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66 papers
Properties of gas phases around cosmic filaments at z=0 in the Illustris-TNG simulation
Daniela Galárraga-Espinosa, Nabila Aghanim, Mathieu Langer +1
We present the study of gas phases around cosmic-web filaments detected in the TNG300-1 hydro-dynamical simulation at redshift z=0. We separate the gas in five different phases acc…
Populations of filaments from the distribution of galaxies in numerical simulations
Daniela Galárraga-Espinosa, Nabila Aghanim, Mathieu Langer +2
We present a statistical study of the filamentary structures of the cosmic web in the large hydro-dynamical simulations Illustris-TNG, Illustris, and Magneticum at redshift z=0. We…
Magnetizing the Cosmic Web during Reionization
Mathieu Langer, Jean-Baptiste Durrive
Increasing evidence suggests that cosmological sheets, filaments, and voids may be substantially magnetized today. The origin of magnetic fields in the intergalactic medium (IGM) i…
Magnetising the Cosmic Web during Reionisation
Mathieu Langer, Jean-Baptiste Durrive
Evidence repeatedly suggests that cosmological sheets, filaments and voids may be substantially magnetised today. The origin of magnetic fields in the intergalactic medium is howev…
Planck 2018 results. I. Overview and the cosmological legacy of Planck
Planck Collaboration, Y. Akrami, F. Arroja +188
The European Space Agency's Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave…
Analytic growth rate of gravitational instability in self-gravitating planar polytropes
Jean-Baptiste Durrive, Mathieu Langer
Gravitational instability is a key process that may lead to fragmentation of gaseous structures (sheets, filaments, haloes) in astrophysics and cosmology. We introduce here a metho…