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Cosmological Parameter Estimation from CMB and X-ray clusters
M. Douspis, A. Blanchard, R. Sadat +1
We present the results of a combined analysis of cosmic microwave background (CMB) and X-ray galaxy clusters baryon fraction to deduce constraints over 6 in flationnary cosmologica…
Simulations of Sunyaev-Zel'dovich maps and their applications
J. Delabrouille, J. -B. Melin, J. G. Bartlett
We describe a fast method to simulate in a semi-analytical way consistent maps of the thermal, kinetic and polarised Sunyaev-Zel'dovich effect, featuring both cluster spatial corre…
Archeops: A High Resolution, Large Sky Coverage Balloon Experiment for Mapping CMB Anisotropies
A. Benoit, P. Ade, A. Amblard +3
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large frac…
The XMM-Newton Project
J. G. Bartlett, N. Aghanim, M. Arnaud +16
The abundance of high-redshift galaxy clusters depends sensitively on the matter density $\OmM$ and, to a lesser extent, on the cosmological constant . Measurements of this abun…
Cosmology from Cosmic Microwave Background and Galaxy Clusters
M. Douspis, A. Blanchard, R. Sadat +2
We present the results of analysis of constraints on cosmological parameters from cosmic microwave background (CMB) alone and in combination with galaxy cluster baryon fraction ass…
Concerning Parameter Estimation Using the Cosmic Microwave Background
M. Douspis, J. G. Bartlett, A. Blanchard +1
Most parameter constraints obtained from cosmic microwave background (CMB) anisotropy data are based on power estimates and rely on approximate likelihood functions; computational…