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29
Junio 2018

The Halo-Galaxy connection and how to model it


Inicio: 12:15h
Ponente: Ismael Ferrero (ICE)
Lugar: Alberto Lobo

I will present the results after analysing the ability of the standard cold dark matter model with cosmological constant (ΛCDM) to reproduce observational results of the dynamics of galaxies. Using rotation curves of dwarf galaxies compiled from the literature, it is shown that the galaxy formation…
Inicio: 12:15h
Ponente: Ismael Ferrero (ICE)
Lugar: Alberto Lobo

I will present the results after analysing the ability of the standard cold dark matter model with cosmological constant (ΛCDM) to reproduce observational results of the dynamics of galaxies. Using rotation curves of dwarf galaxies compiled from the literature, it is shown that the galaxy formation efficiency represents a severe challenge at the low stellar mass of dwarf galaxies for this prevailing cosmological model. I will also show what is the process of creating a synthetic catalogs of galaxies through the implementation of the halo occupation distribution (HOD) in cosmological simulations, an efficient way to model the halo-galaxy connection.
Institute of Space Sciences (IEEC-CSIC)

Campus UAB, Carrer de Can Magrans, s/n
08193 Barcelona.
Phone: +34 93 737 9788
Email: ice@ice.csic.es
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An institute of the Consejo Superior de Investigaciones Científicas

An institute of the Consejo Superior de Investigaciones Científicas
Affiliated with the Institut d'Estudis Espacials de Catalunya

Affiliated with the Institut d'Estudis Espacials de Catalunya