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Paper: Dust and Chemical Abundances of the Young Planetary Nebula M1-11; First Detection of Fullerenes C60
Volume: 458, Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way
Page: 137
Authors: Otsuka, M.; Kemper, F.; Sargent, B.; Hyung, S.; Meixner, M.; Tajitsu, A.; Yanagisawa, K.
Abstract: We investigated the dust and elemental abundances of the planetary nebula M1-11 based on the multiwavelength data. We calculated elemental abundances using recombination lines and collisionally excited lines. The C/O gas abundance ratio suggests that M1-11 is an O-rich PN, while C-rich dust features are seen in the AKARI/IRC and Spitzer/IRS spectra. The detection of the fullerenes C60 17.3/18.9 μm is the first time for this PN. We constructed a spectral energy distribution model to derive properties of the central star and the ionized nebula and estimate the dust mass.
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