Fig. B.1
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Dust grain opacity model used for this study. Shown here is the opacity as a function of wavelength for three grain sizes in units of cm2 per gram of dust. Solid line: total effective opacity 
; dashed line: effective scattering opacity 
. The dotted line represents the simple κλ = 3π/2ρsλ opacity model of Ivezic et al. (1997) in the vanishingly small grain size limit.
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