Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21560609i&link_type=abstract
American Astronomical Society, AAS Meeting #215, #606.09; Bulletin of the American Astronomical Society, Vol. 36, p.1131
Astronomy and Astrophysics
Astronomy
Scientific paper
Using CARMA we have observed several circumstellar disks around low mass stars in Taurus star forming region. The observations have angular resolution between 0.15 and 0.7 arcsecond, corresponding to spatial scales spanning from about the orbit of Saturn up to about the orbital radius of Pluto. The observed disks are characterized by a variety of radial profiles for the dust density. We observe inner disk clearing as well as smooth density profiles, suggesting that disks may form, or evolve, in different ways. Nevertheless, we find that the characteristic disk radius is correlated with the stellar age increasing from 20 AU to 100 AU over about 5 Myr.
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