2008MNRAS.383..102A


C.D.S. - SIMBAD4 rel 1.7 - 2020.05.27CEST09:29:48

2008MNRAS.383..102A - Mon. Not. R. Astron. Soc., 383, 102-112 (2008/January-1)

Scaling relations of the colour-detected cluster RzCS 052 at z = 1.016 and some other high-redshift clusters.

ANDREON S., DE PROPRIS R., PUDDU E., GIORDANO L. and QUINTANA H.

Abstract (from CDS):

We report on the discovery of the z = 1.016 cluster RzCS 052 using a modified red-sequence method, follow up spectroscopy and X-ray imaging. This cluster has a velocity dispersion of 710±150km/s, a virial mass of 4.0x1014M(based on 21 spectroscopically confirmed members) and an X-ray luminosity of (0.68±0.47)x1044 erg/s in the [1-4] keV band. This optically selected cluster appears to be of richness class 3 and to follow the known LXv relation for high-redshift X-ray selected clusters. Using these data, we find that the halo occupation number for this cluster is only marginally consistent with what was expected assuming a self-similar evolution of cluster scaling relations, suggesting perhaps a break of them at z ∼ 1. We also rule out a strong galaxy merging activity between z = 1 and today. Finally, we present a Bayesian approach to measuring cluster velocity dispersions and X-ray luminosities in the presence of a background: we critically reanalyse recent claims for X-ray underluminous clusters using these techniques and find that the clusters can be accommodated within the existing LXvrelation.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): methods: statistical - galaxies: clusters: general - galaxies: clusters: individual: RzCS 052 - galaxies: evolution - dark matter - X-rays: galaxies: clusters

Nomenclature: Table 1: [ADP2008] JHHMMSS.ss+DDMMSS.s N=21. Text: RzCS NNN (No. 052).

Status at CDS:  

CDS comments: RzCS 058 not identified.

Simbad objects: 35

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Number of rows : 35

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 241 3
2 NAME XMM-LSS Field reg 02 18 00 -07 00.0           ~ 168 0
3 [ADP2008] J022136.21-032456.0 GiC 02 21 36.21 -03 24 56.0           ~ 2 0
4 [ADP2008] J022137.08-032428.4 GiC 02 21 37.08 -03 24 28.4           ~ 2 0
5 [ADP2008] J022137.60-032138.0 GiC 02 21 37.60 -03 21 38.0           ~ 2 0
6 [ADP2008] J022138.85-032340.7 GiC 02 21 38.85 -03 23 40.7           ~ 2 0
7 [ADP2008] J022139.60-032200.9 GiC 02 21 39.60 -03 22 00.9           ~ 2 0
8 [ADP2008] J022140.32-031903.4 GiC 02 21 40.32 -03 19 03.4           ~ 2 0
9 [ADP2008] J022140.46-031835.6 GiC 02 21 40.46 -03 18 35.6           ~ 2 0
10 [ADP2008] J022141.13-032441.2 GiC 02 21 41.13 -03 24 41.2           ~ 2 0
11 [ADP2008] J022141.73-032335.2 GiC 02 21 41.73 -03 23 35.2           ~ 2 0
12 RCS J022144-0321.7 ClG 02 21 42.0 -03 21 47           ~ 15 0
13 [ADP2008] J022142.04-032154.1 GiC 02 21 42.04 -03 21 54.1           ~ 2 0
14 [ADP2008] J022142.14-032007.0 GiC 02 21 42.14 -03 20 07.0           ~ 2 0
15 [ADP2008] J022142.52-032243.6 GiC 02 21 42.52 -03 22 43.6           ~ 2 0
16 [ADP2008] J022142.81-032248.8 GiC 02 21 42.81 -03 22 48.8           ~ 2 0
17 [ADP2008] J022143.15-032115.2 GiC 02 21 43.15 -03 21 15.2           ~ 2 0
18 [ADP2008] J022143.87-032106.0 GiC 02 21 43.87 -03 21 06.0           ~ 2 0
19 [ADP2008] J022143.96-032027.9 GiC 02 21 43.96 -03 20 27.9           ~ 2 0
20 [ADP2008] J022144.85-032204.3 GiC 02 21 44.85 -03 22 04.3           ~ 2 0
21 [ADP2008] J022144.90-032144.5 GiC 02 21 44.90 -03 21 44.5           ~ 2 0
22 [ADP2008] J022145.21-032125.5 GiC 02 21 45.21 -03 21 25.5           ~ 2 0
23 [ADP2008] J022145.24-032044.3 GiC 02 21 45.24 -03 20 44.3           ~ 2 0
24 [ADP2008] J022148.33-032048.6 GiC 02 21 48.33 -03 20 48.6           ~ 2 0
25 2XLSSd J022404.2-041331 ClG 02 24 04.19 -04 13 26.6           ~ 39 0
26 2XLSSd J022738.1-031802 ClG 02 27 38.20 -03 17 56.9           ~ 21 0
27 ClG J0848+4453 ClG 08 48 34.800 +44 53 41.90           ~ 122 1
28 ClG J0910+5422 ClG 09 10 44.9 +54 22 09           ~ 86 0
29 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 449 0
30 ClG J1226+3332 ClG 12 26 57.7 +33 32 50           ~ 194 0
31 ClG J1252-2927 ClG 12 52 54.4 -29 27 17           ~ 151 0
32 ClG 1603+4313 ClG 16 04 23.7 +43 04 52           ~ 127 1
33 ClG J1716+6708 ClG 17 16 49.6 +67 08 30           ~ 130 0
34 ClG 1821+6827 ClG 18 21 33 +68 27.9           ~ 28 0
35 ClG J2235-2557 ClG 22 35 20.6 -25 57 42           ~ 138 0

    Equat.    Gal    SGal    Ecl

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2020.05.27-09:29:48

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