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The formation of a thick disk through the heating of a thin disk: Agreement with orbital eccentricities of stars in the solar neighborhood
P. Di Matteo, M. D. Lehnert, Y. Qu +1
We study the distribution of orbital eccentricities of stars in thick disks generated by the heating of a pre-existing thin stellar disk through a minor merger (mass ratio 1:10), u…
Extreme Starbursts in the Local Universe
R. M. Gonzalez Delgado, J. Rodriguez Zaurin, E. Perez +44
The "Extreme starbursts in the local universe" workshop was held at the Insituto de Astrofisica de Andalucia in Granada, Spain on 21-25 June 2010. Bearing in mind the advent of a n…
Radial migration in galactic disks caused by resonance overlap of multiple patterns: Self-consistent simulations
I. Minchev, B. Famaey, F. Combes +3
We have recently identified a new radial migration mechanism resulting from the overlap of spiral and bar resonances in galactic disks. Here we confirm the efficiency of this mecha…
The GalMer database: Galaxy Mergers in the Virtual Observatory
Igor Chilingarian, Paola Di Matteo, Francoise Combes +2
We present the GalMer database, a library of galaxy merger simulations, made available to users through tools compatible with the Virtual Observatory (VO) standards adapted special…
The dilution peak, metallicity evolution, and dating of galaxy interactions and mergers
M. Montuori, P. Di Matteo, M. D. Lehnert +2
Strong inflows of gas from the outer disk to the inner kiloparsecs are induced during the interaction of disk galaxies. This inflow of relatively low-metallicity gas dilutes the me…
Reionization by UV or X-ray sources
S. Baek, B. Semelin, P. Di Matteo +2
We present simulations of the 21-cm signal during the epoch of reionization. We focus on properly modeling the absorption regime in the presence of inhomogeneous Wouthuysen-Field e…
The slowing down of galaxy disks in dissipationless minor mergers
Yan Qu, Paola Di Matteo, Matthew Lehnert +2
We have investigated the impact of dissipationless minor galaxy mergers on the angular momentum of the remnant. Our simulations cover a range of initial orbital characteristics and…