Accretion disks in luminous young stellar objects |
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| Authors: | M?T?Beltrán Email author" target="_blank">W?J?de?WitEmail author |
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| Institution: | 1.INAF-Osservatorio Astrofisico di Arcetri,Firenze,Italy;2.European Southern Observatory,Santiago de Chile,Chile |
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| Abstract: | An observational review is provided of the properties of accretion disks around young stars. It concerns the primordial disks of intermediate- and high-mass young stellar objects in embedded and optically revealed phases. The properties were derived from spatially resolved observations and, therefore, predominantly obtained with interferometric means, either in the radio/(sub)millimeter or in the optical/infrared wavelength regions. We make summaries and comparisons of the physical properties, kinematics, and dynamics of these circumstellar structures and delineate trends where possible. Amongst others, we report on a quadratic trend of mass accretion rates with mass from T Tauri stars to the highest mass young stellar objects and on the systematic difference in mass infall and accretion rates. |
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