Footprints of Loop I on Cosmic Microwave Background maps

Sebastian Domenico von Hausegger; Hao Liu; Philipp Mertsch; Subir Sarkar

doi:10.1088/1475-7516/2016/03/023

Footprints of Loop I on Cosmic Microwave Background maps

Sebastian Domenico von Hausegger, Hao Liu, Philipp Mertsch, Subir Sarkar

2 Citationer (Scopus)

Abstract

Cosmology has made enormous progress through studies of the cosmic microwave background, however the subtle signals being now sought such as B-mode polarisation due to primordial gravitational waves are increasingly hard to disentangle from residual Galactic foregrounds in the derived CMB maps. We revisit our finding that on large angular scales there are traces of the nearby old supernova remnant Loop I in the WMAP 9-year map of the CMB and confirm this with the new SMICA map from the Planck satellite.

Originalsprog	Engelsk
Artikelnummer	023
Tidsskrift	Journal of Cosmology and Astroparticle Physics
Vol/bind	2016
Udgave nummer	3
Sider (fra-til)	1-8
ISSN	1475-7516
DOI	https://doi.org/10.1088/1475-7516/2016/03/023
Status	Udgivet - 10 mar. 2016

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10.1088/1475-7516/2016/03/023

jcap032016023Forlagets udgivne version, 1,24 MB

Citationsformater

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T1 - Footprints of Loop I on Cosmic Microwave Background maps

AU - von Hausegger, Sebastian Domenico

AU - Liu, Hao

AU - Mertsch, Philipp

AU - Sarkar, Subir

PY - 2016/3/10

Y1 - 2016/3/10

N2 - Cosmology has made enormous progress through studies of the cosmic microwave background, however the subtle signals being now sought such as B-mode polarisation due to primordial gravitational waves are increasingly hard to disentangle from residual Galactic foregrounds in the derived CMB maps. We revisit our finding that on large angular scales there are traces of the nearby old supernova remnant Loop I in the WMAP 9-year map of the CMB and confirm this with the new SMICA map from the Planck satellite.

AB - Cosmology has made enormous progress through studies of the cosmic microwave background, however the subtle signals being now sought such as B-mode polarisation due to primordial gravitational waves are increasingly hard to disentangle from residual Galactic foregrounds in the derived CMB maps. We revisit our finding that on large angular scales there are traces of the nearby old supernova remnant Loop I in the WMAP 9-year map of the CMB and confirm this with the new SMICA map from the Planck satellite.

U2 - 10.1088/1475-7516/2016/03/023

DO - 10.1088/1475-7516/2016/03/023

M3 - Journal article

SN - 1475-7516

VL - 2016

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EP - 8

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

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ER -

Footprints of Loop I on Cosmic Microwave Background maps

Abstract

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