Charla
Simulating cosmic reionization
The first galaxies are thought to have started the reionization of the Universe, that is the transformation of the cosmic hydrogen from its initial neutral to...
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PublicaciónStar Formation Histories of Ultra-faint Dwarf Galaxies: Environmental Differences between Magellanic and Non-Magellanic Satellites?We present the color-magnitude diagrams and star formation histories (SFHs) of seven ultra-faint dwarf galaxies: Horologium 1, Hydra 2, Phoenix 2, Reticulum 2...
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CharlaStar formation modes and population gradients in simulated dwarf galaxiesToday we largely understand the large scale evolution of the Universe but we have only little knowledge of the small scale physics involved in forming and...
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CharlaTales from the Milky Way's dwarf galaxiesThe immediate surroundings of our Milky Way galaxy are home to a number of dwarf galaxies, whose variety in shape, size, spatial location and velocity tells us...
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PublicaciónThe distance to the Pegasus Dwarf Irregular Galaxy: an open questionThe distance of the Pegasus Dwarf Irregular Galaxy is discussed in the light of new, deep photometry of the resolved stars taken in the bands V, R, and I of the...
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CharlaThe emergence of Low Surface Brightness GalaxiesLow Surface Brightness galaxies are extremely dark matter dominated, faint objects hardly distinguishable from the night sky. In the last decade it has became...
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PublicaciónThe Fast X-Ray Transient XRT 210423 and Its Host GalaxyFast X-ray Transients (FXTs) are X-ray flares with durations ranging from a few hundred seconds to a few hours. Possible origins include the tidal disruption of...
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CharlaThe Impact of Dwarf-Dwarf Galaxy Tidal InteractionsTwo competing effects appear to govern galaxy multiplicity (pairs orgroups) at low masses: while associations of low-mass haloes are naturally expected in a...
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PublicaciónThe Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. I. Survey Overview and First Results for Andromeda IAn optical monitoring survey in nearby dwarf galaxies was carried out with the 2.5 m Isaac Newton Telescope. Fifty-five dwarf galaxies and four isolated...