2017MNRAS.465.2616M

Query : 2017MNRAS.465.2616M

2017MNRAS.465.2616M - Mon. Not. R. Astron. Soc., 465, 2616-2633 (2017/March-1)

Galaxy cluster's rotation.

MANOLOPOULOU M. and PLIONIS M.

Abstract (from CDS):

We study the possible rotation of cluster galaxies, developing, testing, and applying a novel algorithm which identifies rotation, if such does exist, as well as its rotational centre, its axis orientation, rotational velocity amplitude, and, finally, the clockwise or counterclockwise direction of rotation on the plane of the sky. To validate our algorithms we construct realistic Monte Carlo mock rotating clusters and confirm that our method provides robust indications of rotation. We then apply our methodology on a sample of Abell clusters with z <= 0.1 with member galaxies selected from the Sloan Digital Sky Survey DR10 spectroscopic data base. After excluding a number of substructured clusters, which could provide erroneous indications of rotation, and taking into account the expected fraction of misidentified coherent substructure velocities for rotation, provided by our Monte Carlo simulation analysis, we find that ∼23 per cent of our clusters are rotating under a set of strict criteria. Loosening the strictness of the criteria, on the expense of introducing spurious rotation indications, we find this fraction increasing to ∼28 per cent. We correlate our rotation indicators with the cluster dynamical state, provided either by their Bautz-Morgan type or by their X-ray isophotal shape and find for those clusters showing rotation within 1.5 h–170 Mpc that the significance of their rotation is related to the dynamically younger phases of cluster formation but after the initial anisotropic accretion and merging has been completed. Finally, finding rotational modes in galaxy clusters could lead to the necessity of correcting the dynamical cluster mass calculations.

Abstract Copyright: ∼

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

VizieR on-line data: <Available at CDS (J/MNRAS/465/2616): table3.dat table4.dat table5.dat>

