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Article: Multifrequency study of the Large Magellanic Cloud supernova remnant (SNR) B0513-692 and new SNR candidate J051327-6911

TitleMultifrequency study of the Large Magellanic Cloud supernova remnant (SNR) B0513-692 and new SNR candidate J051327-6911
Authors
KeywordsSupernova remnants
Radio continuum: galaxies
H ii regions
Magellanic Clouds
Issue Date2007
Citation
Monthly Notices of the Royal Astronomical Society, 2007, v. 378, n. 4, p. 1237-1247 How to Cite?
AbstractWe present a new multiwavelength study of supernova remnant (SNR) B0513-692 in the Large Magellanic Cloud (LMC). The remnant also has a strong, superposed, essentially unresolved, but unrelated radio source at its north-western edge, J051324-691049. This is identified as a likely compact H ii region based on related optical imaging and spectroscopy. We use the Australia Telescope Compact Array (ATCA) at 4790 and 8640 MHz (λ ≃ 6 cm and λ ≃ 3.5 cm) to determine the large-scale morphology, spectral index and polarization characteristics of B0513-692 for the first time. We detect a strongly polarized region (49 per cent) in the remnant's southern edge (λ ≃ 6 cm). Interestingly, we also detect a small (∼40 arcsec) moderately bright, but distinct optical, circular shell in our Hα imagery which is adjacent to the compact H ii region and just within the borders of the north-eastern edge of B0513-692. We suggest that this is a separate new SNR candidate based on its apparently distinct character in terms of optical morphology in three imaged emission lines and indicative SNR optical spectroscopy (including enhanced optical [S ii] emission relative to Hα). © 2007 RAS.
Persistent Identifierhttp://hdl.handle.net/10722/208795
ISSN
2015 Impact Factor: 4.952
2015 SCImago Journal Rankings: 2.806

 

DC FieldValueLanguage
dc.contributor.authorBojičić, Ivan S.-
dc.contributor.authorFilipovíc, Miroslav D.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorPayne, Jeffrey L.-
dc.contributor.authorJones, Paul A.-
dc.contributor.authorReid, Warren A.-
dc.contributor.authorKawamura, Akiko-
dc.contributor.authorFukui, Yasuo-
dc.date.accessioned2015-03-23T02:01:43Z-
dc.date.available2015-03-23T02:01:43Z-
dc.date.issued2007-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 2007, v. 378, n. 4, p. 1237-1247-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208795-
dc.description.abstractWe present a new multiwavelength study of supernova remnant (SNR) B0513-692 in the Large Magellanic Cloud (LMC). The remnant also has a strong, superposed, essentially unresolved, but unrelated radio source at its north-western edge, J051324-691049. This is identified as a likely compact H ii region based on related optical imaging and spectroscopy. We use the Australia Telescope Compact Array (ATCA) at 4790 and 8640 MHz (λ ≃ 6 cm and λ ≃ 3.5 cm) to determine the large-scale morphology, spectral index and polarization characteristics of B0513-692 for the first time. We detect a strongly polarized region (49 per cent) in the remnant's southern edge (λ ≃ 6 cm). Interestingly, we also detect a small (∼40 arcsec) moderately bright, but distinct optical, circular shell in our Hα imagery which is adjacent to the compact H ii region and just within the borders of the north-eastern edge of B0513-692. We suggest that this is a separate new SNR candidate based on its apparently distinct character in terms of optical morphology in three imaged emission lines and indicative SNR optical spectroscopy (including enhanced optical [S ii] emission relative to Hα). © 2007 RAS.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectSupernova remnants-
dc.subjectRadio continuum: galaxies-
dc.subjectH ii regions-
dc.subjectMagellanic Clouds-
dc.titleMultifrequency study of the Large Magellanic Cloud supernova remnant (SNR) B0513-692 and new SNR candidate J051327-6911-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1365-2966.2007.11784.x-
dc.identifier.scopuseid_2-s2.0-34547238482-
dc.identifier.volume378-
dc.identifier.issue4-
dc.identifier.spage1237-
dc.identifier.epage1247-
dc.identifier.eissn1365-2966-

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