 0
60 ACO 1190 ClG 11 11 43.83 +40 51 43.5           ~ 131 0
61 ACO 1205 ClG 11 13 23.41 +02 30 42.8           ~ 71 0
62 ACO 1213 ClG 11 16 26.98 +29 16 23.9           ~ 151 0
63 ACO 1225 ClG 11 21 19 +53 45.6           ~ 30 0
64 ACO 1235 ClG 11 23 26.10 +19 34 59.9           ~ 55 0
65 ACO 1270 ClG 11 29 08.84 +54 06 55.4           ~ 51 0
66 ACO 1307 ClG 11 32 42.59 +14 26 16.3           ~ 87 0
67 ACO 1314 ClG 11 34 53.0 +49 05 18           ~ 218 1
68 ACO 1317 ClG 11 35 17.2 -13 31 08           ~ 40 0
69 ACO 1318 ClG 11 36 13.01 +55 00 34.3           ~ 86 0
70 ACO 1324 ClG 11 37 08 +57 05.4           ~ 9 0
71 ACO 1341 ClG 11 40 34 +10 23.4           ~ 17 0
72 ACO 1344 ClG 11 40 50 -10 43.6           ~ 23 0
73 ACO 1346 ClG 11 41 11.24 +05 45 22.6           ~ 71 0
74 ACO 1364 ClG 11 43 39.67 -01 44 41.8           ~ 61 0
75 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1076 1
76 ACO 1371 ClG 11 45 22.19 +15 29 43.3           ~ 49 1
77 ACO 1377 ClG 11 47 18.24 +55 43 29.1           ~ 143 1
78 ACO 1380 ClG 11 47.4 +25 28           ~ 19 0
79 ACO 1383 ClG 11 48 06.73 +54 37 58.7           ~ 72 0
80 ACO 1407 ClG 11 53 30.89 -01 44 04.4           ~ 22 0
81 ACO 1412 ClG 11 56 04.3 +73 25 05           ~ 64 0
82 ACO 1424 ClG 11 57 30.50 +05 05 24.5           ~ 65 0
83 ACO 1436 ClG 12 00 20.04 +56 17 10.1           ~ 116 0
84 ACO 1448 ClG 12 02 55.1416 -06 51 29.849           ~ 26 0
85 ACO 1452 ClG 12 03 32.23 +51 43 34.9           ~ 77 0
86 ACO 1468 ClG 12 05 14.00 +51 26 21.0           ~ 55 0
87 ACO 1474 ClG 12 08 11.69 +15 02 06.2           ~ 56 0
88 ACO 1496 ClG 12 13 35.838 +59 21 10.99           ~ 41 0
89 ACO 1520 ClG 12 19 19.8 -13 15 36           ~ 20 0
90 ACO 1541 ClG 12 27 31.49 +08 50 43.5           ~ 95 0
91 ACO 1552 ClG 12 29 46.18 +11 44 32.3           ~ 99 0
92 ACO 1620 ClG 12 50 03.89 -01 32 26.7           ~ 54 0
93 ACO 1630 ClG 12 52 03.13 +04 34 28.5           ~ 44 0
94 ACO 3528 ClG 12 54 18.2 -29 01 16           ~ 157 1
95 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 366 1
96 ACO 3532 ClG 12 57 19.2 -30 22 13           ~ 168 2
97 ACO 1650 ClG 12 58 42.0 -01 45 45           ~ 304 0
98 ACO 1651 ClG 12 59 22.43 -04 11 47.1           ~ 290 0
99 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4800 2
100 ACO 1668 ClG 13 04 00.60 +19 17 09.6           ~ 117 0
101 ACO 1691 ClG 13 11 11.14 +39 16 38.4           ~ 105 0
102 ACO 1738 ClG 13 25 18.98 +57 35 25.9           ~ 43 0
103 ACO 1750 ClG 13 30 50.44 -01 51 27.1           ~ 178 2
104 ACO 1764 ClG 13 34 41 +59 54.7           ~ 19 0
105 ACO 1767 ClG 13 36 06.92 +59 10 34.3           ~ 172 0
106 ACO 1783 ClG 13 43 39.27 +55 37 53.5           ~ 44 0
107 ACO 1784 ClG 13 45 24.6 +05 45 26           ~ 16 0
108 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 284 2
109 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1267 0
110 ACO 1800 ClG 13 49 27.19 +28 04 44.6           ~ 116 0
111 ACO 1827 ClG 13 58 14 +21 42.4           ~ 46 0
112 ACO 1828 ClG 13 58 22 +18 23.4           ~ 34 0
113 ACO 1837 ClG 14 01 36.2 -11 07 48           ~ 104 0
114 ACO 1890 ClG 14 17 41.62 +08 13 06.4           ~ 87 0
115 ACO 1904 ClG 14 22 13.21 +48 35 59.7           ~ 134 0