Simbad objects: 106

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Number of rows : 106
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 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 974 0
2 ACO 87 ClG 00 43 01 -09 47.6           ~ 46 0
3 ACO 168 ClG 01 15 07.58 +00 19 10.8           ~ 379 2
4 NAME A 1228A ClG 01 22 08.8 +34 21 06           ~ 3 0
5 ACO 257 ClG 01 49 14.77 +14 02 29.8           ~ 45 0
6 ACO 279 ClG 01 56 25.73 +01 03 22.4           ~ 54 0
7 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
8 ACO 659 ClG 08 24 04 +19 24.3           ~ 7 0
9 ACO 690 ClG 08 39 14.34 +28 48 47.0           ~ 81 0
10 ACO 724 ClG 08 58 24.12 +38 30 05.7           ~ 22 0
11 ACO 727 ClG 08 59.4 +39 22           ~ 18 0
12 ACO 957 ClG 10 14 02.35 -00 53 30.0           ~ 225 2
13 ACO 1024 ClG 10 28 22.84 +03 45 52.4           ~ 34 0
14 ACO 1035 ClG 10 32 05.91 +40 17 25.9           ~ 88 0
15 NAME ACO 1035A ClG 10 32 13.95 +40 16 16.5           ~ 5 0
16 ACO 1066 ClG 10 39 28.53 +05 11 01.2           ~ 96 1
17 ACO 1137 ClG 10 57 36 +09 36.9           ~ 6 0
18 ACO 1168 ClG 11 07 26 +15 54.8           ~ 17 0
19 ACO 1169 ClG 11 07 55.69 +43 55 41.7           ~ 45 0
20 ACO 1173 ClG 11 09 14.40 +41 32 53.8           ~ 39 0
21 ACO 1185 ClG 11 10 32.15 +28 35 50.4           ~ 271 1
22 ACO 1187 ClG 11 11 24.03 +39 35 22.2           ~ 66 0
23 ACO 1190 ClG 11 11 43.83 +40 51 43.5           ~ 145 0
24 ACO 1205 ClG 11 13 23.41 +02 30 42.8           ~ 74 0
25 ACO 1203 ClG 11 13 34.68 +40 14 01.4           ~ 36 0
26 ACO 1213 ClG 11 16 26.98 +29 16 23.9           ~ 155 0
27 ACO 1228 ClG 11 21 30.5 +34 13 21           ~ 126 1
28 ACO 1238 ClG 11 22 05.37 +00 47 03.0           ~ 91 0
29 NAME A 1228B ClG 11 22 56.5 +34 06 41           ~ 4 0
30 ACO 1235 ClG 11 23 26.10 +19 34 59.9           ~ 59 0
31 ACO 1291 ClG 11 32 11.20 +56 01 31.3           ~ 135 0
32 ACO 1307 ClG 11 32 42.59 +14 26 16.3           ~ 100 0
33 ACO 1318 ClG 11 36 13.01 +55 00 34.3           ~ 90 0
34 ACO 1346 ClG 11 41 11.24 +05 45 22.6           ~ 75 0
35 ACO 1345 ClG 11 41 11.46 +10 42 51.3           ~ 28 0
36 ACO 1358 ClG 11 42 47.0 +08 12 59           ~ 16 0
37 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
38 ACO 1371 ClG 11 45 22.19 +15 29 43.3           ~ 50 1
39 ACO 1377 ClG 11 47 18.24 +55 43 29.1           ~ 148 1
40 ACO 1385 ClG 11 47 28.04 +11 43 03.6           ~ 36 0
41 ACO 1383 ClG 11 48 06.73 +54 37 58.7           ~ 74 0
42 ACO 1408 ClG 11 53 46 +15 23.3           ~ 15 0
43 ACO 1424 ClG 11 57 30.50 +05 05 24.5           ~ 68 0
44 ACO 1436 ClG 12 00 20.04 +56 17 10.1           ~ 120 0
45 ACO 1474 ClG 12 08 11.69 +15 02 06.2           ~ 56 0
46 ACO 1516 ClG 12 18 48.82 +05 15 45.4           ~ 51 1
47 ACO 1526 ClG 12 21 56.88 +13 44 17.8           ~ 43 0
48 ACO 1541 ClG 12 27 31.49 +08 50 43.5           ~ 97 0
49 ACO 1552 ClG 12 29 46.18 +11 44 32.3           ~ 109 0
50 ACO 1650 ClG 12 58 42.0 -01 45 45           ~ 325 0
51 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
52 ACO 1658 ClG 13 01 21.05 -03 34 00.1           ~ 17 0
53 ACO 1663 ClG 13 02 52.55 -02 31 04.0           ~ 112 0
54 ACO 1668 ClG 13 04 00.60 +19 17 09.6           ~ 132 0
55 ACO 1691 ClG 13 11 11.14 +39 16 38.4           ~ 116 0
56 ACO 1749 ClG 13 29 32 +37 37.5           ~ 63 0
57 ACO 1767 ClG 13 36 06.92 +59 10 34.3           ~ 182 0
58 ACO 1775 ClG 13 41 50.60 +26 21 10.6           ~ 324 0
59 ACO 1773 ClG 13 42 22.53 +02 15 14.2           ~ 119 0
60 ACO 1780 ClG 13 44 39.38 +02 53 41.6           ~ 52 0
61 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
62 ACO 1809 ClG 13 53 07.68 +05 08 32.7           ~ 179 0
63 ACO 1827 ClG 13 58 14 +21 42.4           ~ 46 0
64 ACO 1831 ClG 13 59 19.42 +27 58 08.2           ~ 166 0
65 ACO 1864 ClG 14 08 02.64 +05 27 33.9           ~ 21 0
66 ACO 1904 ClG 14 22 13.21 +48 35 59.7           ~ 144 0
67 ACO 1913 ClG 14 26 43.42 +16 40 26.1           ~ 100 1
68 ACO 1927 ClG 14 31 06.80 +25 38 01.3           ~ 103 0
69 ACO 1939 ClG 14 37 30.4 +24 52 15           ~ 42 0
70 ACO 1983 ClG 14 52 59.33 +16 46 11.0           ~ 249 1
71 ACO 1986 ClG 14 53 08.3 +21 53 39           ~ 48 0
72 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 349 1
73 ACO 2022 ClG 15 04 18.34 +28 30 25.5           ~ 95 0
74 ACO 2028 ClG 15 09 22.16 +07 36 52.3           ~ 77 0
75 ACO 2034 ClG 15 10 03.9 +33 30 57           ~ 248 1
76 ACO 2029 ClG 15 10 54.2 +05 44 23           ~ 1020 0
77 ACO 2030 ClG 15 11 24.17 -00 04 21.4           ~ 25 0
78 ACO 2040 ClG 15 12 44.00 +07 27 34.5           ~ 144 1
79 ACO 2048 ClG 15 15 14.11 +04 23 10.4           ~ 109 0
80 ACO 2061 ClG 15 21 19.90 +30 37 13.0           ~ 214 1
81 ACO 2062 ClG 15 21 41.40 +32 07 08.8           ~ 34 0
82 ACO 2065 ClG 15 22 22.7 +27 44 20           ~ 398 0
83 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 414 2
84 ACO 2067 ClG 15 23 14 +30 54.4           ~ 111 1
85 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 165 0
86 ACO 2079 ClG 15 28 04.7 +28 52 40           ~ 138 0
87 ACO 2089 ClG 15 32 36.89 +28 02 10.1           ~ 108 0
88 ACO 2092 ClG 15 33 19.99 +31 09 12.3           ~ 130 0
89 ACO 2107 ClG 15 39 39.04 +21 46 57.8           ~ 270 0
90 ACO 2122 ClG 15 44 55.93 +36 06 05.2           ~ 243 0
91 NAME Hercules Supercluster SCG 15 47 +18.2           ~ 166 1
92 ACO 2142 ClG 15 58 26.5 +27 13 52           ~ 825 0
93 ACO 2147 ClG 16 02 11.96 +15 55 11.5           ~ 416 0
94 ACO 2151 ClG 16 05 15.0 +17 44 55           ~ 594 3
95 ACO 2152 ClG 16 05 22.4 +16 26 55           ~ 165 0
96 ACO 2175 ClG 16 20 30.70 +29 53 31.2           ~ 133 0
97 ACO 2197 ClG 16 27 48.01 +40 58 04.5           ~ 290 0
98 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1
99 ACO 2245 ClG 17 02 38.26 +33 30 10.0           ~ 66 0
100 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 301 0
101 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
102 ACO 2356 ClG 21 35 45.13 +00 11 21.1           ~ 46 0
103 ACO 2399 ClG 21 57 19.01 -07 50 57.5           ~ 197 0
104 ACO 2428 ClG 22 16 07.01 -09 20 19.5           ~ 62 0
105 ACO 2644 ClG 23 41 05 +00 05.3           ~ 41 0
106 ACO 2670 ClG 23 54 10.51 -10 23 06.8           ~ 364 0

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