Antonin Corinaldi

About me

I am a 1st year PhD student under the supervision of Martin Kilbinger and Sandrine Codis. The title of my thesis is "Uncovering the 3D cosmological tidal field of dark matter".

 

 

Research Interests

My research deals with the intrinsic alignments of galaxies which correspond to the alignment of the galaxies at large scales among the filaments of the cosmic web due to their interaction with the underlying tidal field of dark matter. It induces correlations between the shapes of the galaxies observed in the sky and the galaxy density field. It is a fundamental effect to probe the 3D properties of the large-scale structures of the Universe in which the galaxies were formed and evolved.

Intrinsic alignments can be measured directly in the data with two-dimensional estimators of the shape-density correlation function. But the limitation of this is that there is an information about the intrinsic alignment signal which is lost along the line-of-sight due to the projection of the 3D shapes of galaxies in 2D. The aim of my PhD is to develop methods to try to uncover this information by measuring correlations between the 3D shapes and 3D orientations of the galaxies. I am doing this work with the UNIONS data and the idea will be next to apply the same methodology to the future Euclid data .

 

 

Education

I obtained my Master's degree in Astronomy and Astrophysics at Paris Observatory in 2024. During my Master, I realized a research internship about the science of Euclid galaxy surveys at the "Institut de Recherche en Astrophysique et Planétologie" at Toulouse under the supervision of Isaac Tutusaus. For 2024/2025, I was a post-master student at Paris-Saclay University in professional gap year during which I started to work in the CosmoStat team as an intern, supervised by Calum Murray and Martin Kilbinger, on the research I am now undertaking as a PhD student.