2004A&A...425..429C

Query : 2004A&A...425..429C

2004A&A...425..429C - Astronomy and Astrophysics, volume 425429-441 (2004/10-2)

Multiple merging in the Abell cluster 1367.

CORTESE L., GAVAZZI G., BOSELLI A., IGLESIAS-PARAMO J. and CARRASCO L.

Abstract (from CDS):

We present a dynamical analysis of the central ∼1.3 square degrees of the cluster of galaxies Abell 1367, based on 273 redshift measurements (of which 119 are news). From the analysis of the 146 confirmed cluster members we derive a significantly non-Gaussian velocity distribution, with a mean location CBI=6484±81km/s and a scale SBI=891±58km/s. The cluster appears elongated from the North-West to the South-East with two main density peaks associated with two substructures. The North-West subcluster is probably in the early phase of merging into the South-East substructure (∼0.2Gyr before core crossing). A dynamical study of the two subclouds points out the existence of a group of star-forming galaxies infalling into the core of the South-East subcloud and suggests that two other groups are infalling into the NW and SE subclusters respectively. These three subgroups contain a higher fraction of star-forming galaxies than the cluster core, as expected during merging events. Abell 1367 appears as a young cluster currently forming at the intersection of two filaments.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual: A1367 - galaxies: evolution - galaxies: distances and redshifts

VizieR on-line data: <Available at CDS (J/A+A/425/429): table7.dat>

Nomenclature: Table 7: [CGB2004b] JHHMMSS+DDMMSS N=119.

