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Minor mergers and their impact on the kinematics of old and young stellar populations in disk galaxies
Y. Qu, P. Di Matteo, M. D. Lehnert +2
By means of N-body simulations we investigate the impact of minor mergers on the angular momentum and dynamical properties of the merger remnant. Our simulations cover a range of i…
The Average Optical Spectra of Intense Starbursts at z~2: Outflows and the Pressurization of the ISM
L. Le Tiran, M. D. Lehnert, W. van Driel +2
An important property of star-forming galaxies at z~1-2 is the high local star-formation intensities they maintain over tens of kiloparsecs at levels that are only observed in the…
Can Cosmological Accretion be Observed in H-alpha at z~2?
Loïc Le Tiran, Matthew D. Lehnert, Paola Di Matteo +2
In previous studies, it has been shown that the large line widths observed in high surface brightness H-alpha emitters at low and high redshifts are likely due to the mechanical en…
Characteristics of thick disks formed through minor mergers: stellar excesses and scale lengths
Yan Qu, Paola Di Matteo, Matthew D. Lehnert +1
By means of N-body/SPH simulations we investigate the morphological properties of thick disks formed through minor mergers. We show that the vertical surface density profile of the…
Gas inflows, star formation and metallicity evolution in galaxy pairs
P. Di Matteo, M. Montuori, M. D. Lehnert +2
It has been known since many decades that galaxy interactions can induce star formation (hereafter SF) enhancements and that one of the driving mechanisms of this enhancement is re…