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Browsing by Author "Ledo, H.~R."
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Nuclear discs as clocks for the assembly history of early-type galaxies: the case of NGC 4458
Sarzi, M.; Ledo, H.~R.; Coccato, L.; Corsini, E.~M.; Dotti, M.; Khochfar, S.; Maraston, C.; Morelli, L.; Pizzella, A. (2016-04-01)Approximately 20 per cent of early-type galaxies host small nuclear stellar discs that are tens to a few hundred parsecs in size. Such discs are expected to be easily disrupted during major galactic encounters, hence their ... -
On the fragility of nuclear stellar discs against galaxy mergers: surviving photometric and kinematic signatures of nuclear discs
Sarzi, M.; Ledo, H.~R.; Dotti, M. (2015-10-11)Nuclear stellar discs (NSDs) can help to constrain the assembly history of their host galaxies, as long as we can assume them to be fragile structures that are disrupted during merger events. In this work we investigate ...