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Observation number correlation in WMAP data
Li TB(李惕碚); Liu H(刘浩); Song LM(宋黎明); Xiong SL(熊少林); Nie JY(聂建胤); Li, TP; Liu, H; Song, LM; Xiong, SL; Nie, JY
2009
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号398期号:1页码:#REF!
通讯作者Li, TP (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing, Peoples R China.
摘要A remarkable similarity between the large-scale non-Gaussian pattern of cosmic microwave background (CMB) temperatures obtained by the Wilkinson Microwave Anisotropy Probe (WMAP) mission and the distribution features of observation numbers is noted. Motivated by such a similarity, in this work we check the WMAP data for the correlation between pixel temperature t and observation number N. Systematic effects of imbalance in the differential observations and significant t-N correlations in magnitude, distribution of non-Gaussianity and north-south asymmetry are found. Our results indicate that, for precision cosmology studies based on WMAP observations, the observation effect on released WMAP temperature maps requires further careful study.
文章类型Article
关键词methods: data analysis cosmic microwave background cosmology: observations
学科领域Astronomy & Astrophysics
DOI10.1111/j.1365-2966.2009.15010.x
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000269136800022
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225725
专题院士
粒子天体物理中心
推荐引用方式
GB/T 7714
Li TB,Liu H,Song LM,et al. Observation number correlation in WMAP data[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2009,398(1):#REF!.
APA 李惕碚.,刘浩.,宋黎明.,熊少林.,聂建胤.,...&Nie, JY.(2009).Observation number correlation in WMAP data.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,398(1),#REF!.
MLA 李惕碚,et al."Observation number correlation in WMAP data".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 398.1(2009):#REF!.
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