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arxiv: astro-ph/9902323 · v1 · submitted 1999-02-23 · 🌌 astro-ph

IRAS04496-6958: A luminous carbon star with silicate dust in the Large Magellanic Cloud

Norman R. Trams (ESA) , Jacco Th. van Loon (University of Amsterdam) , Albert A. Zijlstra (UMIST) , Cecile Loup (IAP) , M.A.T. Groenewegen (MPA-Garching) , L.B.F.M. Waters (University of Amsterdam; SRON) , Patricia A. Whitelock (SAAO) , J.A.D.L. Blommaert (ESA)
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Ralf Siebenmorgen (ESA) Astrid Heske (ESA)
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keywords starcarbonsilicateclouddustiras04496-6958largemagellanic
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We describe ISO observations of the obscured Asymptotic Giant Branch (AGB) star IRAS04496-6958 in the Large Magellanic Cloud (LMC). This star has been classified as a carbon star. Our new ISOCAM CVF spectra show that it is the first carbon star with silicate dust known outside of the Milky Way. The existence of this object, and the fact that it is one of the highest luminosity AGB stars in the LMC, provide important information for theoretical models of AGB evolution and understanding the origin of silicate carbon stars.

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