Effects of particle size distribution on opacity curves of protoplanetary disks around T Tauri stars

Details Effects of particle size distribution on opacity curves of protoplanetary disks around T Tauri stars Effects of particle size distribution on opacity curves of protoplanetary disks around T Tauri stars

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993icar..106...20m&link_type=abstract

Icarus, vol. 106, p. 20

Physics

135

Particle Size Distribution, Opacity, T Tauri Stars, Stellar Envelopes, Mie Scattering, Millimeter Waves, Submillimeter Waves, Silicates, Ice, Water

Scientific paper

In the present interpretation of observed opacity indices in the sub-mm and mm-wavelength regions of T Tauri stars' circumstellar disks, it is shown that circumstellar dust particle growth can explain the difference in power law indices beta between interstellar and circumstellar dust particles. Mie calculations were conducted to obtain the particle opacity curves of sufficiently grown dust particles of cm-or-greater size, as well as of submicronic dust size. Low beta can be due to the superposition of small and large particles.

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