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Spitzer Measurements of Atomic and Molecular Abundances in the Type IIP SN 2005af
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2006 (English)In: The Astrophysical Journal, ISSN 0004-637X, Vol. 651, no 2, L117-L120 p.Article in journal (Refereed) Published
Abstract [en]

We present results based on mid-infrared (3.6-30 μm) observations with the Spitzer Space Telescope of the nearby Type IIP supernova 2005af. We report the first ever detection of the SiO molecule in a Type IIP supernova. Together with the detection of the CO fundamental, this is an exciting finding as it may signal the onset of dust condensation in the ejecta. From a wealth of fine-structure lines we provide abundance estimates for stable Ni, Ar, and Ne that, via spectral synthesis, may be used to constrain nucleosynthesis models.

Place, publisher, year, edition, pages
2006. Vol. 651, no 2, L117-L120 p.
Keyword [en]
Stars: Supernovae: General, Stars: Supernovae: Individual: Alphanumeric: SN 1987A, Stars: Supernovae: Individual: Alphanumeric: SN 2004dj, supernovae: individual (SN 2005af)
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-20152DOI: doi:10.1086/509655OAI: diva2:186677
Available from: 2007-02-27 Created: 2007-02-27 Last updated: 2011-01-11Bibliographically approved

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Fransson, ClaesLundqvist, PeterSollerman, Jesper
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Department of Astronomy
Astronomy, Astrophysics and Cosmology

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