2003A&A...408...43D

Query : 2003A&A...408...43D

2003A&A...408...43D - Astronomy and Astrophysics, volume 40843-49 (2003/9-2)

Measuring Ωm using clusters evolution.

DEL POPOLO A.

Abstract (from CDS):

The constraints obtained by several authors (Eke et al., 1998MNRAS.298.1145E; Henry, 2000ApJ...534..565H) on the estimated values of Ωm, n and σ8 are revisited in the light of recent theoretical developments: 1) new theoretical mass functions; 2) a more accurate mass-temperature relation, also determined for arbitrary Ωm and ΩΛ. I re-derive the X-ray Temperature Function (XTF), similarly to Henry (2000ApJ...534..565H) and Eke et al. (2000MNRAS.315L..18E), re-obtaining the constraints on Ωm, n, σ8. The result shows that changes in the mass function and M-T relation produces an increase in Ωm of ≃20% and similar results in σ8 and n.

Abstract Copyright: ∼

Journal keyword(s): cosmology: theory - large-scale structure of Universe - galaxies: formation

Simbad objects: 1

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Number of rows : 1
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 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3

Query : 2003A&A...408...43D

Basic data :
ClG J0152-1358 -- Cluster of Galaxies
Other object types: otypes_help 		ClG (2007ApJS,ClG,...), X (RX,WARPS,...), gLe (2013MNRAS)
ICRS coord. (ep=J2000) : 		01 52 41.3 -13 58 13 (X-ray) [ 20000 20000 90 ] E 2007ApJS..172..561B
FK4 coord. (ep=B1950 eq=1950) : 		01 50 15.4 -14 12 59 [ 20000 20000 90 ]
Gal coord. (ep=J2000) : 		173.3426 -70.5764 [ 20000 20000 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 161922 [~] / z(spectroscopic) 0.83 [~] / cz 248828 [~]
   (Opt) D 2012MNRAS.423.1024M
Fluxes (1) :
K 16.657 [0.010] B 2013MNRAS.433..825L
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1
: 149 		: 56 Display criteria :

Identifiers (11) :
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ClG J0152-1358 ClG J0152-1357 RX J0152.7-1357 XMMXCS J0152.7-1357
ACT-CL J0152.7-1357 MCXC J0152.6-1358 WARPS J0152.7-1357 [BVH2007] 18
BAX 028.1708-13.9625 RDCS J0152-1357 XMMXCS J015242.2-135746.8

References (262 between 1850 and 2026) (Total 262)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 1   

   

Observing logs
Herschel : 22    XMM : 1   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : ClG J0152-1358

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Notes (1) :

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