2000A&A...355..443P

Query : 2000A&A...355..443P

2000A&A...355..443P - Astronomy and Astrophysics, volume 355443-453 (2000/3-2)

Dynamics of the X-ray clusters Abell 222, Abell 223 and Abell 520.

PROUST D., CUEVAS H., CAPELATO H.V., SODRE L.Jr, TOME LEHODEY B., LE FEVRE O. and MAZURE A.

Abstract (from CDS):

We present the results of a dynamical analysis of three rich, X-ray luminous galaxy clusters, Abell 222, Abell 223 and Abell 520, that are at intermediate redshifts. Our study is based on radial velocities for 71 cluster members, respectively 30 for A 222, 20 for A 223 and 21 for A 520, measured from spectra obtained at the Canada-France-Hawaii Telescope, the European Southern Observatory, and the Pic du Midi Observatory, and supplemented with radial velocities from the literature. A 222 galaxies have slightly higher velocities than those of A 223, with bi-weighted mean velocity of Vbi=64242±194km/s for A 222, and of Vbi=63197±266km/s for A 223. The velocity dispersions of the two clusters are about the same: σbi=1013±150km/s and σbi=1058±160km/s for A 222 and A 223, respectively. For A 520 we obtain Vbi=60127±284km/s with σbi=1250±189km/s. We also give mass and mass-luminosities ratio estimates for each cluster separately. We argue that these clusters are presently undergoing strong dynamical evolution and that A 222 and A 223 will probably merge in the future. We have applied a Principal Component Analysis to a sample of 51 CFHT spectra to produce a spectral classification for these galaxies. This classification has allowed us to show that the morphological and kinematical segregations were already established in these intermediate redshift clusters.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: A 520 - galaxies: clusters: individual: A 222 - galaxies: clusters: individual: A 223 - galaxies: distances and redshifts - cosmology: observations

