Halo mass and assembly history exposed in the faint outskirts: the stellar and dark matter haloes of Illustris galaxies

Halo mass and assembly history exposed in the faint outskirts: the stellar and dark matter haloes of Illustris galaxies

We use the Illustris simulations to gain insight into the build-up of the outer, low-surface brightness regions which surround galaxies. We characterize the stellar haloes by means of the logarithmic slope of the spherically averaged stellar density profiles, α[subscript STARS] at z = 0, and we rela...

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Bibliographic Details
Main Authors: Pillepich, Annalisa, Vogelsberger, Mark, Deason, Alis, Rodriguez-Gomez, Vicente, Genel, Shy, Nelson, Dylan, Torrey, Paul, Sales, Laura V., Marinacci, Federico, Springel, Volker, Sijacki, Debora, Hernquist, Lars
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: Oxford University Press 2015
Online Access:http://hdl.handle.net/1721.1/98449
https://orcid.org/0000-0001-8593-7692

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