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| DOI | 10.1111/J.1365-2966.2011.20231.X | ||
| Año | 2012 | ||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
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 PSR B0529-66. 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 x 31 pc (1-pc uncertainty in each direction) and radio spectral index of a=-0.68 +/- 0.03 typical for mid-age SNRs. We also report detection of polarized regions with a peak value of similar to 17 +/- 7 per cent at 6 cm. 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 SNRpulsar association with emphasis on the large age difference, lack of a pulsar trail and no prominent point-like radio or X-ray source.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bozzetto, Luke M. | Hombre |
Univ Western Sydney - Australia
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| 2 | Filipovic, M. | Hombre |
Univ Western Sydney - Australia
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| 3 | Crawford, E. J. | Hombre |
Univ Western Sydney - Australia
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| 4 | Haberl, Frank | Hombre |
Max Planck Inst Extraterr Phys - Alemania
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| 5 | Sasaki, Manami | Mujer |
Inst Astron & Astrophys - Alemania
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| 6 | Urosevic, Dejan | Hombre |
Univ Belgrade - Serbia
Instituto Isaac Newton - Chile |
| 7 | Pietsch, W. N. | - |
Max Planck Inst Extraterr Phys - Alemania
|
| 8 | Payne, J. L. | Hombre |
Univ Western Sydney - Australia
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| 9 | De Horta, A. Y. | - |
Univ Western Sydney - Australia
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| 10 | Stupar, Milorad | Hombre |
Macquarie Univ - Australia
Australian Astron Observ - Australia |
| 11 | Tothill, N. | Hombre |
Univ Western Sydney - Australia
|
| 12 | Dickel, J. R. | - |
UNIV NEW MEXICO - Estados Unidos
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| 13 | Chu, You-Hua | - |
UNIV ILLINOIS - Estados Unidos
|
| 14 | Gruen, D. | Hombre |
UNIV ILLINOIS - Estados Unidos
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| Fuente |
|---|
| Ministry of Education and Science of the Republic of Serbia |
| Commonwealth of Australia |
| Australian Government AINSTO AMNRF |
| Agradecimiento |
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| We used the KARMA software package developed by the ATNF. The ATCA is part of the Australia Telescope which is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO. We thank the MCELS team for access to the optical images. Travel to the SAAO was funded by Australian Government AINSTO AMNRF grant number 10/11-O-06. This research is supported by the Ministry of Education and Science of the Republic of Serbia through project No. 176005. We thank the referee for excellent comments that improved this manuscript. |