Image Details
Caption: Figure 19.
Continuum-subtracted and continuum-normalized spectra (same procedure as for the spectra in Figure 16) of IRAS 04108+2910, 2MASS J04284263+2714039, 2MASS J04554535+3019389, and DH Tau which are the T Tauri stars most dominated by crystalline grains as judged by the flux ratio at 11.3 and 9.8 μm and the shape of their 10 μm silicate features.
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