Colour-detected clusters in the XMM Large Scale Structure Survey
Astrophysics
2007-05-23 v1
Abstract
We present first results on the use of a colour space filter for detecting galaxy clusters at cosmological redshifts in the XMM Large Scale Structure Survey. All clusters studied, but one, are successfully colour--detected in spite of their large redshift (0.3<z<1.0), X-ray selection and intrinsic low richness (R=0 or below). We experimentally show that the cluster redshift can be derived, with good accuracy, from the colour of the red sequence, at 0.06<z<1 using a sample of about 160 clusters.
Keywords
Cite
@article{arxiv.astro-ph/0405574,
title = {Colour-detected clusters in the XMM Large Scale Structure Survey},
author = {S. Andreon and J. Willis and H. Quintana and I. Valtchanov and M. Pierre and F. Pacaud},
journal= {arXiv preprint arXiv:astro-ph/0405574},
year = {2007}
}
Comments
Contributed to XXXIX Rencontres de Moriond "Exploring the Universe. Contents and Structure of the Universe", La Thuile, Aosta, Italy, March 28 - April 4, 2004