Circumstellar Disk Properties of Young Stellar Objects Revealed by CARMA

Details Circumstellar Disk Properties of Young Stellar Objects Revealed by CARMA Circumstellar Disk Properties of Young Stellar Objects Revealed by CARMA

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21631501k&link_type=abstract

American Astronomical Society, AAS Meeting #216, #315.01; Bulletin of the American Astronomical Society, Vol. 41, p.894

Astronomy and Astrophysics

Astronomy

Scientific paper

Radio interferometers at sub/millimeter wavelengths sensitive to dust continuum are the main tools to study circumstellar disk properties, which show the initial conditions of planet formation. We have initiated a circumstellar disk survey using the Combined Array for Research in Millimeter-wave Astronomy (CARMA) and have obtained 6 T Tauri disk data at both 1.3 and 2.7 mm continua so far, including HL Tau with an angular resolution up to 0.13 arcsecond. We constrained disk properties by visibility modeling in Bayesian inference using power-law disk and viscous accretion disk models. In addition, we compared the two models quantitatively. Furthermore, we detected substructures presumably showing an ongoing mechanism of planet formation.

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