2016
DOI: 10.1051/0004-6361/201527822
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Cosmic microwave background reconstruction from WMAP andPlanckPR2 data

Abstract: We describe a new estimate of the cosmic microwave background (CMB) intensity map reconstructed by a joint analysis of the full Planck 2015 data (PR2) and nine years of WMAP data. The proposed map provides more than a mere update of the CMB map introduced in a previous paper since it benefits from an improvement of the component separation method L-GMCA (Local-Generalized Morphological Component Analysis), which facilitates efficient separation of correlated components. Based on the most recent CMB data, we fu… Show more

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Cited by 39 publications
(35 citation statements)
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“…We find a similar behaviour for the even/odd multipole common axes in WMAP provided nine year Internal Linear Combination 6 (ILC) map (Bennett et al 2013), and the Local-generalized Morphological Component Analysis (LGMCA) map that was produced using both the WMAP and PLANCK full mission observations 7 (Bobin, Sureau & Starck 2016). We also checked collective alignment axes in multipole blocks of ∆l = 6 from the same range l = [2, 61], with three even/odd multipoles in each block.…”
Section: Parity Alignmentsmentioning
confidence: 59%
“…We find a similar behaviour for the even/odd multipole common axes in WMAP provided nine year Internal Linear Combination 6 (ILC) map (Bennett et al 2013), and the Local-generalized Morphological Component Analysis (LGMCA) map that was produced using both the WMAP and PLANCK full mission observations 7 (Bobin, Sureau & Starck 2016). We also checked collective alignment axes in multipole blocks of ∆l = 6 from the same range l = [2, 61], with three even/odd multipoles in each block.…”
Section: Parity Alignmentsmentioning
confidence: 59%
“…We have first subtracted the CMB intensity as modelled at 70 GHz by Bobin et al (2016) from the joint analysis of WMAP and Planck observations. We have then taken advantage of the sparse spatial correlation between the thermal dust intensity I 70 at 70 GHz and the dust optical depth τ 353 at 353 GHz in the wavelet domain to filter out the dust component.…”
Section: Appendix A: Component Separationmentioning
confidence: 99%
“…The premise method for estimating thermal dust requires for the CMB to be removed from the total intensity maps. For this we use the CMB estimate of Bobin et al (2016).…”
Section: Cmbmentioning
confidence: 99%