2003A&A...407...31P

Query : 2003A&A...407...31P

2003A&A...407...31P - Astronomy and Astrophysics, volume 407, 31-40 (2003/8-3)

The cluster of galaxies Abell 376.

PROUST D., CAPELATO H.V., HICKEL G., SODRE L.Jr, LIMA NETO G.B. and CUEVAS H.

Abstract (from CDS):

We present a dynamical analysis of the galaxy cluster Abell 376 based on a set of 73 velocities, most of them measured at Pic du Midi and Haute-Provence observatories and completed with data from the literature. Data on individual galaxies are presented and the accuracy of the determined velocities is discussed as well as some properties of the cluster. We obtained an improved mean redshift value z=0.0478+0.005–0.006 and velocity dispersion σ=852+120–76km/s. Our analysis indicates that inside a radius of ∼900h70–1kpc (∼15arcmin) the cluster is well relaxed without any remarkable features and the X-ray emission traces fairly well the galaxy distribution. A possible substructure is seen at 20 arcmin from the centre towards the Southwest direction, but is not confirmed by the velocity field. This SW clump is, however, kinematically bound to the main structure of Abell 376. A dense condensation of galaxies is detected at 46 arcmin (projected distance 2.6h70–1Mpc) from the centre towards the Northwest and analysis of the apparent luminosity distribution of its galaxies suggests that this clump is part of the large scale structure of Abell 376. X-ray spectroscopic analysis of ASCA data resulted in a temperature kT=4.3±0.4keV and metal abundance Z=0.32±0.08Z☉. The velocity dispersion corresponding to this temperature using the TX-σ scaling relation is in agreement with the measured galaxies velocities.

Abstract Copyright: ∼

Journal keyword(s): galaxies: distances and redshifts - galaxies: clusters: general - galaxies: clusters: individual: Abell 376 - X-rays: galaxies: clusters

