Image Details
Caption: Figure 8.
Spectral index between 13 and 31 μm vs. the equivalent width of the 10 μm silicate feature for the T Tauri stars in our sample. The polygon is adopted from Furlan et al. (2009b) as the region occupied by optically thick accretion disks with different degrees of dust settling.
© 2011. The American Astronomical Society. All rights reserved.