PMO OpenIR  > 星系宇宙学和暗能量研究团组
The primordial non-Gaussianity of local type (flocal(NL)) in the WMAP 5-year data: the length distribution of CMB skeleton
Hou, Zhen1,2,3,4; Banday, A. J.2,5; Gorski, Krzysztof M.6,7,8; Elsner, Franz2; Wandelt, Benjamin D.9,10
2010-10-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume407Issue:4Pages:2141-2156
AbstractWe present skeleton studies of non-Gaussianity in the cosmic microwave background temperature anisotropy observed in the 5-yr Wilkinson Microwave Anisotropy Probe (WMAP) data. The local skeleton is traced on the 2D sphere by cubic spline interpolation which leads to more accurate estimation of the intersection positions between the skeleton and the secondary pixels than conventional linear interpolation. We demonstrate that the skeleton-based estimator of non-Gaussianity of the local type (flocal(NL)) - the departure of the length distribution from the corresponding Gaussian expectation - yields an unbiased and sufficiently converged likelihood function for flocal(NL).
KeywordMethods: Data Analysis Cosmic Background Radiation
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1111/j.1365-2966.2010.17098.x
WOS KeywordMICROWAVE BACKGROUND MAPS ; LARGE-SCALE STRUCTURE ; MINKOWSKI FUNCTIONALS ; INFLATIONARY UNIVERSE ; FOREGROUND EMISSION ; PERTURBATION-THEORY ; PROBE ; TEMPERATURE ; ANISOTROPIES
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000281948100009
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15941
Collection星系宇宙学和暗能量研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Max Planck Inst Astrophys, D-85741 Garching, Germany
3.Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
5.Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France
6.CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
7.CALTECH, Pasadena, CA 91125 USA
8.Univ Warsaw Observ, PL-00478 Warsaw, Poland
9.Univ Illinois, Dept Phys, Urbana, IL 61801 USA
10.Univ Illinois, Dept Astron, Urbana, IL 61801 USA
Recommended Citation
GB/T 7714
Hou, Zhen,Banday, A. J.,Gorski, Krzysztof M.,et al. The primordial non-Gaussianity of local type (flocal(NL)) in the WMAP 5-year data: the length distribution of CMB skeleton[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2010,407(4):2141-2156.
APA Hou, Zhen,Banday, A. J.,Gorski, Krzysztof M.,Elsner, Franz,&Wandelt, Benjamin D..(2010).The primordial non-Gaussianity of local type (flocal(NL)) in the WMAP 5-year data: the length distribution of CMB skeleton.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,407(4),2141-2156.
MLA Hou, Zhen,et al."The primordial non-Gaussianity of local type (flocal(NL)) in the WMAP 5-year data: the length distribution of CMB skeleton".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 407.4(2010):2141-2156.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Hou, Zhen]'s Articles
[Banday, A. J.]'s Articles
[Gorski, Krzysztof M.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Hou, Zhen]'s Articles
[Banday, A. J.]'s Articles
[Gorski, Krzysztof M.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Hou, Zhen]'s Articles
[Banday, A. J.]'s Articles
[Gorski, Krzysztof M.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.