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Initial LOFAR observations of epoch of reionization windows: II. diffuse polarized emission in the ELAIS-N1 field

Jelic, VIBOR; de Bruyn, A.G.; Brentjens, Michiel A; Ciardi, Benedetta; Ghosh, A.; Koopmans, L. V. E.; Bonafede, A; Offringa, Andre; Brouw, W. N.; de Gasperin, F; Butcher, Harvey; Falcke, H; Hoeft, M; Kuniyoshi, M; Reich, W; Avruch, Ian M.; Breitling, F; Engels, Dieter; Iacobelli, M.; Mann, Gottfried; Vocks, Christian


Aims. This study aims to characterise the polarized foreground emission in the ELAIS-N1 field and to address its possible implications for extracting of the cosmological 21 cm signal from the LOw-Frequency ARray-Epoch of Reionization (LOFAR-EoR) data. Methods. We used the high band antennas of LOFAR to image this region and RM-synthesis to unravel structures of polarized emission at high Galactic latitudes. Results. The brightness temperature of the detected Galactic emission is on average ~4 K...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201423998


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