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Polarization Gradient Study of Interstellar Medium Turbulence Using the Canadian Galactic Plane Survey

Herron, C.A.; Geisbuesch, Joern; Landecker, T. L.; Kothes, Roland; Gaensler, B M; Lewis, Geraint; McClure-Griffiths, Naomi; Petroff, E.


We have investigated the magneto-ionic turbulence in the interstellar medium through spatial gradients of the complex radio polarization vector in the Canadian Galactic Plane Survey (CGPS). The CGPS data cover 1300 square degrees, over the range 53° ≤? ≤ 192°, -3° ≤b ≤ 5°, with an extension to b = 17°.5 in the range 101° ≤? ≤ 116°, and arcminute resolution at 1420 MHz. Previous studies found a correlation between the skewness and kurtosis of the polarization gradient and the Mach number of the...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/835/2/210


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