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國立清華大學天文研究所 NTHU Institute of Astronomy
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2015-03-17 Formation and Evolution of Protoplanetary Disks

Time Coordinate: 3:30 pm 17th March 2017 (Friday)

Space Coordinate: NTHU General Building II, R521

Speaker: Dr. Hsi-Wei Yen (European Southern Observatory, Germany)

Title: Formation and Evolution of Protoplanetary Disks


Protoplanetary disks are sites of planet formation. It is essential to study how protoplanetary disks form in dense cores and evolve, to understand the environment of planet formation. In this presentation, I will introduce our observational studies on protoplanetary disks at different evolutionary stages, from the formation and growth of protoplanetary disks around deeply embedded young protostars (Class 0 stage), to the gas dynamics of the material surrounding protoplanetary disks around more evolved protostars (Class I stage), and to the properties of a larger sample of protoplanetary disks around young stellar objects after the main accretion phase (Class II stage).