2001AJ....121.1294B

Query : 2001AJ....121.1294B

2001AJ....121.1294B - Astron. J., 121, 1294-1305 (2001/March-0)

A kinematic search for bound populations around brightest cluster members in a sample of 52 clusters of galaxies.

BOTTINI D.

Abstract (from CDS):

We measured the radial velocities of 265 galaxies in the field of 52 clusters in the redshift range 0.05<z<0.25. In a 93% complete sample of galaxies close to the brightest cluster members (BCMs; d<40 kpc) we found that the percentage (43±9%) of galaxies with |dV|<300 km.s–1 is higher than the one (28±4%) of a control sample of more distant galaxies. Moreover, we found that the velocity dispersion (576+68–77 km.s–1) of the galaxies in the inner sample is lower than the one (866+52–55 km.s–1) of the control sample. The sample's velocity dispersion is also lower than the expectation from the fit of the velocity dispersion profile of all data combined in a pseudocluster with dynamical models of the cluster mass distribution. We discuss these results in the light of the existence of a bound population of galaxies that will eventually merge with the BCM as a general feature of clusters of galaxies.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Clusters: General - Galaxies: Distances and Redshifts - Galaxies: Kinematics and Dynamics

Nomenclature: Table 2: [B2001] ACO NNNN A, [B2001] MS HHMM+DDMM A, N=265.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 54

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Number of rows : 54
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 7 ClG 00 11 43.134 +32 24 46.55           ~ 82 0
2 NVSS J001145+322542 Rad 00 11 46.3 +32 25 46           ~ 67 1
3 ClG 0026.4+0725 ClG 00 29 03.7 +07 42 04     18.27     ~ 13 0
4 ACO 77 ClG 00 40 34.2 +29 31 27           ~ 76 0
5 ACO 82 ClG 00 41 19.500 +25 26 18.90           ~ 22 0
6 ACO 84 ClG 00 41 36.85 +21 24 25.7           ~ 64 0
7 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
8 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
9 ACO 115 ClG 00 55 59 +26 23.2           ~ 295 1
10 ACO 150 ClG 01 09 14 +13 10.0           ~ 57 0
11 ClG 0109.4+3910 ClG 01 12 14.5 +39 26 36     18.5     ~ 11 0
12 ACO 175 ClG 01 19 31.73 +14 53 29.3           ~ 43 0
13 ACO 272 ClG 01 55 19.1 +33 56 41           ~ 66 0
14 ACO 293 ClG 02 01 46.7 +03 44 58           ~ 30 1
15 ACO 318 ClG 02 12 51 +26 26.0           ~ 13 0
16 ACO 376 ClG 02 45 48 +36 51.6           B8.5 161 1
17 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 420 0
18 ACO 401 ClG 02 58 50.3 +13 34 07           ~ 592 0
19 ACO 403 ClG 02 59 14.0 +03 29 55           ~ 28 0
20 ACO 410 ClG 03 03 54 +03 47.7           ~ 24 0
21 2E 711 ClG 03 04 30.4 +15 27 53     16.93     ~ 16 0
22 ACO 439 ClG 03 30 28 +24 47.2           ~ 28 0
23 ACO 478 ClG 04 13 24.8 +10 27 52           ~ 522 0
24 ACO 508 ClG 04 45 54 +02 01.4           ~ 17 0
25 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
26 ACO 566 ClG 07 04 37.5 +63 18 39           ~ 71 0
27 ACO 586 ClG 07 32 20.3 +31 37 58           ~ 196 0
28 ACO 587 ClG 07 33 00 +39 26.5           ~ 12 0
29 ACO 588 ClG 07 39 01.6 +69 57 04           ~ 20 0
30 ACO 602 ClG 07 53 23.51 +29 20 20.3           ~ 80 0
31 ACO 603 ClG 07 55 48.42 +33 45 05.3           ~ 7 0
32 ACO 607 ClG 07 57 23.94 +39 21 57.5           ~ 21 0
33 ACO 612 ClG 08 00 56.44 +34 36 40.6           ~ 24 0
34 ACO 655 ClG 08 25 16.12 +47 09 34.2           ~ 118 0
35 ACO 671 ClG 08 28 48.68 +30 27 07.0           ~ 168 0
36 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
37 ACO 750 ClG 09 09 06.7 +11 01 48           ~ 105 1
38 ClG 0906.5+1110 ClG 09 09 12.7 +10 58 32           ~ 108 0
39 ACO 882 ClG 09 51 13.06 +08 15 04.3           ~ 26 0
40 ACO 910 ClG 10 03 07.9 +67 09 27           ~ 53 0
41 ClG 1004.2+1238 ClG 10 06 54.6 +12 24 03     17.77     ~ 12 0
42 ACO 963 ClG 10 17 03.4 +39 02 56           ~ 414 0
43 ACO 1081 ClG 10 44 49 +35 34.2           ~ 23 0
44 ACO 1401 ClG 11 51 54.51 +37 15 48.4           ~ 30 0
45 ACO 1455 ClG 12 04 04.0 +28 07 08           ~ 56 0
46 ACO 1632 ClG 12 53.0 +28 49           ~ 21 0
47 ClG 1308.8+3244 ClG 13 11 12.7 +32 28 58     18.5     ~ 29 0
48 ACO 1785 ClG 13 44 44.9 +38 09 46           ~ 26 0
49 ClG 1401.9+0437 ClG 14 04 29.4 +04 23 01   18.5       ~ 12 0
50 2E 1454.0+2233 ClG 14 56 18.7 +22 21 25     17.50     ~ 13 0
51 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 165 0
52 ClG 1546.8+1132 ClG 15 49 13.0 +11 23 09     17.66     ~ 18 0
53 ACO 2145 ClG 16 00 24.31 +33 14 49.9           ~ 33 0
54 ZwCl 2348+2908 ClG 23 50 34.3 +29 29 55     17.0     ~ 37 0

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