The largest cosmic shear dataset to date yields S8 = 0.805 ± 0.019 and shows baryon modeling, not extra small-scale data, is the current bottleneck.
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The Dark Energy Camera All Data Everywhere cosmic shear project V: Constraints on cosmology and astrophysics from 270 million galaxies across 13,000 deg$^2$ of the sky
The largest cosmic shear dataset to date yields S8 = 0.805 ± 0.019 and shows baryon modeling, not extra small-scale data, is the current bottleneck.