Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011yera.confe..46t&link_type=abstract
The 41st Young European Radio Astronomers Conference, held at University of Manchester/Jodrell Bank Observatory, 18-20 July 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Grain growth in protoplanetary disks is the first step towards the formation of the rocky cores of planets. Dust evolution models predict that grains grow, migrate and fragment in the disk and predict varying dust properties as a function of radius, disk age and physical properties.
To constrain grain growth and migration in protoplanetary disks high-angular resolution observations at more then one (sub-)mm wavelength are currently being performed to detect possible radial variations of the dust properties.
I will present initial results of including radial dependent grain growth at the midplane of two layers passive disks. Our models predict variations of the disk emission as a function of radius as a consequence of the different grain distribution as a function of radius. The aim is to compare the prediction of these models against spatially resolved multi-frequency observations of the disk around some circumstellar disks.
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