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Cosmicflows-3: The South Pole Wall

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arxiv 2007.04414 v1 pith:DC43ZZQY submitted 2020-07-08 astro-ph.CO

classification astro-ph.CO
keywords polesouthstructurewallcosmicflows-3densityvolumeacross
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Velocity and density field reconstructions of the volume of the universe within 0.05c derived from the Cosmicflows-3 catalog of galaxy distances has revealed the presence of a filamentary structure extending across ~ 0.11c. The structure, at a characteristic redshift of 12,000 km/s, has a density peak coincident with the celestial South Pole. This structure, the largest contiguous feature in the local volume and comparable to the Sloan Great Wall at half the distance, is given the name the South Pole Wall.

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Cited by 1 Pith paper

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  1. Gigaparsec structures are nowhere to be seen in $\Lambda$CDM: an enhanced analysis of LSS in FLAMINGO-10K simulations

    astro-ph.CO 2025-04 conditional novelty 6.0 of 10

    Using a 65 Mpc linkage scale on the full FLAMINGO-10K box, the authors find no gigaparsec structures and claim the simulation's large-scale structure matches random Poisson data, leaving the Giant Arc as a challenge t...

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