Evolution of Pre-Main Sequence Accretion Disks

Details Evolution of Pre-Main Sequence Accretion Disks Evolution of Pre-Main Sequence Accretion Disks

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000stin...0016342h&link_type=abstract

Technical Report, Smithsonian Astrophysical Observatory Cambridge, MA United States

Astronomy and Astrophysics

Astrophysics

Accretion Disks, Evolution (Development), Planetary Evolution, Pre-Main Sequence Stars, Gas Giant Planets, T Tauri Stars

Scientific paper

The aim of this project was to develop a comprehensive global picture of the physical conditions in, and evolutionary timescales of, pre-main sequence accretion disks. The results of this work will help constrain the initial conditions for planet formation. To this end we: (1) Developed detailed calculations of disk structure to study physical conditions and investigate the observational effects of grain growth in T Tauri disks; (2) Studied the dusty emission and accretion rates in older disk systems, with ages closer to the expected epoch of (giant) planet formation at 3-10 Myr, and (3) Began a project to develop much larger samples of 3-10 Myr-old stars to provide better empirical constraints on protoplanetary disk evolution.

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