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Constraint on neutrino masses from SDSS-III/BOSS Ly forest and other cosmological probes
Nathalie Palanque-Delabrouille, Christophe Yèche, Julien Lesgourgues +11
We present constraints on the parameters of the CDM cosmological model in the presence of massive neutrinos, using the one-dimensional Ly forest power spectrum obtained with…
Transiting exoplanets from the CoRoT space mission XXV. CoRoT-27b: a massive and dense planet on a short-period orbit
H. Parviainen, D. Gandolfi, M. Deleuil +36
We report the discovery of a massive and dense transiting planet CoRoT-27b on a 3.58 day orbit around a 4.2 Gyr-old G2 star. The planet candidate was identified from the CoRoT phot…
New approach for precise computation of Lyman-alpha forest power spectrum with hydrodynamical simulations
A. Borde, N. Palanque-Delabrouille, G. Rossi +5
We present a suite of cosmological N-body simulations with cold dark matter and baryons aiming at modeling the low-density regions of the IGM as probed by the Lyman- forests at…
Suite of Hydrodynamical Simulations for the Lyman-Alpha Forest with Massive Neutrinos
Graziano Rossi, Nathalie Palanque-Delabrouille, Arnaud Borde +5
The signature left in quasar spectra by the presence of neutral hydrogen in the Universe allows one to constrain the sum of the neutrino masses with improved sensitivity, with resp…