Journal
ASTROPHYSICAL JOURNAL
Volume 730, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/730/2/126
Keywords
infrared: stars; stars: AGB and post-AGB; stars: circumstellar matter
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Funding
- Research Grants Council of the Hong Kong Special Administrative Region, China [HKU7020/08P]
- Hong Kong University [200909159007]
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We report the first detection of buckminsterfullerene (C-60) in a protoplanetary nebula. The vibrational transitions of C-60 at 7.0, 17.4, and 18.9 mu m are detected in the Spitzer/Infrared Spectrograph spectrum of IRAS 01005+7910. This detection suggests that fullerenes are formed shortly after the asymptotic giant branch but before the planetary nebulae stage. A comparison with the observations of C-60 in other sources is made and the implication for circumstellar chemistry is discussed.
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