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Discovery of a pulsar-powered bow shock nebula in the Small Magellanic Cloud supernova remnant DEMS5

Alsaberi, Rami Z. E.; Maitra, C.; Filipovic, M D; Bozzetto, L M; Haberl, F.; Maggi, P; Sasaki, Manami; Manjolović, P; Velović, V; Kavanagh, Patrick; Maxted, N. I.; Urošević, D; Rowell, G. P.; Wong, G. F.; For, B.-Q.; O’Brien, A. N.; Galvin, T. J.; Staveley-Smith, L.; Norris, R. P.; Jarrett, T.; Kothes, R.; Luken, K. J.; Hurley-Walker, N.; Sano, H.; Onic, D.; Dai, S.; Pannuti, T. G.; Tothill, N. F. H.; Crawford, E. J.; Yew, M.; Bojičić, I.; Denes, H.; McClure-Griffiths, Naomi; Gurovich, S.; Fukui, Y.


We report the discovery of a new Small Magellanic Cloud pulsar wind nebula (PWN) at the edge of the supernova remnant (SNR) DEM S5. The pulsar powered object has a cometary morphology similar to the Galactic PWN analogues PSR B1951+32 and ‘the mouse’. It is travelling supersonically through the interstellar medium. We estimate the pulsar kick velocity to be in the range of 700–2000 km s−1 for an age between 28 and 10 kyr. The radio spectral index for this SNR–PWN–pulsar system is flat...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz971
Access Rights: Open Access


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