New Comology group Publicaton

Dark Energy Survey Year 3 Results: Weak Lensing Shape Catalogue”, led by Marco Gatti, has been uploaded to arXiv as part of the upcoming DES year 3 cosmology analysis of galaxy clustering and gravitational lensing.

The paper presents and characterises the galaxy shape catalogue of DES Y3, which consists of 100,204,026 galaxies, measured in the riz bands, making it the largest catalogue for weak lensing studies ever created. The catalogue passes a large number of null tests, discussed in the paper. This work has a key role in the upcoming DES cosmological analysis release (see for further details on the DES website )

Latest Group News

New publication

New DESI paper

May 18, 2022

Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument” has been uploadd to arXiv. Several IFAE members are co-authors of the paper.

New publication

New DESI paper by the cosmology group

May 18, 2022

The effect of quasar redshift errors on Lyman-α forest correlation functions” by A. Font-Ribera, Ignasi Pérez-Ràfols, César Ramírez-Pérez and collaborators has been uploaded to arXiv.


IFAE at Moriond Cosmology 2022

January 27, 2022

The Moriond Cosmology took place on January 23-30, La Thuile, Italy. Members of the observational Cosmology group at IFAE contributed to the conference.