Slides of 5 lectures at XV Brazilian School on Cosmology and ...

Largest typical structuresSurvey Void diameter Density contrastPSCz (29.8 ± 3.5)h −1 Mpc δ ρ = −0.92 ± 0.03UZC (29.2 ± 2.7)h −1 Mpc δ ρ = −0.96 ± 0.012dF NGP (29.8 ± 5.3)h −1 Mpc δ ρ = −0.94 ± 0.022dF SGP (31.2 ± 5.3)h −1 Mpc δ ρ = −0.94 ± 0.02Dominant void st<strong>at</strong>istics in the Point Source C<strong>at</strong>alogue Survey (PSCz), the Upd<strong>at</strong>edZwicky C<strong>at</strong>alogue (UZC), and the 2 degree Field Survey (2dF) North Galactic Pole(NGP) and South Galactic Pole (SGP), (Hoyle and Vogeley 2002,2004). Morerecent results <strong>of</strong> Pan et al. (2011) using SDSS D<strong>at</strong>a Release 7 similar.Particle size should be a few times gre<strong>at</strong>er than largesttypical structures (voids with δ ρ ≡ (ρ − ¯ρ)/¯ρ near -1)Coarse grain dust “particles” – fluid elements – <strong>at</strong> Scale<strong>of</strong> St<strong>at</strong>istical Homogeneity (SSH) ∼ 100/h Mpc15th <strong>Brazilian</strong> <strong>School</strong> on Cosmology and Gravit<strong>at</strong>ion, August 2012 – p.17/143