Kotak, R and Meikle, P and Pozzo, M and van Dyk, SD and Farrah, D and Fesen, R and Filippenko, AV and Foley, RJ and Fransson, C and Gerardy, CL and Hoflich, PA and Lundqvist, P and Mattila, S and Sollerman, J and Wheeler, JC (2006) Spitzer measurements of atomic and molecular abundances in the Type IIPSN 2005af. ASTROPHYS J , 651 (2) L117 - L120.
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We present results based on mid-infrared (3.6-30 mm) 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.
|Title:||Spitzer measurements of atomic and molecular abundances in the Type IIPSN 2005af|
|Keywords:||supernovae : general, supernovae : individual (SN 1987A, SN 2004dj, SN 2005af), CORE-COLLAPSE SUPERNOVAE, SILICON MONOXIDE, DUST FORMATION, MASSIVE STARS, LINE-PROFILES, SN-1987A, 1987A, NUCLEOSYNTHESIS, EVOLUTION, EMISSION|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Earth Sciences|
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