Lebeltzer, Th.Posch, Th.Hinkle, Kenneth HWood, Peter RBouwman, J.2015-12-070004-637Xhttp://hdl.handle.net/1885/19931We observed mid-infrared (7.5-22 μm) spectra of asymptotic giant branch (AGB) stars in the globular cluster 47 Tuc with the Spitzer Space Telescope, and we find significant dust features of various types. A comparison of the characteristics of the dust sKeywords: Stars: AGB and post-AGB; Stars: evolution; Stars: mass loss200610.1086/5105252015-12-07