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RADIO-CONTINUUM OBSERVATIONS OF SMALL, RADIALLY POLARISED SUPERNOVA REMNANT J0519-6902 IN THE LARGE MAGELLANIC CLOUD.

Authors :
Bozzetto, L. M.
Filipović, M. D.
Urošević, D.
Crawford, E. J.
Source :
Serbian Astronomical Journal. 2012, Issue 185, p25-33. 9p.
Publication Year :
2012

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 ~171 µG. The remnant appears to be the result of a typical Type Ia super¬nova, sharing many properties with another small and young Type Ia LMC SNR, J0509-6731. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
1450698X
Issue :
185
Database :
Academic Search Index
Journal :
Serbian Astronomical Journal
Publication Type :
Academic Journal
Accession number :
88948950
Full Text :
https://doi.org/10.2298/SAJ1285025B