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SUMMARY: Quaia i.e. how to turn Gaia into a cosmological probe - Giulio Fa
 bbian / IoA
DTSTART:20241023T124000Z
DTEND:20241023T130500Z
UID:TALK223501@talks.cam.ac.uk
CONTACT:Xander Byrne
DESCRIPTION:The next generation of space-based galaxy surveys (e.g. Euclid
 )  will provide transformative data for cosmology and astrophysics in the 
 coming years. While waiting for these new data\, we can use the last gener
 ation of space missions to prepare for the challenges that lie ahead. In t
 his talk I will present the work that went into the creation of Quaia\, th
 e largest cosmological sample of QSOs constructed to date derived from dat
 a of the Gaia mission. I will show how we used this catalog in combination
  with measurements of the CMB to constrain a wide set of problems ranging 
 from the physics of inflation to galaxy formation. If time allows\, I will
  also discuss how Euclid data can be used to answer to similar scientific 
 questions.
LOCATION:The Hoyle Lecture Theatre + Zoom 
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