A closer look at protoplanetary disk structure

Details A closer look at protoplanetary disk structure A closer look at protoplanetary disk structure

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50406c&link_type=abstract

Spitzer Proposal ID #50406

Computer Science

Scientific paper

We propose to model and interpret the SEDs of disks in Taurus and Chamaeleon, including the IRS spectra and IRAC and MIPS photometry. These samples include full disks, transitional disks, and pre-transitional disks, that is, disks in different stages of evolution of their solid content. They include disks around stars covering a range of stellar parameters, with masses from ~2.5 M_sun down to the substellar limit, and mass accretion rates from a few 10^-7 M_sun/yr down to a few 10^-10 M_sun/yr. We will use our irradiated accretion disk models including dust settling, which successfully reproduce the range of emission characteristics of young disks. Our self-consistent approach to model these disks will give us the ability to compare derived dust properties among different stellar and accretion parameters. This effort will provide considerable insight into the mechanisms determining the disk structure and evolution.

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