Simbad objects: 126

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Number of rows : 126
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 LEDA 1609726 G 11 40 00.62727 +19 54 27.2324       15.98   ~ 7 0
2 LEDA 1596212 G 11 41 59.5955291688 +19 32 26.076695784       15.63   ~ 3 0
3 [CGB2004b] J114200+195846 G 11 42 00.83 +19 58 46.0       17.09   ~ 3 0
4 [CGB2004b] J114208+191905 G 11 42 08.01 +19 19 05.0       19.04   ~ 1 0
5 SDSS J114212.52+195650.8 G 11 42 12.529 +19 56 50.88       17.73   ~ 4 0
6 LEDA 1594653 G 11 42 13.84473 +19 30 01.4930       16.92   ~ 3 0
7 SDSS J114215.51+200425.1 G 11 42 15.51499 +20 04 25.1475       19.20   ~ 2 0
8 LEDA 1616229 G 11 42 19.02392 +20 05 45.1804       16.45   ~ 8 0
9 [CGB2004b] J114224+195329 G 11 42 24.39 +19 53 29.8       18.29   ~ 1 0
10 [CGB2004b] J114224+191157 G 11 42 24.48 +19 11 57.0       16.39   ~ 1 0
11 SDSS J114226.31+194317.8 G 11 42 26.31267 +19 43 17.8262       17.50   ~ 2 0
12 SDSS J114230.60+191447.9 G 11 42 30.6028423704 +19 14 47.869886112       18.60   ~ 3 0
13 [CGB2004b] J114230+192553 G 11 42 30.95 +19 25 53.8       17.80   ~ 1 0
14 2MASX J11423822+1947180 GiC 11 42 38.297 +19 47 18.12 18.63 18.63   17.10   ~ 8 0
15 [CGB2004b] J114239+195145 G 11 42 39.78 +19 51 45.9       19.06   ~ 1 0
16 SDSS J114240.36+195628.0 G 11 42 40.365 +19 56 27.99 19.46 19.59   18.59   ~ 2 0
17 SDSS J114243.84+191615.4 AG? 11 42 43.83978 +19 16 15.5038       18.72   ~ 3 0
18 [CGB2004b] J114249+193935 G 11 42 49.85 +19 39 35.1       19.14   ~ 1 0
19 SDSS J114250.42+193955.5 G 11 42 50.42362 +19 39 55.5496       19.22   ~ 2 0
20 LEDA 1611170 AG? 11 42 51.93798 +19 56 57.0670 17.76 17.67   16.43   ~ 15 0
21 SDSS J114254.32+193851.9 G 11 42 54.32383 +19 38 51.9391       17.17   ~ 6 0
22 [CGB2004b] J114254+194033 G 11 42 54.93 +19 40 33.6       18.87   ~ 1 0
23 Z 97-73 rG 11 42 56.45030 +19 57 58.3716 15.85 16.25   15.27   ~ 106 0
24 SDSS J114258.09+194320.8 AG? 11 42 58.09520 +19 43 20.8663       18.98   ~ 3 0
25 [CGB2004b] J114258+194053 G 11 42 58.37 +19 40 53.9       19.25   ~ 1 0
26 [CGB2004b] J114258+194644 G 11 42 58.53 +19 46 44.2       19.00   ~ 1 0
27 SDSS J114258.69+195612.9 G 11 42 58.724 +19 56 13.00 19.15 19.39   18.45   ~ 4 0
28 [CGB2004b] J114259+194801 G 11 42 59.71 +19 48 01.1       18.92   ~ 1 0
29 [CGB2004b] J114300+192515 G 11 43 00.65 +19 25 15.2       18.42   ~ 1 0
30 [CGB2004b] J114301+194758 G 11 43 01.24 +19 47 58.9       18.67   ~ 1 0
31 SDSS J114301.78+195313.5 G 11 43 01.787 +19 53 13.49 20.83 20.70   19.14   ~ 2 0
32 SDSS J114307.02+192809.1 G 11 43 07.029 +19 28 09.19       17.37   ~ 3 0
33 [CGB2004b] J114307+193029 G 11 43 07.16 +19 30 29.8       17.93   ~ 1 0
34 LEDA 1591790 G 11 43 10.03140 +19 25 27.6003       16.62   ~ 3 0
35 SDSS J114310.19+191519.9 G 11 43 10.19237 +19 15 19.9069       17.41   ~ 2 0
36 Z 97-79 GiC 11 43 13.096 +20 00 17.52 15.91 16.52   15.56   ~ 113 0
37 LEDA 1617443 GiC 11 43 13.27134 +20 07 54.9150 18.03 17.82   16.35   ~ 13 0
38 [CGB2004b] J114314+194821 G 11 43 14.49 +19 48 21.7       19.29   ~ 1 0
39 2MASX J11431494+1925355 GiC 11 43 14.9627011656 +19 25 35.583542544       15.76   ~ 7 0
40 [CGB2004b] J114317+195525 G 11 43 17.122 +19 55 25.89       18.88   ~ 2 0
41 LEDA 1605371 GiC 11 43 17.6498124960 +19 46 57.627850044 17.97 17.58   15.94   ~ 15 0
