Extracting the spectral index of the intergalactic magnetic field from radio polarizations

Prabhakar Tiwari; Pankaj Jain

doi:10.1093/mnras/stw1108

Extracting the spectral index of the intergalactic magnetic field from radio polarizations

Prabhakar Tiwari^*, Pankaj Jain

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We explain the large-scale correlations in radio polarization in terms of the correlations of the galaxy supercluster magnetic field. Assuming that the polarization correlations closely follow the spatial correlations of the background magnetic field, we obtain the magnetic field spectral index as -2.74 ± 0.04. We discuss the possible physical scenarios in which the observed polarization alignment is plausible.

Original language	English
Pages (from-to)	2698-2705
Number of pages	8
Journal	Monthly Notices of the Royal Astronomical Society
Volume	460
Issue number	3
DOIs	https://doi.org/10.1093/mnras/stw1108
State	Published - 11 Aug 2016
Externally published	Yes

Keywords

Galaxies: active
Galaxies: high-red shift
Large-scale structure of Universe
Polarization

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10.1093/mnras/stw1108

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abstract = "We explain the large-scale correlations in radio polarization in terms of the correlations of the galaxy supercluster magnetic field. Assuming that the polarization correlations closely follow the spatial correlations of the background magnetic field, we obtain the magnetic field spectral index as -2.74 ± 0.04. We discuss the possible physical scenarios in which the observed polarization alignment is plausible.",

keywords = "Galaxies: active, Galaxies: high-red shift, Large-scale structure of Universe, Polarization",

author = "Prabhakar Tiwari and Pankaj Jain",

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AU - Jain, Pankaj

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N2 - We explain the large-scale correlations in radio polarization in terms of the correlations of the galaxy supercluster magnetic field. Assuming that the polarization correlations closely follow the spatial correlations of the background magnetic field, we obtain the magnetic field spectral index as -2.74 ± 0.04. We discuss the possible physical scenarios in which the observed polarization alignment is plausible.

AB - We explain the large-scale correlations in radio polarization in terms of the correlations of the galaxy supercluster magnetic field. Assuming that the polarization correlations closely follow the spatial correlations of the background magnetic field, we obtain the magnetic field spectral index as -2.74 ± 0.04. We discuss the possible physical scenarios in which the observed polarization alignment is plausible.

KW - Galaxies: active

KW - Galaxies: high-red shift

KW - Large-scale structure of Universe

KW - Polarization

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Extracting the spectral index of the intergalactic magnetic field from radio polarizations

Abstract

Keywords

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