Nomenclature: Table 1: [PCC2000] JHHMMSS.ss+DDMMSS.s N=89

Simbad objects: 93

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Number of rows : 93
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 [PCC2000] J013710.00-125956.7 GiC 01 37 10.0 -12 59 57           ~ 1 0
2 [PCC2000] J013714.54-125920.4 GiC 01 37 14.54 -12 59 20.4           ~ 2 0
3 BOW ACO 222 CC013 GiC 01 37 19.75 -13 00 42.3           ~ 2 0
4 BOW ACO 222 CC009 GiC 01 37 21.32 -13 00 39.9           ~ 2 0
5 BOW ACO 222 CC081 GiC 01 37 21.34 -12 59 22.9           ~ 1 0
6 BOW ACO 222 CC141 GiC 01 37 22.05 -12 58 59.9           ~ 1 0
7 BOW ACO 222 CC007 GiC 01 37 22.72 -13 00 23.0           ~ 2 0
8 BOW ACO 222 CC172 GiC 01 37 24.57 -12 57 50.8           ~ 1 0
9 BOW ACO 222 CC152 GiC 01 37 25.22 -13 00 21.7           ~ 1 0
10 BOW ACO 222 CC046 GiC 01 37 25.35 -12 59 50.8           ~ 2 0
11 2MASX J01372640-1259578 GiC 01 37 26.402 -12 59 57.83           ~ 2 0
12 BOW ACO 222 CC057 GiC 01 37 28.02 -13 00 03.0           ~ 2 0
13 BOW ACO 222 CC028 GiC 01 37 28.96 -12 59 26.4           ~ 1 0
14 BOW ACO 222 CC058 GiC 01 37 29.53 -12 59 50.2           ~ 2 0
15 BOW ACO 222 CC105 GiC 01 37 29.70 -13 00 26.8           ~ 2 0
16 BOW ACO 222 CC043 GiC 01 37 30.88 -12 59 25.2           ~ 2 0
17 ACO 222 ClG 01 37 31.1 -12 59 30           ~ 153 1
18 BOW ACO 222 CC050 GiC 01 37 31.64 -12 58 52.4           ~ 2 0
19 [PCC2000] J013732.31-125243.7 GiC 01 37 32.31 -12 52 43.7           ~ 1 0
20 BOW ACO 222 CC126 GiC 01 37 32.63 -12 58 43.7           ~ 1 0
21 BOW ACO 222 CC110 GiC 01 37 32.74 -12 59 19.0           ~ 1 0
22 BOW ACO 222 CC011 GiC 01 37 33.49 -12 59 28.0           ~ 1 0
23 BOW ACO 222 CC096 GiC 01 37 33.50 -12 59 00.0           ~ 2 0
24 2MASX J01373406-1259288 BiC 01 37 34.0268685432 -12 59 29.089949676           ~ 4 0
25 BOW ACO 222 CC023 GiC 01 37 34.48 -12 59 46.3           ~ 2 0
26 BOW ACO 222 CC051 GiC 01 37 34.54 -12 59 24.0           ~ 1 0
27 BOW ACO 222 CC031 GiC 01 37 34.61 -12 58 41.1           ~ 2 0
28 [PCC2000] J013735.38-124957.3 GiC 01 37 35.38 -12 49 57.3           ~ 1 0
29 BOW ACO 222 CC024 GiC 01 37 35.59 -12 59 26.8           ~ 2 0
30 [PCC2000] J013736.08-125342.6 GiC 01 37 36.08 -12 53 42.6           ~ 1 0
31 BOW ACO 222 CC038 GiC 01 37 37.24 -12 59 16.0           ~ 2 0
32 BOW ACO 222 CC122 GiC 01 37 38.67 -12 59 24.4           ~ 1 0
33 BOW ACO 222 CC033 GiC 01 37 40.06 -12 58 31.0           ~ 2 0
34 BOW ACO 222 CC076 GiC 01 37 40.18 -12 59 56.6           ~ 1 0
35 [PCC2000] J013740.75-125200.9 GiC 01 37 40.75 -12 52 00.9           ~ 1 0
36 2MASX J01374159-1258318 GiC 01 37 41.5504138944 -12 58 31.432657116           ~ 2 0
37 [PCC2000] J013741.62-125215.4 GiC 01 37 41.62 -12 52 15.4           ~ 2 0
38 BOW ACO 222 CC056 GiC 01 37 42.60 -13 00 37.7           ~ 1 0
39 BOW ACO 222 CC006 GiC 01 37 43.00 -12 57 44.0           ~ 2 0
40 BOW ACO 223 CC061 GiC 01 37 44.02 -12 51 10.1           ~ 1 0
41 BOW ACO 223 CC041 GiC 01 37 44.84 -12 50 57.3           ~ 2 0
42 BOW ACO 223 CC068 GiC 01 37 44.86 -12 44 48.5           ~ 1 0
43 BOW ACO 223 CC025 GiC 01 37 45.48 -12 46 27.1           ~ 1 0
44 BOW ACO 223 CC035 GiC 01 37 46.01 -12 49 49.4           ~ 1 0
45 BOW ACO 223 CC019 GiC 01 37 49.59 -12 51 37.6           ~ 1 0
46 BOW ACO 223 CC052 GiC 01 37 50.82 -12 51 01.1           ~ 2 0
47 BOW ACO 223 CC031 GiC 01 37 51.16 -12 47 33.7           ~ 1 0
