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Showing 1 to 5 of 5 for “"Settore PHYS-05/A - Astrofisica, cosmologia e scienza dello spazio"”.
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ON METAL ABUNDANCE AND ENTROPY OF THE ICM: THE TWIN TRACERS OF BARYON EVOLUTION IN GALAXY CLUSTERS
… are ideal systems for both cosmological and astrophysical studies, and their physical properties are determined by an interplay between baryonic and non-baryonic components. In particular, the main baryonic component of a cluster is the intracluster medium (ICM), the hot and diffuse gas that …
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STRONG GRAVITATIONAL LENSING MODELLING OF GALAXY CLUSTERS IN THE ERA OF BIG DATA
Current observational facilities and surveys are revolutionizing the field of strong lensing (SL) by galaxy clusters. Remarkably, the Euclid Survey will cover approximately 15,000 square degrees of the sky, detecting SL features in thousands of massive clusters. Complementarily, the James Webb …
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ASSESSING THE ROLE OF EXTERNAL PHOTOEVAPORATION OF PROTOPLANETARY DISCS IN NEARBY STAR-FORMING REGIONS
Characterising the physical processes driving protoplanetary disc evolution and the connection to the star-forming environment is essential to understanding planet formation and diversity. Most stars (and their discs) in the Galaxy form in massive clusters where the intense UV radiation emitted by …
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FOREGROUND CONTROL AND CHARACTERIZATION IN COSMIC MICROWAVE BACKGROUND EXPERIMENTS
The CMB is a relic radiation from the early stage of the Universe, when radiation was initially coupled with the primordial plasma, currently detected as a blackbody spectrum in the microwave range. Measuring its intensity anisotropies and the so-called E-modes polarization pattern have proven to …
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FROM DATA PRODUCTION TO SEARCH FOR GALACTIC COSMICRAY SOURCES WITH THE PIERRE AUGER OBSERVATORY
Astroparticle physics, at the crossroads of astrophysics and particle physics, investigates ultra-high-energy cosmic rays (UHECRs), the most energetic particles known in the Universe. Despite decades of research, their origins remain elusive. These particles are detected through extensive air …