516 citations
- Centre National de la Recherche ScientifiqueFR91 papers
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36 papers · 1 filter
Testing power-law cosmology with galaxy clusters
Zong-Hong Zhu, Ming Hu, J. S. Alcaniz +1
Power-law cosmologies, in which the cosmological scale factor evolves as a power law in the age, with $α\ga 1$, regardless of the matter content or cosmological epo…
Energy decay laws in strongly anisotropic MHD turbulence
Barbara Bigot, Sebastien Galtier, Helene Politano
We investigate the influence of a uniform magnetic field on energy decay laws in incompressible magnetohydrodynamic (MHD) turbulence. The nonlinear transfer red…
On the von Karman-Howarth equations for Hall MHD flows
S. Galtier
The von Karman-Howarth equations are derived for three-dimensional (3D) Hall magnetohydrodynamics (MHD) in the case of an homogeneous and isotropic turbulence. From these equations…
Asteroseismology of Procyon with SOPHIE
B. Mosser, F. Bouchy, M. Martic
This paper reports a 9-night asteroseismic observation program conducted in January 2007 with the new spectrometer Sophie at the OHP 193-cm telescope, on the F5 IV-V target Procyon…
Estimating the total infrared luminosity of galaxies up to z~2 from mid- and far-infrared observations
N. Bavouzet, H. Dole, E. Le Floc'h +3
We present the observed correlations between rest-frame 8, 24, 70 and 160 um monochromatic luminosities and measured total infrared luminosities L_IR of galaxies detected by Spitze…
SZ and CMB reconstruction using Generalized Morphological Component Analysis
J. Bobin, Y. Moudden, J. -L. Starck +2
In the last decade, the study of cosmic microwave background (CMB) data has become one of the most powerful tools to study and understand the Universe. More precisely, measuring th…