VizieR on-line data: <Available at CDS (J/A+A/407/31): table1.dat>

Simbad objects: 73

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Number of rows : 73
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 2MASX J02444221+3645104 GiC 02 44 42.2063429640 +36 45 10.189987884           ~ 5 0
2 LEDA 74102 GiC 02 44 43.5 +36 35 57           ~ 4 0
3 2MASX J02444997+3655064 GiC 02 44 49.9594611552 +36 55 06.713053140           ~ 6 0
4 LEDA 74105 GiC 02 44 52.4 +36 58 22           ~ 3 0
5 2MASX J02450396+3642365 GiC 02 45 03.9851584128 +36 42 36.099504828           ~ 10 0
6 LEDA 74115 GiC 02 45 08.4 +37 05 48           ~ 3 0
7 2MASX J02451028+3641395 GiC 02 45 10.2784529208 +36 41 39.434432820           ~ 6 0
8 2MASX J02451244+3642436 GiC 02 45 12.4193240256 +36 42 43.580274480           ~ 11 0
9 2MASX J02451310+3646286 GiC 02 45 13.0792564872 +36 46 28.354626372           ~ 3 0
10 2MASX J02451369+3641416 GiC 02 45 13.7236300800 +36 41 41.605998828           ~ 11 0
11 2MASX J02451433+3653106 GiC 02 45 14.3477141472 +36 53 10.238844156           ~ 3 0
12 LEDA 74123 GiC 02 45 16.4 +36 55 33           ~ 3 0
13 LEDA 74122 GiC 02 45 16.5 +36 50 44           ~ 4 0
14 2MASX J02451801+3645516 EmG 02 45 18.012 +36 45 51.64           ~ 5 0
15 2MASX J02452192+3642586 GiC 02 45 21.9124531800 +36 42 58.637681388           ~ 6 0
16 LEDA 74126 GiC 02 45 22.5 +36 50 31           ~ 4 0
17 LEDA 74127 GiC 02 45 26.8 +36 57 30           ~ 3 0
18 2MASX J02452858+3650576 GiC 02 45 28.6000096320 +36 50 57.701214168           ~ 3 0
19 2MASX J02453005+3628346 G 02 45 30.0434776656 +36 28 34.078806876           ~ 3 0
20 2MASX J02453358+3651417 GiC 02 45 33.5910331608 +36 51 41.935148388           ~ 4 0
21 LEDA 74133 GiC 02 45 33.6 +36 46 39           ~ 3 0
22 LEDA 74134 GiC 02 45 34.7 +36 58 24           ~ 4 0
23 2MASX J02453822+3659047 G 02 45 38.2350898344 +36 59 04.468288920           ~ 3 0
24 2MASX J02454183+3650588 GiC 02 45 41.8193182560 +36 50 59.237739996           ~ 3 0
25 LEDA 74142 GiC 02 45 42.5 +36 57 35           ~ 3 0
26 2MASX J02454375+3651168 GiC 02 45 43.7703980952 +36 51 16.982864820           ~ 11 0
27 2MASX J02454423+3656338 GiC 02 45 44.2792909584 +36 56 33.759306096           ~ 3 0
28 2MASX J02454667+3647448 GiC 02 45 46.672 +36 47 44.82           ~ 4 0
29 ACO 376 ClG 02 45 48 +36 51.6           B8.5 153 1
30 2MASX J02454824+3651128 GiC 02 45 48.2658562632 +36 51 13.209583176           ~ 10 0
31 LEDA 74149 GiC 02 45 49.0 +36 57 30           ~ 3 0
32 [D80] ACO 376 22 GiC 02 45 50.5 +36 39 37           ~ 2 0
33 LEDA 74152 GiC 02 45 54.0 +36 57 16   16.95       ~ 4 0
34 2MASX J02455416+3649588 GiC 02 45 54.1606838016 +36 49 58.815520320           ~ 6 0
35 2MASX J02460247+3641268 GiC 02 46 02.5238734944 +36 41 26.510637912           ~ 5 0
36 2MASX J02460325+3653038 GiC 02 46 03.2481403728 +36 53 03.492081060           ~ 3 0
37 UGC 2232 BiC 02 46 03.9460542576 +36 54 18.840411612   15.50       ~ 44 1
38 2MASX J02460609+3657107 GiC 02 46 06.1040535840 +36 57 10.471681440           ~ 4 0
39 2MASX J02460618+3658417 GiC 02 46 06.2049468312 +36 58 41.744395272   16.55       ~ 5 0
40 LEDA 74159 GiC 02 46 06.8 +36 54 23           ~ 3 0
41 2MFGC 2207 GiC 02 46 07.5869179656 +36 48 20.411582724   16.65       ~ 8 0
42 LEDA 74160 GiC 02 46 07.7 +36 54 30           ~ 4 0
43 2MASX J02460913+3647048 GiC 02 46 09.133 +36 47 04.86           ~ 4 0
44 LEDA 74163 GiC 02 46 09.5 +36 55 18           ~ 3 0
45 LEDA 74166 GiC 02 46 17.2 +36 54 59           ~ 3 0
46 LEDA 74168 GiC 02 46 19.8 +36 54 56           ~ 3 0
47 2MASX J02462067+3655159 GiC 02 46 20.6813481000 +36 55 15.617951976           ~ 6 0
48 LEDA 74172 GiC 02 46 21.5 +36 57 49   17.09       ~ 4 0
49 2MASX J02462407+3628199 GiC 02 46 24.0807946728 +36 28 20.253390348           ~ 2 0
50 2MASX J02462418+3652360 GiC 02 46 24.188 +36 52 36.00           ~ 3 0
51 2MASX J02462443+3654039 GiC 02 46 24.4723897584 +36 54 03.768900660           ~ 4 0
52 LEDA 74176 GiC 02 46 24.67 +36 28 24.9           ~ 3 0
53 LEDA 74181 GiC 02 46 28.6 +36 58 46           ~ 3 0
54 2MASX J02463717+3633250 GiC 02 46 37.1860197768 +36 33 24.647567076           ~ 4 0
55 LEDA 74188 GiC 02 46 42.7 +36 47 37           ~ 4 0
56 2MASX J02464352+3648314 G 02 46 43.5005191200 +36 48 31.459872240           ~ 3 0
57 2MASX J02464850+3632474 GiC 02 46 48.5229433632 +36 32 47.180850108           ~ 4 0
58 LEDA 74192 GiC 02 46 48.8 +36 53 29           ~ 3 0
59 2MASX J02464998+3658444 GiC 02 46 49.9904958000 +36 58 44.345886384   16.81       ~ 19 0
60 LEDA 74194 GiC 02 46 53.8 +36 47 08           ~ 3 0
61 LEDA 74196 GiC 02 46 56.8 +37 01 20           ~ 3 0
62 LEDA 74197 GiC 02 46 57.0 +36 52 49           ~ 3 0
63 LEDA 74198 GiC 02 46 59.7 +36 45 42           ~ 3 0
64 2MASX J02470417+3645345 GiC 02 47 04.2142412784 +36 45 34.292841444           ~ 3 0
65 LEDA 74201 GiC 02 47 21.70 +36 43 40.0           ~ 4 0
66 2MASX J02472463+3634494 GiC 02 47 24.6100268568 +36 34 49.108027980           ~ 4 0
67 2MASX J02472570+3636244 GiC 02 47 25.7309479848 +36 36 24.218617104           ~ 3 0
68 2MASX J02472912+3657444 GiC 02 47 29.129 +36 57 44.43           ~ 3 0
69 2MASX J02472961+3635294 GiC 02 47 29.6252950464 +36 35 29.777406684           ~ 4 0
70 2MASX J02472998+3652024 GiC 02 47 30.0146703816 +36 52 02.282578500           ~ 4 0
71 2MASX J02473508+3640554 GiC 02 47 35.1251317152 +36 40 55.086401388           ~ 4 0
72 2MASX J02473623+3651044 GiC 02 47 36.2575304448 +36 51 03.643138296           ~ 3 0
73 2MASX J02474664+3643544 GiC 02 47 46.6149604512 +36 43 54.949349496           ~ 4 0

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