42 SDSS J114318.13+201524.6 G 11 43 18.1332998832 +20 15 24.645070296 19.87 19.75   17.72   ~ 2 0
43 2MASX J11431968+1925225 GiC 11 43 19.6724930520 +19 25 22.354106592       15.99   ~ 11 0
44 [CGB2004b] J114320+193637 G 11 43 20.44 +19 36 37.1       19.71   ~ 1 0
45 SDSS J114320.72+195206.6 G 11 43 20.738 +19 52 06.74 20.07 20.09   18.04   ~ 2 0
46 SDSS J114321.95+195705.8 G 11 43 21.9486525792 +19 57 05.829421500 19.16 18.79   17.16   ~ 6 0
47 SDSS J114324.69+194121.0 G 11 43 24.69445 +19 41 21.0271       18.33   ~ 2 0
48 LEDA 1620596 G 11 43 32.3095356312 +20 13 28.392846924 18.37 18.20   16.24   ~ 5 0
49 SDSS J114332.88+195108.0 G 11 43 32.874 +19 51 08.06 20.03 20.09   19.13   ~ 2 0
50 LEDA 1613003 G 11 43 35.3986288800 +20 00 07.289436024 18.82 18.42   16.56   ~ 4 0
51 [CGB2004b] J114336+193930 G 11 43 36.07 +19 39 30.8       19.24   ~ 1 0
52 LEDA 1600159 G 11 43 37.13113 +19 38 34.8736       17.31   ~ 6 0
53 LEDA 4292983 GiC 11 43 37.955 +20 15 40.36 18.83 18.99   17.99   ~ 6 0
54 2MASX J11433912+1934466 GiC 11 43 39.1045872024 +19 34 46.338550572       16.01   ~ 8 0
55 [CGB2004b] J114342+193636 G 11 43 42.18 +19 36 36.3       19.26   ~ 1 0
56 SDSS J114343.07+195608.5 G 11 43 43.073 +19 56 08.62 19.87 19.77   18.62   ~ 2 0
57 SDSS J114345.49+201253.4 G 11 43 45.496 +20 12 53.49 20.25 20.42   19.47   ~ 2 0
58 [CGB2004b] J114350+195702 G 11 43 50.124 +19 57 03.09 19.95 19.76   18.28   ~ 5 0
59 [CGB2004b] J114350+194138 G 11 43 50.83 +19 41 38.0       19.13   ~ 1 0
60 [CGB2004b] J114353+195004 G 11 43 53.42 +19 50 04.6       19.23   ~ 1 0
61 2MASX J11435352+1944223 GiC 11 43 53.5666783464 +19 44 21.767745228 17.47 17.15   15.54   ~ 19 0
62 [CGI2003] J114353+194321 GiC 11 43 53.88 +19 43 21.3       17.17   ~ 2 0
63 [CGB2004b] J114356+201404 G 11 43 56.80 +20 14 04.9       18.42   ~ 1 0
64 LEDA 1619418 G 11 43 57.701 +20 11 24.12 18.51 18.39   16.92   ~ 9 0
65 LEDA 1609155 GiC 11 43 58.8335436144 +19 53 30.573349872 18.26 17.83   16.19   ~ 8 0
66 GALEXASC J114359.29+195633.6 G 11 43 59.51 +19 56 30.8       20.37   ~ 2 0
67 NGC 3842 BiC 11 44 02.155 +19 56 59.37 14.22 13.70 11.82 12.04   ~ 308 3
68 SDSS J114402.81+194742.1 G 11 44 02.810 +19 47 42.12 19.85 19.60   18.05   ~ 2 0
69 2MASX J11440380+2005563 GiC 11 44 03.8007548856 +20 05 56.099493780 17.86 17.50   15.87   ~ 15 0
70 [CGB2004b] J114404+192922 G 11 44 04.17 +19 29 22.8       18.59   ~ 1 0
71 [CGB2004b] J114404+195956 G 11 44 04.65 +19 59 56.6       17.33   ~ 1 0
72 LEDA 1600291 G 11 44 07.07893 +19 38 46.9857       17.10   ~ 3 0
73 [CGB2004b] J114407+193143 G 11 44 07.71 +19 31 43.1       18.44   ~ 1 0
74 LEDA 1610088 G 11 44 12.108 +19 55 04.49 18.94 19.03   17.61   ~ 6 0
75 LEDA 1610946 AG? 11 44 12.1873708440 +19 56 33.960590016 19.44 19.12   17.51   ~ 10 0
76 [CGB2004b] J114412+201119 G 11 44 12.92 +20 11 19.7       19.25   ~ 1 0
77 LEDA 4020141 AG? 11 44 15.22225 +19 30 39.5377       16.58   ~ 9 0
78 [CGB2004b] J114415+193012 G 11 44 15.33 +19 30 12.3       18.27   ~ 1 0
79 [CGB2004b] J114417+194543 G 11 44 17.28 +19 45 43.9       18.14   ~ 1 0
80 2MASX J11442218+1946278 GiC 11 44 22.2202338744 +19 46 28.156045260 17.80 17.32   15.58   ~ 11 0
81 SDSS J114426.28+195951.0 G 11 44 26.28452 +19 59 50.9489 18.77 18.50   16.91   ~ 8 0
82 SDSS J114430.37+194258.6 G 11 44 30.373 +19 42 58.65 19.88 20.08   18.76   ~ 2 0
