CDS

2003A&A...397..431M

Query : 2003A&A...397..431M

2003A&A...397..431M - Astronomy and Astrophysics, volume 397, 431-443 (2003/1-2)

Structure and evolution of galaxy clusters: Internal dynamics of ABCG209 at z∼0.21.

MERCURIO A., GIRARDI M., BOSCHIN W., MERLUZZI P. and BUSARELLO G.

Abstract (from CDS):

We study the internal dynamics of the rich galaxy cluster ABGC209 on the basis of new spectroscopic and photometric data. The distribution in redshift shows that ABCG209 is a well isolated peak of 112 detected member galaxies at z=0.209, characterised by a high value of the line-of-sight velocity dispersion, σv=1250-1400km/s, on the whole observed area (1h–1Mpc from the cluster center), that leads to a virial mass of M=1.6-2.2x1015h–1M☉ within the virial radius, assuming the dynamical equilibrium. The presence of a velocity gradient in the velocity field, the elongation in the spatial distribution of the colour-selected likely cluster members, the elongation of the X-ray contour levels in the Chandra image, and the elongation of cD galaxy show that ABCG209 is characterised by a preferential NW-SE direction. We also find a significant deviation of the velocity distribution from a Gaussian, and relevant evidence of substructure and dynamical segregation. All these facts show that ABCG209 is a strongly evolving cluster, possibly in an advanced phase of merging.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: ABCG209 - galaxies: distances and redshifts - intergalactic medium - cosmology: observations

VizieR on-line data: <Available at CDS (J/A+A/397/431): table1.dat>

Nomenclature: Table 1: [MGB2003] NNN (Nos 1-119).