48 BOW ACO 223 CC022 GiC 01 37 52.14 -12 47 41.4           ~ 1 0
49 BOW ACO 223 CC042 GiC 01 37 52.23 -12 49 54.0           ~ 1 0
50 [PCC2000] J013753.04-125015.3 * 01 37 53.04 -12 50 15.3           ~ 1 0
51 BOW ACO 223 CC028 GiC 01 37 54.96 -12 49 55.0           ~ 2 0
52 BOW ACO 223 CC036 GiC 01 37 55.35 -12 51 31.1           ~ 2 0
53 BOW ACO 223 CC016 GiC 01 37 55.8 -12 49 05           ~ 2 0
54 ACO 223 ClG 01 37 55.9 -12 49 11           ~ 135 1
55 2MASX J01375602-1249106 BiC 01 37 55.9966043088 -12 49 10.471867788           ~ 5 0
56 BOW ACO 223 CC011 GiC 01 37 56.12 -12 48 17.0           ~ 2 0
57 BOW ACO 223 CC026 GiC 01 37 56.89 -12 49 12.6           ~ 1 0
58 2MASX J01375725-1250176 GiC 01 37 57.2052428832 -12 50 18.012624144           ~ 2 0
59 2MASX J01375773-1247566 GiC 01 37 57.7374627048 -12 47 56.445634104           ~ 2 0
60 BOW ACO 223 CC032 GiC 01 37 58.14 -12 50 55.5           ~ 1 0
61 [PCC2000] J013758.24-124922.0 GiC 01 37 58.24 -12 49 22.0           ~ 2 0
62 BOW ACO 223 CC117 GiC 01 37 59.90 -12 47 34.6           ~ 1 0
63 2MASX J01380231-1245205 GiC 01 38 02.2996713552 -12 45 20.095558740           ~ 3 0
64 2MASX J01380408-1244485 GiC 01 38 04.0839220464 -12 44 48.874601040   17.06   15.66   ~ 7 0
65 NVSS J045401+025745 rG 04 54 01.1800374096 +02 57 45.666962028           ~ 5 1
66 BOW ACO 520 CC019 GiC 04 54 05.12 +02 53 30.0           ~ 2 0
67 BOW ACO 520 CC047 GiC 04 54 05.63 +02 57 01.7           ~ 2 0
68 BOW ACO 520 CC159 GiC 04 54 05.9310994032 +02 55 54.411959604           ~ 3 0
69 BOW ACO 520 CC177 GiC 04 54 07.24 +02 57 48.4           ~ 2 0
70 BOW ACO 520 CC197 GiC 04 54 07.92 +02 57 03.3           ~ 2 0
71 BOW ACO 520 CC142 GiC 04 54 09.51 +02 58 18.1           ~ 2 0
72 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
73 BOW ACO 520 CC012 GiC 04 54 11.9339049216 +02 58 07.932902988           ~ 3 0
74 LEDA 1241888 GiC 04 54 13.1373217440 +02 57 33.824367324           ~ 4 0
75 LEDA 1241733 GiC 04 54 14.0487471504 +02 57 10.187135532           ~ 4 0
76 BOW ACO 520 CC028 GiC 04 54 15.0805171728 +02 57 07.947059688           ~ 3 0
77 BOW ACO 520 CC027 GiC 04 54 16.06 +02 56 42.8           ~ 3 0
78 BOW ACO 520 CC237 GiC 04 54 17.2884506304 +02 56 46.273875504           ~ 3 0
79 BOW ACO 520 CC056 GiC 04 54 19.1552450424 +02 58 26.363842752           ~ 3 0
80 2MASX J04541993+0257453 BiC 04 54 19.8874104672 +02 57 44.774645184           ~ 5 0
81 2MASX J04541993+0255303 GiC 04 54 19.93653 +02 55 30.3560           ~ 2 0
82 BOW ACO 520 CC029 GiC 04 54 20.6789120040 +02 55 29.884335924           ~ 3 0
83 BOW ACO 520 CC100 GiC 04 54 21.41 +02 56 47.6           ~ 2 0
84 BOW ACO 520 CC089 GiC 04 54 22.24 +02 55 07.0           ~ 2 0
85 BOW ACO 520 CC086 GiC 04 54 23.23 +02 56 40.8           ~ 2 0
86 BOW ACO 520 CC106 GiC 04 54 24.88 +02 58 56.0           ~ 3 0
87 BOW ACO 520 CC335 GiC 04 54 25.4898746448 +02 59 38.186240964           ~ 4 0
88 BOW ACO 520 CC128 GiC 04 54 27.87 +02 55 28.4           ~ 2 0
89 [PCC2000] J045428.95+025646.6 GiC 04 54 28.95 +02 56 46.6           ~ 2 0
90 [PCC2000] J045431.46+025724.7 GiC 04 54 31.46 +02 57 24.7           ~ 1 0
91 [GBB2008] 255 GiC 04 54 32.6632482216 +02 54 49.025445444           ~ 4 0
92 [PCC2000] J045434.68+025650.6 GiC 04 54 34.68 +02 56 50.6           ~ 2 0
93 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 445 1

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