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The Dark Energy Spectroscopic Instrument (DESI) Year 1 Results: Baryon Acoustic Oscillations and implications for cosmology

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If you have a question about this talk, please contact Fiona McCarthy .

DESI represents the culmination of multi-years efforts and advanced spectroscopic techniques. Placed at Mayall 4-meter Telescope, DESI harnesses the power of 5,000 robotic fiber positioners, coupled with state-of-the-art spectrographs, to capture the spectral signatures of millions of galaxies and quasars with unprecedented precision. DESI success is also based on the collaborative spirit of its community, more than 400 scientists over 72 institutions. This data release corresponds to the first year of observations; it holds immense scientific promise across a multitude of fronts: from constraining cosmological parameters, mapping the expansion history of the Universe, to the properties of dark energy and the properties of neutrinos. So far only Baryon Acoustic Oscillations (BAO) information has been fully analysed and made public. I will summarise the main findings and the implications for cosmology.

This talk is part of the Cosmology Lunch series.

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