Simbad objects: 120

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Number of rows : 120
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 [MLH2008] J013133.78-133829.0 GiC 01 31 33.789 -13 38 29.00   20.88 19.27 18.49   ~ 3 0
2 [MBM2004] 1 GiC 01 31 33.7967846160 -13 32 23.202751992     18.32     ~ 4 0
3 [MLH2008] J013133.83-133243.3 GiC 01 31 33.831 -13 32 43.30   20.90 19.46 18.54   ~ 3 0
4 [MLH2008] J013134.07-133226.5 GiC 01 31 34.072 -13 32 26.59     19.90     ~ 3 0
5 [MLH2008] J013134.22-133813.6 GiC 01 31 34.226 -13 38 13.61   21.72 20.17 19.42   ~ 3 0
6 [MLH2008] J013135.34-133717.7 GiC 01 31 35.337 -13 37 17.72   20.20 18.58 17.74   ~ 3 0
7 2MASX J01313531-1331187 GiC 01 31 35.3538946176 -13 31 19.279930764   19.02 17.36 16.62   ~ 4 0
8 [MLH2008] J013135.39-133452.0 GiC 01 31 35.392 -13 34 52.02   20.57 19.10 18.21   ~ 3 0
9 [MLH2008] J013135.57-133251.1 GiC 01 31 35.575 -13 32 51.12   21.69 20.17 19.28   ~ 3 0
10 [MLH2008] J013136.48-133345.4 GiC 01 31 36.489 -13 33 45.40   21.39 19.83 19.07   ~ 3 0
11 [MGB2003] 11 G 01 31 36.54 -13 37 56.1     19.89     ~ 1 0
12 [MLH2008] J013136.74-133326.1 GiC 01 31 36.740 -13 33 26.12   22.58 21.10 20.41   ~ 2 0
13 [MLH2008] J013136.85-133919.6 GiC 01 31 36.851 -13 39 19.68   21.34 19.73 18.95   ~ 3 0
14 [MGB2003] 14 G 01 31 37.19 -13 30 04.3     20.65     ~ 1 0
15 [MLH2008] J013137.20-133209.7 GiC 01 31 37.196 -13 32 09.71   21.54 20.03 19.17   ~ 3 0
16 [MLH2008] J013137.37-133446.2 GiC 01 31 37.366 -13 34 46.22   20.22 18.71 17.90   ~ 3 0
17 [MLH2008] J013137.96-133601.3 G 01 31 37.99 -13 36 01.6   22.89 21.38 20.20   ~ 2 0
18 [MLH2008] J013138.04-133335.9 GiC 01 31 38.036 -13 33 35.91   21.53 19.87 19.06   ~ 3 0
19 [MLH2008] J013138.65-133554.4 GiC 01 31 38.658 -13 35 54.41     20.11     ~ 3 0
20 [MLH2008] J013139.04-133339.8 GiC 01 31 39.043 -13 33 39.82   21.14 19.64 18.85   ~ 3 0
21 [MLH2008] J013139.86-133544.8 GiC 01 31 39.861 -13 35 44.81   20.01 18.85 18.35   ~ 3 0
22 [MLH2008] J013140.02-133208.8 GiC 01 31 40.021 -13 32 08.82   20.94 19.51 18.67   ~ 3 0
23 [MLH2008] J013140.14-133605.9 GiC 01 31 40.141 -13 36 05.89   20.63 19.18 18.46   ~ 3 0
24 [MLH2008] J013140.56-133633.2 GiC 01 31 40.558 -13 36 33.20   20.77 19.30 18.61   ~ 3 0
25 [MLH2008] J013140.73-133417.0 GiC 01 31 40.729 -13 34 16.95   20.14 18.58 17.83   ~ 3 0
26 [MLH2008] J013140.91-133736.9 GiC 01 31 40.914 -13 37 36.90   20.20 19.10 18.53   ~ 3 0
27 [MLH2008] J013141.60-133732.6 GiC 01 31 41.602 -13 37 32.67   20.89 19.39 18.60   ~ 3 0
28 [MLH2008] J013141.61-133850.6 GiC 01 31 41.612 -13 38 50.63     19.22     ~ 3 0
29 [MLH2008] J013142.32-133926.4 GiC 01 31 42.322 -13 39 26.48   20.55 19.07 18.28   ~ 3 0
30 [MLH2008] J013142.73-133832.0 GiC 01 31 42.737 -13 38 32.03   21.25 19.76 18.95   ~ 3 0
31 [MLH2008] J013142.74-133525.5 GiC 01 31 42.741 -13 35 25.54   22.23   19.97   ~ 2 0
32 [MLH2008] J013143.65-133557.4 GiC 01 31 43.655 -13 35 57.44   22.35 20.73 20.00   ~ 3 0
33 [MLH2008] J013143.78-133928.1 GiC 01 31 43.788 -13 39 28.15     20.40     ~ 3 0
34 [MLH2008] J013144.44-133703.3 GiC 01 31 44.440 -13 37 03.35     19.96     ~ 3 0
35 [MLH2008] J013145.21-133740.0 GiC 01 31 45.214 -13 37 40.09     18.39     ~ 3 0
36 [MLH2008] J013145.58-133902.4 GiC 01 31 45.585 -13 39 02.47   21.46 19.88 19.11   ~ 3 0
37 [MLH2008] J013145.84-133638.1 GiC 01 31 45.846 -13 36 38.19   20.47 18.72 18.07   ~ 3 0
38 [MLH2008] J013146.13-133456.4 GiC 01 31 46.128 -13 34 56.38   20.18 18.56 17.75   ~ 3 0
39 [MLH2008] J013146.31-133724.8 GiC 01 31 46.305 -13 37 24.81   21.74 20.29 19.53   ~ 3 0
40 [MLH2008] J013146.55-133841.3 GiC 01 31 46.5671000913 -13 38 41.305897257   20.55 19.02 18.24   ~ 3 0
