2008MNRAS.391.1341M


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.16CEST13:27:37

2008MNRAS.391.1341M - Mon. Not. R. Astron. Soc., 391, 1341-1349 (2008/December-2)

The density contrast of the Shapley supercluster.

MUNOZ J.A. and LOEB A.

Abstract (from CDS):

We calculate the density contrast of the Shapley supercluster (SSC) based on the enhanced abundance of X-ray clusters in it using the extended Press-Schechter formalism. We derive a total SSC mass of Mtot= (4.4 ±0.44)x1016M within a sphere of 50Mpc centred at a distance of about 160Mpc. The non-linear fractional density contrast of the sphere is (1 + δ) = 1.76±0.17 relative to the mean matter density in the Universe, but the contrast increases in the interior of the SSC. Including the cosmological constant, the SSC region is found to be gravitationally unbound. The SSC contributes only a minor portion (9.0±2.1 per cent) of the peculiar velocity of the Local Group.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): Local Group - large-scale structure of Universe

CDS comments: Objects B1, B6 (T.1), B8 (text) are <[DSE2005] BN> in SIMBAD.

Simbad objects: 24

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Number of rows : 24

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 ACO 721 ClG 08 59 31 +61 17.3           ~ 5 0
2 RBS 1175 ClG 12 52 34.93 -31 15 56.8           ~ 22 0
3 ACO 1631 ClG 12 52 50.6 -15 25 37           ~ 166 1
4 ACO 3528 ClG 12 54 18.2 -29 01 16           ~ 150 1
5 NAME A3528-N ClG 12 54 22.1 -29 00 46           ~ 34 0
6 NAME A3528-S ClG 12 54 40.6 -29 13 44           ~ 53 0
7 ACO 3530 ClG 12 55 36 -30 21.2           ~ 91 0
8 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 338 1
9 ACO 3532 ClG 12 57 19.2 -30 22 13           ~ 157 2
10 [DSE2005] B1 ClG 12 59 11 -21 54.7           ~ 2 0
11 [DSE2005] B6 ClG 12 59 11 -21 54.7           ~ 2 0
12 NAME SHAPLEY-CENTAURUS CL SCG 13 06.0 -33 04           ~ 521 0
13 ACO 3548 ClG 13 13 29 -44 04.9           ~ 10 1
14 ACO 3556 ClG 13 24 06.2 -31 39 38           ~ 140 0
15 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 239 2
16 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 410 2
17 [BZM96] 8 ClG 13 29 47 -31 36.5           ~ 59 1
18 BAX 202.9000-31.8128 ClG 13 31 36 -31 48.8           ~ 69 1
19 RX J1332.2-3303 ClG 13 32 01.3 -33 03 51           ~ 4 0
20 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 287 1
21 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 267 2
22 2MAXI J1409-428 ClG 14 10 28.5 -42 46 37           ~ 11 0
23 NAME Local Group GrG ~ ~           ~ 7232 0
24 [DSE2005] B8 X ~ ~           ~ 2 0

    Equat.    Gal    SGal    Ecl

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2021.04.16-13:27:37

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