New JWST spectra identify C3 as the carrier of the 5.2 um band, detect CS and HCN, link most changes to pulsation, and suggest some prior weak SiC dust reports may be spurious.
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Mid-infrared JWST spectra of carbon stars in the Large Magellanic Cloud
New JWST spectra identify C3 as the carrier of the 5.2 um band, detect CS and HCN, link most changes to pulsation, and suggest some prior weak SiC dust reports may be spurious.