41 [MLH2008] J013147.25-133310.2 GiC 01 31 47.248 -13 33 10.17   21.08 19.72 18.88   ~ 3 0
42 2MASX J01314766-1337507 GiC 01 31 47.6834667984 -13 37 50.753173044   19.87 18.18 17.34   ~ 3 0
43 [MLH2008] J013147.88-133908.3 GiC 01 31 47.889 -13 39 08.37   20.24 18.66 17.76   ~ 3 0
44 [MLH2008] J013147.99-133827.1 GiC 01 31 47.994 -13 38 27.16   20.93 19.32 18.54   ~ 3 0
45 [MLH2008] J013148.18-133812.6 GiC 01 31 48.188 -13 38 12.69     20.82     ~ 3 0
46 [MLH2008] J013148.44-133743.6 GiC 01 31 48.437 -13 37 43.62   21.88 20.34 19.64   ~ 3 0
47 [MLH2008] J013149.20-133735.3 GiC 01 31 49.204 -13 37 35.39   21.02 19.66 18.88   ~ 3 0
48 [MLH2008] J013149.36-133606.4 GiC 01 31 49.361 -13 36 06.45   22.05 20.53 19.76   ~ 3 0
49 [MLH2008] J013149.46-133726.9 GiC 01 31 49.460 -13 37 26.92   19.12 18.02 17.57   ~ 3 0
50 [MLH2008] J013149.61-133521.2 GiC 01 31 49.614 -13 35 21.22   21.36 19.74 18.94   ~ 3 0
51 [DCL2021] Abell 209 a GiC 01 31 49.86 -13 36 11.7   21.42 20.15 19.41 19.967 ~ 4 0
52 [MLH2008] J013150.42-133836.3 GiC 01 31 50.422 -13 38 36.31   21.40 19.89 19.14   ~ 2 0
53 2MASX J01315065-1333369 GiC 01 31 50.6723905440 -13 33 36.682129836   19.66 18.13 17.28   ~ 3 0
54 [MLH2008] J013150.86-133603.8 GiC 01 31 50.863 -13 36 03.80   20.41 18.78 18.03   ~ 3 0
55 [MLH2008] J013150.97-133649.6 GiC 01 31 50.965 -13 36 49.60   21.27 19.64 19.06   ~ 3 0
56 [MLH2008] J013151.13-133813.1 GiC 01 31 51.1514742938 -13 38 13.155700097   19.81 18.27 17.55   ~ 3 0
57 [MLH2008] J013151.32-133656.8 GiC 01 31 51.318 -13 36 56.77   19.84 18.10 17.49   ~ 3 0
58 [MLH2008] J013151.53-133506.8 GiC 01 31 51.538 -13 35 06.82   19.70 18.24 17.55   ~ 3 0
59 [MLH2008] J013151.71-133840.5 GiC 01 31 51.718 -13 38 40.52   20.79 19.26 18.46   ~ 3 0
60 [MLH2008] J013151.80-133830.5 GiC 01 31 51.806 -13 38 30.52   21.77 20.23 19.44   ~ 3 0
61 [KSW78] ACO 209 A GiC 01 31 52.292 -13 36 58.27   19.53 17.37 17.19   ~ 4 0
62 [OOP2020] Abell 209 BCG BiC 01 31 52.5435724728 -13 36 40.583272896   18.76 17.00 16.41   ~ 12 0
63 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 289 0
64 [MLH2008] J013153.33-133631.3 GiC 01 31 53.329 -13 36 31.32   20.63 18.52 18.46   ~ 3 0
65 [MLH2008] J013153.84-133613.0 GiC 01 31 53.837 -13 36 13.04   20.50 18.90 18.11   ~ 3 0
66 [MLH2008] J013153.84-133821.6 GiC 01 31 53.841 -13 38 21.60   20.85 19.66 19.00   ~ 3 0
67 [MLH2008] J013154.08-133939.5 G 01 31 54.09 -13 39 39.0   22.47 21.03 19.78   ~ 2 0
68 [MLH2008] J013154.32-133855.3 GiC 01 31 54.320 -13 38 55.30   21.52 20.04 19.29   ~ 3 0
69 [MLH2008] J013155.12-133704.7 GiC 01 31 55.124 -13 37 04.70   20.96 18.93 18.58   ~ 3 0
70 [MLH2008] J013155.18-133657.9 GiC 01 31 55.177 -13 36 57.94   20.74 18.94 18.40   ~ 3 0
71 [DCL2021] Abell 209 b GiC 01 31 55.34 -13 36 16.1     19.14   19.103 ~ 3 0
72 [RMO2003] ACO 209 4 GiC 01 31 55.459 -13 38 29.20   20.67 19.18 18.34   ~ 3 0
73 [MLH2008] J013155.59-133959.3 GiC 01 31 55.597 -13 39 59.30     20.65     ~ 2 0
74 [MLH2008] J013155.96-133640.2 GiC 01 31 55.965 -13 36 40.21     18.00     ~ 3 0
75 [MLH2008] J013156.22-133646.8 GiC 01 31 56.222 -13 36 46.75   20.16 18.43 18.10   ~ 3 0
76 [MLH2008] J013156.58-133835.2 GiC 01 31 56.584 -13 38 35.23   21.63 20.03 19.28   ~ 3 0
77 [MLH2008] J013156.76-134005.1 GiC 01 31 56.764 -13 40 05.13   21.69 20.16 19.40   ~ 3 0
78 [MLH2008] J013156.91-133830.5 GiC 01 31 56.913 -13 38 30.51   19.85 18.26 17.46   ~ 3 0
79 [MLH2008] J013157.38-133808.6 GiC 01 31 57.377 -13 38 08.56   21.19 19.58 18.76   ~ 3 0
80 [MLH2008] J013157.99-133900.0 GiC 01 31 57.992 -13 39 00.09     19.14     ~ 3 0
