3 papers
astro-ph.CO2026
Cosmological Implication of Cross-correlation between Galaxy Clustering and 21-cm Line Intensity Mapping
Yong-Seon Song, Minji Oh, Kyungjin Ahn +1
The apparent anisotropies of galaxy clustering and 21-cm mapping in redshift space offer a unique opportunity to simultaneously probe cosmic expansion and gravity on cosmological s…
astro-ph.CO2025
Populating Large N-body Simulations with LRGs Using Neural Networks
M. Icaza-Lizaola, E. L. Sirks, Yong-Seon Song +2
The analysis of state-of-the-art cosmological surveys like the Dark Energy Spectroscopic Instrument (DESI) survey requires high-resolution, large-volume simulations. However, the c…
astro-ph.CO2025
Studying baryon acoustic oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
Christoph Saulder, Yong-Seon Song, Minji Oh +41
Context.The Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Survey DR9 (DR9 hereafter), with its extensive dataset of galaxy locations and photometric redshifts, present…