306 citations
- Centre National de la Recherche ScientifiqueFR35 papers
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR6 papers
- Galaxies, Etoiles, Physique et InstrumentationFR6 papers
- Max Planck Institute for AstrophysicsDE5 papers
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78 papers · 1 filter
Missing baryons in shells around galaxy clusters
Dmitry Prokhorov
The cluster baryon fraction is estimated from the CMB-scattering leptonic component of the intracluster medium (ICM); however, the observed cluster baryon fraction is less than the…
Testing gravity on large scales. The skewness of the galaxy distribution at z~1
C. Marinoni, L. Guzzo, A. Cappi +54
We study the evolution of the low-order moments of the galaxy overdensity distribution over the redshift interval 0.7<z<1.5. We find that the variance and the normalized skewness e…
Simulating weak lensing on CMB maps
S. Basak, S. Prunet, K. Benabed
We present a fast, arbitrarily accurate method to simulate the effect of gravitational lensing of the Cosmic Microwave Background anisotropies and polarization fields by large scal…
Dark matter halo merger and accretion probabilities in the excursion set formalism
Esfandiar Alizadeh, Benjamin Wandelt
The merger and accretion probabilities of dark matter halos have so far only been calculated for an infinitesimal time interval. This means that a Monte-Carlo simulation with very…
The Gaia satellite: a tool for Emission Line Stars and Hot Stars
Christophe Martayan, Yves Fremat, Ronny Blomme +19
The Gaia satellite will be launched at the end of 2011. It will observe at least 1 billion stars, and among them several million emission line stars and hot stars. Gaia will provid…
ZAMS rotational velocities of Be/Oe stars and LGRBs progenitors in the Magellanic Clouds
Christophe Martayan, Jean Zorec, Yves Fremat
The Large and Small Magellanic Clouds are priviledged environments to perform tests of theoretical predictions at low metallicity on rotational velocities and stellar evolution. Ac…