New non-spherical halo solving procedure applied to AGORA simulations shows merger-responsive morphology measures and redshift trends in spin, axis ratio, and overdensity.
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A z=4.9 LAE protocluster exhibits 40% larger rest-optical sizes than field LAEs with no UV difference, indicating wavelength-dependent environmental influences on galaxy structure.
Starlet l1-norm applied to simulated HI brightness temperature maps at z~0.4 yields almost 3x higher figure of merit for cosmological parameters than angular power spectrum by capturing non-Gaussian information and shows robustness to observational systematics.
A simulation-based forecast shows the 21cm-galaxy cross-bispectrum is detectable at 10σ–100σ with SKA-Mid and Euclid-like data, outperforming the 21cm auto-bispectrum in interferometric mode.
citing papers explorer
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The AGORA High-resolution Galaxy Simulations Comparison Project. XI: Solving the Non-Spherical Morphology and Evolution of Dark Matter Halos with Haskap Pie
New non-spherical halo solving procedure applied to AGORA simulations shows merger-responsive morphology measures and redshift trends in spin, axis ratio, and overdensity.
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Discovery of a $z\simeq 4.9$ Lyman-$\alpha$ Emitter Protocluster: Wavelength-Dependent Environmental Effects on Galaxy Structure
A z=4.9 LAE protocluster exhibits 40% larger rest-optical sizes than field LAEs with no UV difference, indicating wavelength-dependent environmental influences on galaxy structure.
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Beyond power spectrum to unveil systematics on HI intensity maps
Starlet l1-norm applied to simulated HI brightness temperature maps at z~0.4 yields almost 3x higher figure of merit for cosmological parameters than angular power spectrum by capturing non-Gaussian information and shows robustness to observational systematics.
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Probing the large-scale structure with 21cm-galaxy cross-bispectrum: Estimates from simulations and forecasts for upcoming cosmological surveys
A simulation-based forecast shows the 21cm-galaxy cross-bispectrum is detectable at 10σ–100σ with SKA-Mid and Euclid-like data, outperforming the 21cm auto-bispectrum in interferometric mode.