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Radio-continuum observations of small, radially polarised Supernova Remnant J0519-6902 in the large Magellanic cloud

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Author(s): Bozzetto L.M. | Filipović M.D. | Urošević D. | Crawford E.J.

Journal: Serbian Astronomical Journal
ISSN 1450-698X

Volume: 2012;
Issue: 185;
Start page: 25;
Date: 2012;
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Keywords: ISM: supernova remnants | Magellanic Clouds | radio continuum: ISM | ISM: individual objects | SNR J0519-6902

ABSTRACT
We report on new Australian Telescope Compact Array (ATCA) observations of SNR J0519-6902. The Supernova Remnant (SNR) is small in size (~8 pc) and exhibits a typical SNR spectrum with α = -0.53±0.07, with steeper spectral indices towards the northern limb of the remnant. SNR J0519-6902 contains a low level of radially orientated polarisation at wavelengths of 3 and 6 cm, which is typical of younger SNRs. A fairly strong magnetic field was estimated to ~171µG. The remnant appears to be the result of a typical Type Ia supernova, sharing many properties with another small and young Type Ia LMC SNR, J0509-6731. [Projekat Ministarstva nauke Republike Srbije, br. 176005]
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