A joint fit to the cosmological Model and the T-M and L_x-T relations using cluster data

Details A joint fit to the cosmological Model and the T-M and L_x-T relations using cluster data A joint fit to the cosmological Model and the T-M and L_x-T relations using cluster data

2001-04-12

arxiv.org/abs/astro-ph/0104217v1

Astronomy and Astrophysics

Astrophysics

Proceedings of 'Galaxy Clusters and the High Redshift Universe Observed in X-rays' at XXIth Moriond Astrophysics Meeting (Marc

Scientific paper

In this work we show how well can the cosmological parameters be constrained using galaxy cluster data. We also show how in the process of fitting the model which attempts to describe the data it is possible to get some information about the cluster scaling relations T-M and L_x-T. Among other conclusions we found that only low density universes (Omega approx. 0.3 with or without cosmological constant) are compatible with recent data sets. These constraints will be improved with future SZ data.

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