Quaia i.e. how to turn Gaia into a cosmological probe

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• Giulio Fabbian / IoA
• Wednesday 23 October 2024, 13:40-14:05
• The Hoyle Lecture Theatre + Zoom .

If you have a question about this talk, please contact Xander Byrne.

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 generation of space missions to prepare for the challenges that lie ahead. In this talk I will present the work that went into the creation of Quaia, the largest cosmological sample of QSOs constructed to date derived from data 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.

This talk is part of the Institute of Astronomy Seminars series.

This talk is included in these lists:

• Cambridge Astronomy Talks
• Combined External Astrophysics Talks DAMTP
• Cosmology lists
• Cosmology, Astrophysics and General Relativity
• Institute of Astronomy Seminars
• Institute of Astronomy Talk Lists
• Kavli Institute for Cosmology Talk Lists
• Priscilla
• The Hoyle Lecture Theatre + Zoom

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