[Cosmo-torun] [Cosmo-pl] WMAP 3yr data - Omega_tot \approx 1.010-1.015 :))))) (fwd)

Boud Roukema boud w astro.uni.torun.pl
Pią, 17 Mar 2006, 17:05:47 CET


hi everyone,

i don't know if everyone on cosmo-torun is on cosmo-pl.

Anyway, i sent the following to cosmo-pl.

pozdr
boud


>
>
> ---------- Forwarded message ----------
> Date: Fri, 17 Mar 2006 16:25:42 +0100 (CET)
> From: Boud ...
> To: cosmo-pl at ...
> Subject: [Cosmo-pl] WMAP 3yr data - Omega_tot \approx 1.010-1.015 :)))))
>
> Witam cosmo-pl,
>
> The 3-year WMAP data is now available:
> http://lambda.gsfc.nasa.gov/product/map/dr2/ilc_map_get.cfm
>
> As expected from the Poincare Dodecahedral Space analyses, e.g.
> http://arxiv.org/abs/astro-ph/0310253 Luminet et al.
> http://arxiv.org/abs/astro-ph/0402608 Toruń
> http://arxiv.org/abs/astro-ph/0412569 Aurich Lustig Steiner
> http://arxiv.org/abs/astro-ph/0503014 Gundermann
> http://arxiv.org/abs/astro-ph/0504656 Aurich Lustig Steiner
>
> the estimates of Omega_total remain in the range 1.010-1.020. :))))
>
> Spergel et al find:
>
> http://lambda.gsfc.nasa.gov/product/map/dr2/pub_papers/threeyear/parameters/wmap_3yr_param.pdf
>
> Omega_tot =
> 1.015 (+0.020,-0.016)  WMAP-3yr + SNLS (supernova legacy survey)
> 1.010 (+0.016,-0.009)  WMAP-3yr + HST key project on H_0
>
> No matter how hard people try to combine different data sets, it seems
> that nobody can get Omega_tot much closer to 1.000 (except by assumption).
>
> In the conclusion, section 9, page 61 of Spergel et al., you'll see
> that after people like me have repeated ad infinitum in many, many
> seminars etc that WMAP does not imply a flat Universe, it only
> implies a "nearly flat Universe", finally, Spergel et al. have started
> using this expression:
>
> "The WMAP data are consistent with nearly flat universe".
>
> :)
>
> Anyway, hopefully in the next week, i and the other people who have
> volunteered ;) to help organise a small, "polish cosmology"
> workshop/meeting in Toruń, probably in May, will send out a
> "pre-registration" announcement...
>
>
> pozdr
> boud
>
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