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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Matsuura, Mikako
Cardiff University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Quantifying the dust in SN 2012aw and iPTF14hls with ORBYTScitations
- 2023Evidence for late-time dust formation in the ejecta of supernova SN 1995N from emission-line asymmetriescitations
- 2021JWST Survey of the Prototypical Core-collapse Supernova Remnant Cassiopeia A
- 2015A stubbornly large mass of cold dust in the ejecta of Supernova 1987Acitations
- 2015From flux to dust mass: Does the grain-temperature distribution matter for estimates of cold dust masses in supernova remnants?citations
- 2010The mass-loss return from evolved stars to the Large Magellanic Cloud. III. Dust properties for carbon-rich asymptotic giant branch starscitations
- 2006Mid-Infrared Spectroscopy of Carbon Stars in the Small Magellanic Cloudcitations
- 2006A Spitzer mid-infrared spectral survey of mass-losing carbon stars in the Large Magellanic Cloudcitations
- 2006A Spitzer mid-infrared spectral survey of mass-losing carbon stars in the Large Magellanic Cloudcitations
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article
Evidence for late-time dust formation in the ejecta of supernova SN 1995N from emission-line asymmetries
Abstract
We present a study of the dust associated with the core-collapse supernova SN 1995N. Infrared emission detected 14-15 yr after the explosion was previously attributed to thermally echoing circumstellar material (CSM) associated with the supernova (SN) progenitor. We argue that this late-time emission is unlikely to be an echo, and is more plausibly explained by newly formed dust in the SN ejecta, indirectly heated by the interaction between the ejecta and the CSM. Further evidence in support of this scenario comes from emission-line profiles in spectra obtained 22 yr after the explosion; these are asymmetric, showing greater attenuation on the red wing, consistent with absorption by dust within the expanding ejecta. The spectral energy distribution and emission-line profiles at epochs later than ~5000 d are both consistent with the presence of about 0.4 M<SUB>⊙</SUB> of amorphous carbon dust. The onset of dust formation is apparent in archival optical spectra, taken between 700 and 1700 d after the assumed explosion date. As this is considerably later than most other instances where the onset of dust formation has been detected, we argue that the explosion date must be later than previously assumed....