A 3D model of polarized dust emission in the Milky Way

被引：28
|
作者：
Martinez-Solaeche, Gines [1 ]
Karakci, Ata [2 ]
Delabrouille, Jacques [2 ]
机构：
[1] Calle Reyes Catolicos 6,2 C, E-03300 Orihuela, Alicante, Spain
[2] Univ Paris Diderot, Sorbonne Paris Cite, Observ Paris, APC,Astroparticule & Cosmol,CNRS IN2P3,CEA Irfu, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2018年 / 476卷 / 01期
关键词：
polarization; dust; extinction; cosmic background radiation; cosmology: observations; diffuse radiation; submillimetre: ISM; GALACTIC MAGNETIC-FIELD; CMB B-MODES; HIGH-RESOLUTION; COMPONENT SEPARATION; FOREGROUND REMOVAL; POWER SPECTRUM; MICROWAVE; TEMPERATURE; ANISOTROPY; INTERSTELLAR;
D O I：
10.1093/mnras/sty204
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a three-dimensional model of polarized galactic dust emission that takes into account the variation of the dust density, spectral index and temperature along the line of sight, and contains randomly generated small-scale polarization fluctuations. The model is constrained to match observed dust emission on large scales, and match on smaller scales extrapolations of observed intensity and polarization power spectra. This model can be used to investigate the impact of plausible complexity of the polarized dust foreground emission on the analysis and interpretation of future cosmic microwave background polarization observations.
引用
收藏
页码：1310 / 1330
页数：21
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