81 [MLH2008] J013158.27-133936.5 GiC 01 31 58.276 -13 39 36.59   20.69 19.14 18.34   ~ 3 0
82 [MLH2008] J013158.68-133804.3 GiC 01 31 58.682 -13 38 04.33   21.74 20.32 19.61   ~ 3 0
83 [MLH2008] J013159.10-133926.7 GiC 01 31 59.101 -13 39 26.78   20.51 18.97 18.17   ~ 3 0
84 [MLH2008] J013200.34-133756.8 GiC 01 32 00.342 -13 37 56.86   21.60 20.02 19.30   ~ 3 0
85 [MLH2008] J013201.15-133517.3 GiC 01 32 01.151 -13 35 17.35   21.18 19.65 18.87   ~ 3 0
86 [MLH2008] J013201.50-133221.4 G 01 32 01.507 -13 32 21.44   21.33 19.95 19.12   ~ 2 0
87 2MASX J01320170-1335340 GiC 01 32 01.6695391464 -13 35 34.068459264   19.91 18.36 17.47   ~ 3 0
88 [MLH2008] J013201.77-133334.3 GiC 01 32 01.774 -13 33 34.37   20.11 18.60 17.75   ~ 3 0
89 [MLH2008] J013201.81-133615.5 GiC 01 32 01.818 -13 36 15.50   21.62 20.14 19.49   ~ 3 0
90 [MLH2008] J013201.90-133531.0 GiC 01 32 01.903 -13 35 31.03     18.65     ~ 3 0
91 [MLH2008] J013202.16-133550.8 GiC 01 32 02.169 -13 35 50.81     19.06     ~ 3 0
92 [MLH2008] J013202.43-133213.3 GiC 01 32 02.433 -13 32 13.37     19.90     ~ 3 0
93 [MLH2008] J013202.93-133939.7 GiC 01 32 02.932 -13 39 39.76   21.20 19.48 18.71   ~ 3 0
94 [MLH2008] J013203.08-133644.4 GiC 01 32 03.080 -13 36 44.46   21.34 19.95 19.19   ~ 3 0
95 [MLH2008] J013203.45-133159.5 GiC 01 32 03.459 -13 31 59.56     19.65     ~ 3 0
96 [MLH2008] J013203.95-133554.2 GiC 01 32 03.953 -13 35 54.23   21.41 19.92 19.13   ~ 3 0
97 [MLH2008] J013203.96-133801.6 GiC 01 32 03.962 -13 38 01.63   21.80 20.31 19.61   ~ 2 0
98 [MLH2008] J013204.27-133954.2 GiC 01 32 04.2949153588 -13 39 54.272226849   19.60 17.82 17.20   ~ 3 0
99 [MLH2008] J013204.34-133726.6 GiC 01 32 04.340 -13 37 26.66   20.01 18.36 17.56   ~ 3 0
100 [MLH2008] J013204.98-133342.3 GiC 01 32 04.984 -13 33 42.32   21.82 20.34 19.61   ~ 3 0
101 [MLH2008] J013204.99-134035.4 GiC 01 32 04.992 -13 40 35.45   21.32 19.77 18.99   ~ 2 0
102 [MLH2008] J013205.05-133733.7 GiC 01 32 05.056 -13 37 33.73   20.86 19.28 18.56   ~ 3 0
103 [MGB2003] 102 G 01 32 07.29 -13 37 30.3     19.06     ~ 1 0
104 [MLH2008] J013207.96-134131.7 GiC 01 32 07.964 -13 41 31.70   21.38 19.86 19.16   ~ 3 0
105 [MLH2008] J013210.36-133724.8 GiC 01 32 10.361 -13 37 24.89     19.54     ~ 3 0
106 [MLH2008] J013212.33-133421.1 GiC 01 32 12.337 -13 34 21.17     19.74     ~ 3 0
107 [MLH2008] J013212.49-134118.2 GiC 01 32 12.499 -13 41 18.29           ~ 3 0
108 [MLH2008] J013213.18-133946.2 GiC 01 32 13.187 -13 39 46.26   22.19   19.95   ~ 2 0
109 [MGB2003] 108 G 01 32 13.22 -13 31 09.1     22.34     ~ 1 0
110 [MLH2008] J013214.04-133808.8 GiC 01 32 14.040 -13 38 08.89   19.61 17.90 17.21   ~ 3 0
111 [MLH2008] J013214.52-133229.3 GiC 01 32 14.520 -13 32 29.34     19.39     ~ 2 0
112 [MLH2008] J013214.97-134114.0 GiC 01 32 14.978 -13 41 14.02   20.30   17.96   ~ 3 0
113 [MLH2008] J013215.56-133749.6 GiC 01 32 15.565 -13 37 49.61   20.54 18.94 18.15   ~ 3 0
114 [MLH2008] J013215.85-133541.1 GiC 01 32 15.857 -13 35 41.18     20.71     ~ 3 0
115 [MLH2008] J013215.99-133834.8 GiC 01 32 15.997 -13 38 34.80   21.21 19.57 18.82   ~ 3 0
116 [MLH2008] J013216.20-133239.0 GiC 01 32 16.204 -13 32 39.06     18.97     ~ 3 0
117 [MLH2008] J013216.77-133503.8 GiC 01 32 16.772 -13 35 03.88     20.81     ~ 3 0
118 [MLH2008] J013216.98-133301.2 GiC 01 32 16.988 -13 33 01.24     20.64     ~ 3 0
119 [MLH2008] J013217.27-133806.4 GiC 01 32 17.270 -13 38 06.45   21.16 19.74 19.02   ~ 2 0
120 [MLH2008] J013217.48-133842.4 GiC 01 32 17.481 -13 38 42.44     19.84     ~ 3 0

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2023.09.28-12:18:10

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