We present measurements of the Baryon Acoustic Oscillation (BAO) scale in redshift-space using the clustering of quasars. We consider a sample of 147 000...
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PublicationThe clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: first measurement of baryon acoustic oscillations between redshift 0.8 and 2.2
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TalkThe Cosmic NeuTRIVIA game
In this talk, we shall review the impact of the neutrino properties on the different cosmological observables. We shall also present the latest cosmological...
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PublicationThe Dark Energy Survey Data Release 2
We present the second public data release of the Dark Energy Survey, DES DR2, based on optical/near-infrared imaging by the Dark Energy Camera mounted on the 4...
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PublicationThe Dark Energy Survey Supernova Program: Cosmological Biases from Host Galaxy Mismatch of Type Ia Supernovae
Redshift measurements, primarily obtained from host galaxies, are essential for inferring cosmological parameters from type Ia supernovae (SNe Ia). Matching SNe...
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TalkThe dark side
What's the dark matter made of? Do we have any idea of the kind of particle that should constitute ~85% of the matter content of the Universe? In this talk, I...
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NewsThe Euclid telescope takes off to explore the dark universe
The Euclid mission of the European Space Agency (ESA) will be launched into space tomorrow, 1st July to make the largest and most precise 3D map of the Universe...
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PublicationThe Lyman-α forest catalogue from the Dark Energy Spectroscopic Instrument Early Data Release
We present and validate the catalogue of Lyman-α forest fluctuations for 3D analyses using the Early Data Release (EDR) from the Dark Energy Spectroscopic...
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PublicationThe Robotic Multiobject Focal Plane System of the Dark Energy Spectroscopic Instrument (DESI)
A system of 5020 robotic fiber positioners was installed in 2019 on the Mayall Telescope, at Kitt Peak National Observatory. The robots automatically retarget...
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TalkThe Square Kilometre Array: At the Frontiers of Astronomy, Physics, and Astrobiology
The Square Kilometre Array is intended to be the centimeter- and meter-wavelength telescope for the 21st Century. Originally proposed as the "hydrogen telescope...