The Cosmic Flows project : voyage to the Great Attractor - LUTH

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2D 3D 4D Cosmography : mapping with dynamics. Cosmology question : what is the cause of the CMB motion at 630 km/s?
The large scale cosmic flows constraints on neutrinos V expansion = H 0 * distance + V peculiar Peculiar velocities are only due to gravitational interactions. Our Galaxy has high deviant motion of 630 km/s w.r.t. the CMB dipole (Fixsen et al. 1996) Decomposition into components: - Infall towards Virgo cluster at 16 Mpc: ~ 140 km/s (Karachentsev et al. 2010) - Motion away from a large Local Void (Tully, Courtois et al. 2008) - Great Attractor at ~ 50 Mpc (Lilje et al. 1986; Lynden-Bell et al. 1988) - Perseus/Pisces cluster at the opposite side (Hanski et al. 2001) - Shapley concentration at ~ 150 Mpc ?(Pike & Hudson 2005; Erdoğdu et al. 2006; Bilicki et al. 2011) Observed components cannot explain the flow? (Lavaux et al. 2010; Nusser & Davis 2011; Courtois et al. 2012)
Page 1: The Cosmic Flows project : voyage t
Page 5 and 6: 2004 : Advent of the new giant radi
Page 7: 2008 : Cosmicflows-‐1 2012 : Co
Page 10 and 11: Results from cosmicflows-‐1 in
Page 16 and 17: Constraint simulations using peculi
Page 18 and 19: CLUES 2 A simulation of the Local U
Page 20: Preliminary results (yesterday) Com
Page 23 and 24: CLUES Structure Formation with cold
Page 25 and 26: Status of Current observaGonal surv
Page 27 and 28: Preliminary results from cosmicflow
Page 29 and 30: Future surveys and simulaGons 2015
Page 31: Thank you hope you will take home s

The Cosmic Flows project : voyage to the Great Attractor - LUTH

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