We present a detailed study of Australia Telescope Compact Array ( ATCA ) observations of a newly discovered Large Magellanic Cloud ( LMC ) supernova remnant ( SNR ) , SNR J0533–7202 .
This object follows a horseshoe morphology , with a size 37 pc \times 28 pc ( 1-pc uncertainty in each direction ) .
It exhibits a radio spectrum with the intrinsic synchrotron spectral index of \alpha =–0.47 \pm 0.06 between 73 and 6 cm .
We report detections of regions showing moderately high fractional polarisation at 6 cm , with a peak value of 36 \pm 6 % and a mean fractional polarisation of 12 \pm 7 % .
We also estimate an average rotation measure across the remnant of –591 rad m ^ { -2 } .
The current lack of deep X-ray observation precludes any conclusion about high-energy emission from the remnant .
The association with an old stellar population favours a thermonuclear supernova origin of the remnant .