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UID:8@osups.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20250522T110000
DTEND;TZID=Europe/Paris:20250522T120000
DTSTAMP:20250514T085713Z
URL:https://osups.universite-paris-saclay.fr/calendrier/cosmology-on-all-s
 cales-with-new-and-vintage-probes/
SUMMARY:Cosmology from CMB and Large-scale Structures with new and old Prob
 es
DESCRIPTION:par Giulio Fabbian (IAS)\n\nSalle : 123\, bât. 121\n\nRésumé
  :\n\nCosmology is entering a new high precision era with the next generat
 ion ground-based CMB polarization experiments and space based galaxy surve
 ys (Simons Observatory\, CMB-S4\, Euclid). These experiments will deliver 
 high-sensitivity data sets on large sky fractions and will enable us to co
 nstrain cosmology and astrophysics on all scales.In this talk I will revie
 w some of the research topics in cosmology and astrophysics I have covered
  in my past research career and discuss the science I will carry out at IA
 S in the foreseeable future.In particular I will zoom in on some works I h
 ave been involved with using space data. I will first discuss the new Quai
 a catalog\, the largest quasar catalog produced to date\, derived from dat
 a of the Gaia mission. I will show how this catalog can be used to constra
 in primordial and late-time universe physics\, and show how upcoming Eucli
 d data are expected to improve the constraining power of such measurements
 . I will then focus on new probes of primordial and late time universe tha
 t can be extracted from CMB spectral distortion measurements. I will show 
 how a re-analysis of archival data from the COBE/FIRAS mission using moder
 n data analysis techniques allowed us to improve significantly the FIRAS o
 riginal results and constrain feedback processes in galaxy formation\, mak
 ing the prospects of new experiments like e.g. BISOU particularly promisin
 g.
CATEGORIES:Séminaires
LOCATION:IAS\, Bât. 121 rue Jean Teillac\, Orsay\, 91400\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Bât. 121 rue Jean Teillac\
 , Orsay\, 91400\, France;X-APPLE-RADIUS=100;X-TITLE=IAS:geo:0,0
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