Search results for "CD- galaxies: evolution"

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BCG Mass Evolution in Cosmological Hydro-Simulations

2018

We analyze the stellar growth of Brightest Cluster Galaxies (BCGs) produced by cosmological zoom-in hydrodynamical simulations of the formation of massive galaxy clusters. The evolution of the stellar mass content is studied considering different apertures, and tracking backwards either the main progenitor of the $z=0$ BCG or that of the cluster hosting the BCG at $z=0$. Both methods lead to similar results up to $z \simeq 1.5$. The simulated BCGs masses at $z=0$ are in agreement with recent observations. In the redshift interval from $z=1$ to $z=0$ we find growth factors 1.3, 1.6 and 3.6 for stellar masses within 30kpc, 50kpc and 10% of $R_{500}$ respectively. The first two factors, and in…

NUMERICAL [METHODS]Ciencias FísicasFOS: Physical sciencesEVOLUTION [CD- GALAXIES]Astrophysics::Cosmology and Extragalactic AstrophysicsGalaxies: formationELLIPTICAL AND LENTICULAR [GALAXIES]01 natural sciencesGENERAL [QUASARS]CD- galaxies: evolution; Galaxies: elliptical and lenticular; Galaxies: formation; Galaxies: haloes; Methods: numerical; Quasars: general; Astronomy and Astrophysics; Space and Planetary Science//purl.org/becyt/ford/1 [https]haloe [Galaxies]HALOES [GALAXIES]0103 physical sciencesGalaxies: haloesFORMATION [GALAXIES]010303 astronomy & astrophysicsAstrophysics::Galaxy AstrophysicsPhysicsGalaxies: elliptical and lenticularMethods: numerical010308 nuclear & particles physicsAstronomy and Astrophysics//purl.org/becyt/ford/1.3 [https]Astronomy and AstrophysicCD- galaxies: evolutionAstrophysics - Astrophysics of GalaxiesAstronomíaQuasars: general13. Climate actionSpace and Planetary ScienceAstrophysics of Galaxies (astro-ph.GA)HumanitiesCIENCIAS NATURALES Y EXACTASMonthly Notices of the Royal Astronomical Society
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