Multifrequency radio observations of a SNR in the LMC : the case of SNR J0527-6549 (DEM l204)

L. M. Bozzetto; M. D. Filipović; E. J. Crawford; I. S. Bojičić; J. L. Payne; A. Mendik; B. Wardlaw; A. Y. De Horta

doi:10.2298/SAJ1081043B

Multifrequency radio observations of a SNR in the LMC : the case of SNR J0527-6549 (DEM l204)

L. M. Bozzetto, M. D. Filipović, E. J. Crawford, I. S. Bojičić, J. L. Payne, A. Mendik, B. Wardlaw, A. Y. De Horta

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Abstract

We present a detailed study and results of new Australia Telescope Compact Array (ATCA) observations of supernova remnant SNR J0527-6549. This Large Magellanic Cloud (LMC) object follows a typical supernova remnant (SNR) horseshoe morphology with a diameter of D=(66×58)±1 pc which is among the largest SNRs in the LMC. Its relatively large size indicates older age while a steeper than expected radio spectral index of ®=-0.92±0.11 is more typical of younger and energetic SNRs. Also, we report detections of regions with a high order of polarization at a peak value of ~54%±17% at 6 cm.

Original language	English
Pages (from-to)	43-49
Number of pages	7
Journal	Serbian Astronomical Journal
Volume	181
DOIs	https://doi.org/10.2298/SAJ1081043B
Publication status	Published - 2010

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@article{d1e825946152467b9c466fdec05d7e97,

title = "Multifrequency radio observations of a SNR in the LMC : the case of SNR J0527-6549 (DEM l204)",

abstract = "We present a detailed study and results of new Australia Telescope Compact Array (ATCA) observations of supernova remnant SNR J0527-6549. This Large Magellanic Cloud (LMC) object follows a typical supernova remnant (SNR) horseshoe morphology with a diameter of D=(66×58)±1 pc which is among the largest SNRs in the LMC. Its relatively large size indicates older age while a steeper than expected radio spectral index of {\textregistered}=-0.92±0.11 is more typical of younger and energetic SNRs. Also, we report detections of regions with a high order of polarization at a peak value of ~54%±17% at 6 cm.",

author = "Bozzetto, {L. M.} and Filipovi{\'c}, {M. D.} and Crawford, {E. J.} and Boji{\v c}i{\'c}, {I. S.} and Payne, {J. L.} and A. Mendik and B. Wardlaw and {De Horta}, {A. Y.}",

year = "2010",

doi = "10.2298/SAJ1081043B",

language = "English",

volume = "181",

pages = "43--49",

journal = "Serbian Astronomical Journal",

publisher = "Astronomical Observatory of Belgrade",

}

TY - JOUR

T1 - Multifrequency radio observations of a SNR in the LMC : the case of SNR J0527-6549 (DEM l204)

AU - Bozzetto, L. M.

AU - Filipović, M. D.

AU - Crawford, E. J.

AU - Bojičić, I. S.

AU - Payne, J. L.

AU - Mendik, A.

AU - Wardlaw, B.

AU - De Horta, A. Y.

PY - 2010

Y1 - 2010

N2 - We present a detailed study and results of new Australia Telescope Compact Array (ATCA) observations of supernova remnant SNR J0527-6549. This Large Magellanic Cloud (LMC) object follows a typical supernova remnant (SNR) horseshoe morphology with a diameter of D=(66×58)±1 pc which is among the largest SNRs in the LMC. Its relatively large size indicates older age while a steeper than expected radio spectral index of ®=-0.92±0.11 is more typical of younger and energetic SNRs. Also, we report detections of regions with a high order of polarization at a peak value of ~54%±17% at 6 cm.

AB - We present a detailed study and results of new Australia Telescope Compact Array (ATCA) observations of supernova remnant SNR J0527-6549. This Large Magellanic Cloud (LMC) object follows a typical supernova remnant (SNR) horseshoe morphology with a diameter of D=(66×58)±1 pc which is among the largest SNRs in the LMC. Its relatively large size indicates older age while a steeper than expected radio spectral index of ®=-0.92±0.11 is more typical of younger and energetic SNRs. Also, we report detections of regions with a high order of polarization at a peak value of ~54%±17% at 6 cm.

UR - http://handle.uws.edu.au:8081/1959.7/553967

U2 - 10.2298/SAJ1081043B

DO - 10.2298/SAJ1081043B

M3 - Article

VL - 181

SP - 43

EP - 49

JO - Serbian Astronomical Journal

JF - Serbian Astronomical Journal

ER -

Multifrequency radio observations of a SNR in the LMC : the case of SNR J0527-6549 (DEM l204)

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