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FINGERPRINTS OF GALACTIC LOOP I ON THE COSMIC MICROWAVE BACKGROUND
刘浩;Liu, H; Mertsch, P; Sarkar, S
2014
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号789期号:2页码:L29
摘要We investigate possible imprints of galactic foreground structures such as the "radio loops" in the derived maps of the cosmic microwave background. Surprisingly, there is evidence for these not only at radio frequencies through their synchrotron radiation, but also at microwave frequencies where emission by dust dominates. This suggests the mechanism is magnetic dipole radiation from dust grains enriched by metallic iron or ferrimagnetic molecules. This new foreground we have identified is present at high galactic latitudes, and potentially dominates over the expected B-mode polarization signal due to primordial gravitational waves from inflation.
关键词cosmic background radiation cosmology: observations polarization
学科领域Astronomy & Astrophysics
DOI10.1088/2041-8205/789/2/L29
收录类别SCI
WOS记录号WOS:000339876800004
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224854
专题粒子天体物理中心
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刘浩;Liu, H,Mertsch, P,Sarkar, S. FINGERPRINTS OF GALACTIC LOOP I ON THE COSMIC MICROWAVE BACKGROUND[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,789(2):L29.
APA 刘浩;Liu, H,Mertsch, P,&Sarkar, S.(2014).FINGERPRINTS OF GALACTIC LOOP I ON THE COSMIC MICROWAVE BACKGROUND.ASTROPHYSICAL JOURNAL LETTERS,789(2),L29.
MLA 刘浩;Liu, H,et al."FINGERPRINTS OF GALACTIC LOOP I ON THE COSMIC MICROWAVE BACKGROUND".ASTROPHYSICAL JOURNAL LETTERS 789.2(2014):L29.
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