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Generation of rotationally dominated galaxies by mergers of pressure-supported progenitors
P. Di Matteo, C. J. Jog, M. D. Lehnert +2
Through the analysis of a set of numerical simulations of major mergers between initially non-rotating, pressure supported progenitor galaxies with a range of central mass concentr…
NGC 6340: an old S0 galaxy with a young polar disc. Clues from morphology, internal kinematics and stellar populations
Igor Chilingarian, Alexandra Novikova, Veronique Cayatte +3
Lenticular galaxies are believed to form by a combination of environmental effects and secular evolution. We study the nearby disc-dominated S0 galaxy NGC 6340 photometrically and…
On the survival of metallicity gradients to major dry-mergers
P. Di Matteo, A. Pipino, M. D. Lehnert +2
Using a large suite of galaxies with a variety of concentrations and metallicity gradients, we study the evolution of non-dissipative ("dry") equal mass mergers. Our purpose in gen…
Physical conditions in the ISM of intensely star-forming galaxies at redshift~2
M. D. Lehnert, N. P. H. Nesvadba, L. Le Tiran +5
We analyze the physical conditions in the interstellar gas of 11 actively star-forming galaxies at z~2, based on integral-field spectroscopy from the ESO-VLT and HST/NICMOS imaging…