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Angular correlation functions of X-ray point-like sources in the full exposure XMM-LSS field
A. Elyiv, N. Clerc, M. Plionis +8
Our aim is to study the large-scale structure of different types of AGN using the medium-deep XMM-LSS survey. We measure the two-point angular correlation function of ~ 5700 and 25…
A Chandra view of the z=1.62 galaxy cluster IRC-0218A
M. Pierre, N. Clerc, B. Maughan +3
Context: Very few z > 1.5 clusters of galaxies are known. It is important to study the properties of galaxies in these clusters and the ICM and, further, to cross-check the reliabi…
Covariance matrices for halo number counts and correlation functions
Patrick Valageas, Nicolas Clerc, Florian Pacaud +1
We study the mean number counts and two-point correlation functions, along with their covariance matrices, of cosmological surveys such as for clusters. In particular, we consider…
Wavelet analysis of baryon acoustic structures in the galaxy distribution
P. Arnalte-Mur, A. Labatie, N. Clerc +5
Baryon Acoustic Oscillations (BAO) are a feature imprinted in the density field by acoustic waves travelling in the plasma of the early universe. Their fixed scale can be used as a…