116 ACO 1913 ClG 14 26 43.42 +16 40 26.1           ~ 97 1
117 ACO 1927 ClG 14 31 06.80 +25 38 01.3           ~ 99 0
118 ACO 1930 ClG 14 32 42.6 +31 34 07           ~ 59 0
119 ACO 1986 ClG 14 53 08.3 +21 53 39           ~ 46 0
120 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 330 1
121 ACO 2022 ClG 15 04 18.34 +28 30 25.5           ~ 92 0
122 ACO 2026 ClG 15 08 26.06 -00 16 14.4           ~ 52 0
123 ACO 2048 ClG 15 15 14.11 +04 23 10.4           ~ 102 0
124 ACO 2052 ClG 15 16 41.64 +07 01 45.5           ~ 730 1
125 ACO 2062 ClG 15 21 41.40 +32 07 08.8           ~ 34 0
126 ACO 2065 ClG 15 22 29.3 +27 42 22           ~ 374 0
127 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 143 0
128 ACO 2089 ClG 15 32 36.89 +28 02 10.1           ~ 106 0
129 ACO 2092 ClG 15 33 19.99 +31 09 12.3           ~ 128 0
130 ACO 2107 ClG 15 39 39.04 +21 46 57.8           ~ 253 0
131 ACO 2110 ClG 15 39 39.82 +30 42 27.9           ~ 78 0
132 ACO 2122 ClG 15 44 55.93 +36 06 05.2           ~ 229 0
133 ACO 2142 ClG 15 58 14.38 +27 12 57.8           ~ 768 0
134 ACO 2147 ClG 16 02 11.96 +15 55 11.5           ~ 403 0
135 ACO 2148 ClG 16 03 18.31 +25 23 21.3           ~ 57 0
136 ACO 2151 ClG 16 05 15.0 +17 44 55           ~ 578 3
137 ACO 2175 ClG 16 20 30.70 +29 53 31.2           ~ 118 0
138 ACO 2199 ClG 16 28 43.31 +39 34 07.6           ~ 1171 1
139 ACO 2247 ClG 16 47 22 +81 34.0           ~ 58 0
140 ACO 2245 ClG 17 02 38.26 +33 30 10.0           ~ 64 0
141 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 281 0
142 ACO 2256 ClG 17 03 09.4 +78 39 36           ~ 885 1
143 ACO 2250 ClG 17 11.0 +39 41           ~ 68 0
144 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 568 0
145 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 627 1
146 ACO 3716 ClG 20 51 16.7 -52 41 43           ~ 115 1
147 ACO 2372 ClG 21 45 04.8 -19 56 17           ~ 42 0
148 ACO 2377 ClG 21 45 56.4 -10 06 33           ~ 54 0
149 ACO 2382 ClG 21 51 57.2984 -15 36 48.067           ~ 118 0
150 ACO 2384 ClG 21 52 20.9 -19 32 53           ~ 109 0
151 ACO 2401 ClG 21 58 22.6 -20 06 13           ~ 69 0
152 ACO 2410 ClG 22 02 03 -09 53.5           ~ 60 0
153 ACO 2415 ClG 22 05 25.0 -05 35 23           ~ 115 1
154 ACO 2420 ClG 22 10 22.5 -12 11 13           ~ 114 0
155 ACO 2448 ClG 22 32 00.59 -08 25 29.5           ~ 43 0
156 ACO 2457 ClG 22 35 40.30 +01 31 33.6           ~ 132 0
157 ACO 2459 ClG 22 36 34 -15 39.4           ~ 34 0
158 ACO 2529 ClG 23 06 21.35 -13 15 52.6           ~ 18 0
159 ACO 2554 ClG 23 12 20.0 -21 29 50           ~ 94 1
160 ACO 2569 ClG 23 17 54 -12 51.6           ~ 31 0
161 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 316 1
162 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 539 0
163 ACO 2634 ClG 23 38 18.4 +27 01 37           ~ 503 2
164 ACO 2637 ClG 23 38 57.80 +21 25 55.2           ~ 37 0
165 ACO 2657 ClG 23 44 51.0 +09 08 40           ~ 269 3
166 ACO 2666 ClG 23 50 56.2 +27 08 41           ~ 204 0
167 ACO 2670 ClG 23 54 10.51 -10 23 06.8           ~ 352 0
168 ACO 4059 ClG 23 57 02.2 -34 45 58           ~ 380 1
169 ACO 2686 ClG 23 59.4 -20 48           ~ 32 1

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