Early-type dwarfs (dEs) are by far the most abundant galaxy population in nearby clusters. Whether these objects are primordial, or recent end-products of the...
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TalkGlobular cluster systems and the origin of early-type dwarfs in Virgo
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TalkGlobular clusters systems and their host dark matter halos
In the Λ-CDM galaxy formation paradigm, the star formation history of a galaxy is coupled to the total mass of its dark matter halo through processes like...
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PublicationHistorical Perspectives on the Concept of Galaxy Size
A brief narrative on how the effective radius and isophotal diameters were accepted as galaxy size measures is presented. Evidence suggests that these...
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TalkHow simple are galaxies?
Galaxies are arguably complex systems. However, they also display many scaling relations between their physical properties, hinting that it might be possible to...
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TalkHunting for VIPERS red nuggets - traces of the past
Vimos Public Extragalactic Redshift Survey (VIPERS) is a spectroscopic survey designed to investigate the spatial distribution of ~90k galaxies on redshift 0.4...
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TalkIndiana Jones and where to find relic galaxies
There are galaxies that remain untouched since the ancient Universe. These unique objects, the so-called relic galaxies, are several times more massive than our...
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TalkInteracting Binary Stars and Stellar Populations
Spectroscopic analysis of stellar populations is widely used to understand the history of many systems including globular clusters, nuclear star clusters, dwarf...
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TalkIntroduction of new postdocs. (1) Stellar magnetic fields, (2) My humble efforts to understand galaxy formation and evolution, (3) Waiting for Herschel: my perspective
(1) Stellar magnetic fields. Spectro-polarimetry is a very powerful tool to diagnose magnetic fields in a large variety of astrophysical objects. My research...
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TalkIs the riddle of the astronomical Li origin solved?
Lithium is a key element which plays an important role in astronomy as well as everyday human life. Nevertheless it is probably the only element whose...