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Multifrequency radio observations of SNR J0536-6735 (N 59B) with associated pulsar

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Author(s): Bozzetto L.M. | Filipović M.D. | Crawford E.J. | de Horta A.Y. | Stupar M.

Journal: Serbian Astronomical Journal
ISSN 1450-698X

Volume: 2012;
Issue: 184;
Start page: 69;
Date: 2012;
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Keywords: ISM: supernova remnants | Magellanic Clouds | radio continuum: ISM | ISM: individual objects: SNR J0536-6735

ABSTRACT
We present a study of new Australian Telescope Compact Array (ATCA) observations of supernova remnant, SNR J0536-6735. This remnant appears to follow a shell morphology with a diameter of D=36x29 pc (with 1 pc uncertainty in each direction). There is an embedded HII region on the northern limb of the remnant which made various analysis and measurements (such as flux density, spectral index and polarisation) difficult. The radio-continuum emission followed the same structure as the optical emission, allowing for extent and flux density estimates at 20 cm. We estimate the surface brightness at 1 GHz of 2.55x10−21 Wm−2 Hz−1 sr−1 for the SNR. Also, we detect a distinctive radio-continuum point source which confirms the previous suggestion of this remnant being associated with pulsar wind nebula (PWN). The tail of this remnant is not seen in the radio-continuum images and is only seen in the optical and X-ray images.

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