AR_final file_2018-19

8 9 10 11 12 13 λ(μm) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 P λ /P max Model parameters: Composition: SiGr AR = 2.0 Radius = 0.5 Vol Frac = 0.3 Observed Star HL Tau DDA Model Best fit 8 9 10 11 12 13 λ(μm) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 P λ /P max Model parameters: Composition: Sipor AR = 2.0 Radius = 0.5 Vol Frac = 0.3 Observed Star HL Tau EMA Model Best fit Figure 18: Composite grain models: DDA (left panel) and EMA (right panel) models with various combinations showing best fits to observed star HL Tau. 8 9 10 11 12 13 λ(μm) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 P λ /P max Model parameters: Composition: SiCSi AR = 1.5 Radius = 0.5 Vol Frac = 0.3 Observed Star SVS13 DDA Model Best fit 8 9 10 11 12 13 λ(μm) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 P λ /P max Model parameters: Composition: SiCSi AR = 2.0 Radius = 0.5 Vol Frac = 0.2 Observed Star SVS13 EMA Model Best fit Figure 19: Composite grain models: DDA (left panel) and EMA (right panel) models with various combinations showing best fits to observed star SVS13 (Fujiyoshi et al. 2015). ( 86 )