baryon acoustic oscillations 3lyman-alpha forest 3alcock-paczynski test 2cosmological parameters 1dark energy 1DESI 1full-shape analysis 1mock catalogues 1mock simulations 1second-order lagrangian perturbation theory 1
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astro-ph.HE2026
The DESI Transients Survey: Legacy Classifications and Methodology
Xander J. Hall, Antonella Palmese, Segev BenZvi +56
We present the first systematic spectroscopic observations of extragalactic transients from the Dark Energy Spectroscopic Instrument (DESI), as part of the DESI Transients Survey p…
astro-ph.HE2025
AT 2018dyk: tidal disruption event or active galactic nucleus? Follow-up observations of an extreme coronal line emitter with the Dark Energy Spectroscopic Instrument
Peter Clark, Joseph Callow, Or Graur +29
We present fresh insights into the nature of the tidal disruption event (TDE) candidate AT 2018dyk. AT 2018dyk has sparked a debate in the literature around its classification as e…