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Multi-wavelength Ob...
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Stritzinger, MaximilianStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Aarhus University, Denmark
(author)
Multi-wavelength Observations of the Enduring Type IIn Supernovae 2005ip and 2006jd
- Article/chapterEnglish2012
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LIBRIS-ID:oai:DiVA.org:su-83516
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-83516URI
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https://doi.org/10.1088/0004-637X/756/2/173DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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We present an observational study of the Type IIn supernovae (SNe IIn) 2005ip and 2006jd. Broadband UV, optical, and near-IR photometry, and visual-wavelength spectroscopy of SN 2005ip complement and extend upon published observations to 6.5 years past discovery. Our observations of SN 2006jd extend from UV to mid-infrared wavelengths, and like SN 2005ip, are compared to reported X-ray measurements to understand the nature of the progenitor. Both objects display a number of similarities with the 1988Z-like subclass of SN IIn including (1) remarkably similar early- and late-phase optical spectra, (2) a variety of high-ionization coronal lines, (3) long-duration optical and near-IR emission, and (4) evidence of cold and warm dust components. However, diversity is apparent, including an unprecedented late-time r-band excess in SN 2006jd. The observed differences are attributed to differences between the mass-loss history of the progenitor stars. We conclude that the progenitor of SN 2006jd likely experienced a significant mass-loss event during its pre-SN evolution akin to the great 19th century eruption of η Carinae. Contrarily, as advocated by Smith et al., the circumstellar environment of SN 2005ip is found to be more consistent with a clumpy wind progenitor.
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Taddia, FrancescoStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ftadd
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Fransson, ClaesStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)frans
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Fox, Ori D.
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Morrell, Nidia
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Phillips, M. M.
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Sollerman, JesperStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle
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Anderson, J. P.
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Boldt, Luis
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Brown, Peter J.
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Campillay, Abdo
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Castellon, Sergio
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Contreras, Carlos
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Folatelli, Gastón
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Habergham, S. M.
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Hamuy, Mario
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Hjorth, Jens
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James, Phil A.
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Krzeminski, Wojtek
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Mattila, Seppo
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Persson, Sven E.
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Roth, Miguel
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Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
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In:Astrophysical Journal756:20004-637X1538-4357
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Stritzinger, Max ...
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Taddia, Francesc ...
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Fransson, Claes
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Fox, Ori D.
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Morrell, Nidia
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Phillips, M. M.
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Sollerman, Jespe ...
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Anderson, J. P.
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Boldt, Luis
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Brown, Peter J.
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Campillay, Abdo
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Castellon, Sergi ...
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Contreras, Carlo ...
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Folatelli, Gastó ...
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Habergham, S. M.
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Hamuy, Mario
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Hjorth, Jens
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James, Phil A.
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Krzeminski, Wojt ...
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Mattila, Seppo
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Persson, Sven E.
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Roth, Miguel
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