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- Centre National de la Recherche ScientifiqueFR899 papers
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28 papers · 2 filters
The Sydney-AAO Multi-object Integral field spectrograph (SAMI)
Scott M. Croom, Jon S. Lawrence, Joss Bland-Hawthorn +22
We demonstrate a novel technology that combines the power of the multi-object spectrograph with the spatial multiplex advantage of an integral field spectrograph (IFS). The Sydney-…
Computation of the Power Spectrum in Chaotic Inflation
Clara Rojas, Victor M. Villalba
The phase-integral approximation devised by Fröman and Fröman, is used for computing cosmological perturbations in the quartic chaotic inflationary model. The phase-integral formul…
The WiggleZ Dark Energy Survey: Cosmological neutrino mass constraint from blue high-redshift galaxies
Signe Riemer-Sørensen, Chris Blake, David Parkinson +25
The absolute neutrino mass scale is currently unknown, but can be constrained from cosmology. The WiggleZ high redshift star-forming blue galaxy sample is less sensitive to systema…
Resolving high Reynolds numbers in SPH simulations of subsonic turbulence
Daniel J. Price
Accounting for the Reynolds number is critical in numerical simulations of turbulence, particularly for subsonic flow. For Smoothed Particle Hydrodynamics (SPH) with constant artif…
Galaxy and Mass Assembly (GAMA): ugriz galaxy luminosity functions
J. Loveday, P. Norberg, I. K. Baldry +31
Galaxy and Mass Assembly (GAMA) is a project to study galaxy formation and evolution, combining imaging data from ultraviolet to radio with spectroscopic data from the AAOmega spec…
Using Observations of Distant Quasars to Constrain Quantum Gravity
Eric S. Perlman, Y. Jack Ng, David J. E. Floyd +1
Aims. The small-scale nature of spacetime can be tested with observations of distant quasars. We comment on a recent paper by Tamburini et al. (A&A, 533, 71) which claims that Hubb…