Cosmo-pl March 2006

cosmo-pl@cosmo.torun.pl

1 participants
2 discussions

ToK - cosmo-particle lectures 28-29.03, 4-5.04, 29.04-03.05 @Warsaw
by Boud Roukema 21 Mar '06

21 Mar '06

witam cosmo-pl According to a printout kindly provided by Mariusz Dąbrowski, there will be some cosmology + particle physics talks in the coming weeks/month in Warsaw, using european money - the name of the money is "ToK = Transfer of Knowledge". - lectures by W Mukhanov from Munich University 12.15g Mon 28.03.2006 + 04.04.2006 room SDT Inst Th.Physics UW 13.15g Tue 29.03.2006 + 05.04.2006 room SDT Inst Th.Physics UW - David Langlois from Paris VII "following weeks" of April 2006 - 29.04-03.05.2006 "Cząstki i Kosmologia" - "Particles and Cosmology" * lectures by Mukhanov, Binetruy and Langlois - inflation, dark energy * participants' presentations email contact: tok.warsaw at fuw edu pl web: http://www.fuw.edu.pl/~tok/ pozdr boud

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WMAP 3yr data - Omega_tot \approx 1.010-1.015 :)))))
by Boud Roukema 17 Mar '06

17 Mar '06

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… 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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Cosmo-pl March 2006