Multifrequency study of the Large Magellanic Cloud supernova remnant J0529-6653 near pulsar B0529-66

L. M. Bozzetto, M. D. Filipović*, E. J. Crawford, F. Haberl, M. Sasaki, D. Urošević, W. Pietsch, J. L. Payne, A. Y. de Horta, M. Stupar, N. F H Tothill, J. Dickel, Y. H. Chu, R. Gruendl

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    23 Citations (Scopus)

    Abstract

    We report the Australia Telescope Compact Array (ATCA) and ROSAT detection of supernova remnant (SNR) J0529-6653 in the Large Magellanic Cloud (LMC) which is positioned in the projected vicinity of the known radio pulsar PSRB0529-66. In the radio continuum frequencies, this LMC object follows a typical SNR structure of a shell morphology with brightened regions in the south-west. It exhibits an almost circular shape of D= 33 × 31pc (1-pc uncertainty in each direction) and radio spectral index of α=-0.68 ± 0.03 - typical for mid-age SNRs. We also report detection of polarized regions with a peak value of ∼17 ± 7per cent at 6cm. An investigation of ROSAT images produced from merged Position Sensitive Proportional Counter (PSPC) data reveals the presence of extended X-ray emission coincident with the radio emission of the SNR. In X-rays, the brightest part is in the north-east. We discuss various scenarios with regard to the SNR-pulsar association with emphasis on the large age difference, lack of a pulsar trail and no prominent point-like radio or X-ray source.

    Original languageEnglish
    Pages (from-to)2588-2595
    Number of pages8
    JournalMonthly Notices of the Royal Astronomical Society
    Volume420
    Issue number3
    DOIs
    Publication statusPublished - Mar 2012

    Keywords

    • ISM: supernova remnants
    • Magellanic Clouds
    • Pulsars: general

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