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Fig. 4


Variations of dust production rates by AGB stars for silicate, carbonaceous, SiC, and iron dust during the LMC evolution calculated with dust yields taken from Zhukovska et al. (2008). The DPR for silicates and carbonaceous grains from SN II are shown for illustration. The production rate for metallic iron by SN II is added to that of silicates. Uncertainties in DPR for each species due to the uncertainties in the SFH fit are shown as shaded regions. Open and closed symbols show the current DPRs for carbon- and oxygen-rich dust, respectively, derived from IR observations by Matsuura et al. (2009, triangles, with an arrow marking an upper limit), Boyer et al. (2012, squares), Riebel et al. (2012, circles), and Srinivasan et al. (2009, diamonds).

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