83 [CGB2004b] J114432+195341 G 11 44 32.19 +19 53 41.6       18.89   ~ 1 0
84 [CGB2004b] J114432+194734 G 11 44 32.98 +19 47 34.6       18.82   ~ 1 0
85 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
86 SDSS J114447.28+201247.4 G 11 44 47.280 +20 12 47.44 20.15 20.01   18.47   ~ 3 0
87 LEDA 1610890 AG? 11 44 49.62263 +19 56 27.9351 18.44 18.28   16.74   ~ 12 0
88 [CGB2004b] J114501+195504 G 11 45 01.97 +19 55 04.5       18.79   ~ 1 0
89 LEDA 1600095 AG? 11 45 02.87 +19 38 29.5       16.76   ~ 6 0
90 [CGB2004b] J114503+194743 G 11 45 03.14 +19 47 43.9       17.91   ~ 1 0
91 SDSS J114504.32+201410.6 AG? 11 45 04.31994 +20 14 10.6317       18.31   ~ 4 0
92 2MASX J11450470+1940549 GiC 11 45 04.7358323232 +19 40 55.401308508       15.67   ~ 13 0
93 NGC 3862 Sy2 11 45 05.00904503 +19 36 22.7409909   14.98 13.97     ~ 646 1
94 SDSS J114506.44+200851.4 AG? 11 45 06.44783 +20 08 51.4504       19.23   ~ 4 0
95 SDSS J114509.23+194845.0 G 11 45 09.23911 +19 48 44.9967       17.49   ~ 3 0
96 LEDA 3776282 GiC 11 45 09.2800764816 +19 33 14.922041364       15.80   ~ 8 0
97 LEDA 1604402 G 11 45 09.54415 +19 45 26.0315       16.90   ~ 4 0
98 LEDA 1596407 G 11 45 16.07333 +19 32 44.0722       16.80   ~ 6 0
99 LEDA 1613729 GiC 11 45 17.1039954048 +20 01 21.814791456       15.32   ~ 9 0
100 [CGB2004b] J114517+201108 G 11 45 17.29 +20 11 08.8       18.21   ~ 1 0
101 Z 97-133 H2G 11 45 17.552 +20 01 10.68   15.7   15.46   ~ 26 0
102 [CGB2004b] J114520+194220 G 11 45 20.33 +19 42 20.3       20.44   ~ 1 0
103 LEDA 1596565 AG? 11 45 20.42209 +19 32 58.2156       17.48   ~ 5 0
104 [CGB2004b] J114522+195146 G 11 45 22.62 +19 51 46.5       21.14   ~ 1 0
105 [CGB2004b] J114524+201239 G 11 45 24.33 +20 12 39.3       18.73   ~ 1 0
106 LEDA 1619152 G 11 45 26.3 +20 10 57       16.40   ~ 3 0
107 LEDA 1611189 G 11 45 29.6 +19 56 59       16.29   ~ 3 0
108 LEDA 1598931 G 11 45 30.3256854408 +19 36 38.483140356       17.20   ~ 6 0
109 [CGB2004b] J114531+200217 G 11 45 31.31 +20 02 17.5       19.78   ~ 1 0
110 [CGB2004b] J114533+194505 G 11 45 33.88 +19 45 05.9       18.11   ~ 1 0
111 SDSS J114534.02+200031.0 G 11 45 34.02539 +20 00 31.0726       17.56   ~ 5 0
112 [CGB2004b] J114536+194253 G 11 45 36.19 +19 42 53.7       18.60   ~ 1 0
113 SDSS J114540.29+194302.6 AG? 11 45 40.29392 +19 43 02.6375       17.74   ~ 4 0
114 LEDA 1600373 G 11 45 43.64749 +19 38 54.6650       16.93   ~ 4 0
115 SDSS J114543.77+193905.8 G 11 45 43.77589 +19 39 05.8453       16.30   ~ 4 0
116 SDSS J114544.86+194013.7 G 11 45 44.862 +19 40 13.70       17.18   ~ 5 0
117 [CGB2004b] J114545+193151 G 11 45 45.66 +19 31 51.4       18.57   ~ 1 0
118 [CGB2004b] J114545+201200 G 11 45 45.78 +20 12 00.3       19.11   ~ 1 0
119 LEDA 1592781 G 11 45 48.2 +19 27 08       16.72   ~ 3 0
120 2MASX J11455008+1959168 LIN 11 45 50.0634580104 +19 59 16.643990292       15.87   ~ 6 0
121 [CGB2004b] J114550+194824 G 11 45 50.61 +19 48 24.6       18.85   ~ 1 0
122 [CGB2004b] J114602+194754 G 11 46 02.12 +19 47 54.3       19.62   ~ 1 0
123 [CGB2004b] J114605+195151 G 11 46 05.35 +19 51 51.0       18.86   ~ 1 0
124 [CGB2004b] J114620+194518 G 11 46 20.85 +19 45 18.0       17.58   ~ 1 0
125 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
126 NAME CFA Great Wall SCG ~ ~           ~ 142 0

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