Fermi and the surprises of the gamma-ray sky

by | Nov 13, 2014 | Events, Talk

Fermi and the surprises of the gamma-ray sky In its first six years of operations, the Fermi Gamma-ray Space Telescope has revolutionized our view of the gamma-ray Universe. The Large Area Telescope (LAT), the main instrument onboard Fermi, has discovered more than...

Intrinsic alignments: theoretical and numerical insights

by | Nov 11, 2014 | Events, Talk

Intrinsic alignments: theoretical and numerical insights In this talk, I will show how both dark matter and hydrodynamical simulations predict that the morphology of galaxies is correlated with the cosmic web. This large-scale coherence of galaxy shapes could possibly...

Cosmological Simulations of Galaxy Cluster Outskirts

by | Nov 10, 2014 | Events, Talk

Cosmological Simulations of Galaxy Cluster Outskirts The observational study of galaxy cluster outskirts is a new territory to probe the thermodynamic and chemical structure of the X-ray emitting intracluster medium (ICM). Cluster outskirts are particularly important...

Massive neutrinos and the Large Scale Structure of the Universe

by | Nov 7, 2014 | Events, Talk

Massive neutrinos and the Large Scale Structure of the Universe Massive neutrinos have peculiar effects on several observables in current and future redshift surveys. A precise determination of them is crucial not only to constraint properly neutrino masses but also...
Black hole gamma-ray lightning

Black hole gamma-ray lightning

by | Nov 6, 2014 | News, Science

Black hole gamma-ray lightning 2014-11-06 00:00:00 The MAGIC telescopes at La Palma have recorded the fastest gamma-ray flares seen to date, produced in the vicinity of a super-massive black hole. The scientists explain this phenomenon by a mechanism similar to that...