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Time-domain and spectral properties of pulsars at 154 MHz

Bell, M. E.; Murphy, Tara; Johnston, S.; Kaplan, David; Croft, S; Hancock, Paul J.; Callingham, J; Zic, A; Dobie, D; Swiggum, J K; Rowlinson, A.; Hurley-Walker, Natasha; Offringa, Andre; Bernardi, G; Bowman, J D; Briggs, Franklin; Cappallo, R. J; Deshpande, Avinash

Description

We present 154 MHz Murchison Widefield Array imaging observations and variability information for a sample of pulsars. Over the declination range −80° < δ < 10°, we detect 17 known pulsars with mean flux density greater than 0.3 Jy. We explore the variability properties of this sample on time-scales of minutes to years. For three of these pulsars, PSR J0953+0755, PSR J0437−4715, and PSR J0630−2834, we observe interstellar scintillation and variability on time-scales of greater than 2 min. One...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152468
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw1293
Access Rights: Open Access

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