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Dr. Matteo Viel: Our Universe at Intergalactic Scales

Date: 24. 10. 2012
Source: Astrodebate
Z nami bo raziskovalec Matteo Viel iz Tržaškega astronomskega observatorija, ki nam bo predaval o medgalaktični snovi in njenem pomenu za kozmologijo. Vabljeni v torek, 30. oktobra 2012 ob 14.uri v predavalnico F6, Jadranska 19, Ljubljana!

 

Our Universe at Intergalactic Scales

dr. Matteo Viel
INAF-OATS

 

I will discuss the cosmological importance of the matter that is filling the space between galaxies: the Intergalactic Medium (IGM). I will focus on three IGM-related issues: its role as a tracer of the large scale structure; how it can be used to constrain fundamental physical properties (nature of dark matter, variation of fundamental constants and more importantly neutrino masses); its relationship with the galaxy formation process.

The results are based on high and low resolution Lyman-alpha forest quasar spectra (BOSS/SDSS-III and VLT/UVES) and state-of-the-art hydrodynamic simulations.

 

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