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DTSTART;TZID=Europe/Stockholm:20240604T094000
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UID:submissions.pasc-conference.org_PASC24_sess158_pos120@linklings.com
SUMMARY:P21 - Fast Simulations of Next-Generation Radio Cosmological Surve
 ys: A Forward-Modeling Pipeline of Neutral Hydrogen Maps for SKA and HIRAX
DESCRIPTION:Poster\n\nLuis Fernando Machado Poletti Valle (ETH Zurich)\n\n
 In the last century, astronomical breakthroughs, particularly on Dark Matt
 er and Dark Energy, have reshaped our understanding of the Universe. Despi
 te comprising 95% of the Universe, these enigmatic components remain myste
 rious. Upcoming radio astronomical surveys, such as SKA and HIRAX, will pr
 omise unprecedented datasets with unique power to improve our understandin
 g of this dark sector of the Universe. This work focuses on developing a f
 orward modeling pipeline for simulating SKA and HIRAX observations. Utiliz
 ing the PINOCCHIO code for Dark Matter halos and a Halo Model-based approa
 ch for adding neutral hydrogen onto halos, this pipeline generates physica
 lly motivated catalogs of neutral hydrogen, which are post-processed with 
 a telescope simulator that incorporates systematic effects specific to the
 se arrays. The goal is to generate scalable and efficient simulations for 
 statistical forecasts and cosmological studies, leveraging GPU-enabled imp
 lementations of the pipeline as well as resources from the CSCS Piz Daint 
 supercomputer.\n\nSession Chair: Iva Kavcic (Met Office)
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