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LOW-FREQUENCY OBSERVATIONS of LINEARLY POLARIZED STRUCTURES in the INTERSTELLAR MEDIUM NEAR the SOUTH GALACTIC POLE

Lenc, E; Gaensler, B M; Sun, X. H.; Sadler, Elaine M; Willis, A. G.; Barry, N; Beardsley, A. P.; Bell, M. E.; Bernardi, Gianni; Bowman, J D; Briggs, Franklin; Deshpande, Avinash; Ewall-Wice, Aaron; Feng, Lu; Greenhill, Lincoln; Hazelton, B; Kasper, J.C.; Loeb, Abraham; Oberoi, D; Paul, S; Pindor, B.; Pober, J. C.; Prabu, T; Rogers, Alan; Shankar, N.Udaya; Sethi, Shiv K; Srivani, K. S.; Whitney, Alan; Waterson, Mark; Williams, Christopher L

Description

We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg2 centered on α = 0hand δ = −27°. The sensitivity available in our deep observations allows an in-band, frequency-dependent analysis of polarized structure for the first time at long wavelengths. Our analysis suggests that the polarized structures are dominated by intrinsic emission but may also have a foreground Faraday screen component. At these wavelengths, the compactness of the...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152159
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/830/1/38
Access Rights: Open Access

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