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Supercluster SCL 126

Supercluster SCL 126. Maret Einasto, Erik Tago, Jaak Jaaniste, Jaan Einasto , Ivan Suhhonenko and others Tartu Observatory. S CL126 in catalogs: R.A. 13 h Dec. –3 o , D istance : 240 Mpc 7 Abell clusters, 4 of them – X-ray clusters: Einasto et al. 1994, 1997, 2001. Shape and orientation.

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Supercluster SCL 126

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  1. SuperclusterSCL 126 Maret Einasto, Erik Tago, Jaak Jaaniste, Jaan Einasto, Ivan Suhhonenko and others Tartu Observatory

  2. SCL126 in catalogs:R.A. 13h Dec. –3o, Distance: 240 Mpc 7 Abell clusters, 4 of them – X-ray clusters:Einasto et al. 1994, 1997, 2001

  3. Shape and orientation Very compact core with X-ray clusters (collapsing supercluster? Gramann and Suhhonenko 2002) Very flat Perpendicular to the line-of-sight SCL126 in LCRS -3o slice 2dF team, Colless et al. 2003

  4. SCL126 in 2dF A1651, 1650: SZ effect (Udomprasert etal 2004) A1750 Multiple mergers Evidence of a filament with X-ray clusters (Belsole etal 2004, Donelly etal 2001) Imprints of such superclusters on CMB maps (SZ, RS effects, Rubino-Martin etal 2004)

  5. SCL126-like systems in ΛCDM model RFoF = 20 h-1 Mpc RFoF = 24 h-1 Mpc Model M768: no supercluster of similar richness and high density core (One “SCL126 candidate”)?

  6. SCL 126 Very rich Very compact core with several X-ray clusters X-ray data: multiple merger events at present and in the past Collapsing core? One of the first superclusters? Problem to the ΛCDM model?

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