Cosmic microwave background reconstruction from WMAP andPlanckPR2 data
نویسندگان
چکیده
منابع مشابه
Cosmic microwave background snapshots: pre-WMAP and post-WMAP.
We highlight the remarkable evolution in the cosmic microwave background (CMB) power spectrum C(l) as a function of multipole l over the past few years, and in the cosmological parameters for minimal inflation models derived from it: from anisotropy results before 2000; in 2000 and 2001 from Boomerang, Maxima and the Degree Angular Scale Interferometer (DASI), extending l to approximately 1000;...
متن کاملGenus Topology of the Cosmic Microwave Background from WMAP
We have independently measured the genus topology of the temperature fluctuations in the cosmic microwave background seen by the Wilkinson Microwave Anisotropy Probe (WMAP). A genus analysis of the WMAP data indicates consistency with Gaussian random-phase initial conditions, as predicted by standard inflation. Subject headings: cosmology — cosmic microwave background: anisotropy
متن کاملDeparture from Gaussianity of the Cosmic Microwave Background Temperature Anisotropies in the Three-year Wmap Data
We test the hypothesis that the temperature of the cosmicmicrowave background is consistent with a Gaussian random field defined on the celestial sphere, using the full sky debiased internal linear combination (DILC) map produced from the three-yearWMAP data. We test the phases for spherical harmonic modes with ‘ 10 (which should be the cleanest) for uniformity, randomness, and correlation with...
متن کاملGenus Topology of the Cosmic Microwave Background from the WMAP 3-Year Data
We have independently measured the genus topology of the temperature fluctuations in the cosmic microwave background seen in the Wilkinson Microwave Anisotropy Probe (WMAP) 3-year data. A genus analysis of the WMAP data indicates consistency with Gaussian randomphase initial conditions, as predicted by standard inflation. We set 95% confidence limits on non-linearities of −101 < fnl < 107. We a...
متن کاملReconstruction of lensing from the cosmic microwave background polarization
Gravitational lensing of the cosmic microwave background ~CMB! polarization field has been recognized as a potentially valuable probe of the cosmological density field. We apply likelihood-based techniques to the problem of lensing of CMB polarization and show that if the B-mode polarization is mapped, then likelihoodbased techniques allow significantly better lensing reconstruction than is pos...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2016
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/201527822