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Gas Evolution in the Planet-Forming Region of Disks

Published online by Cambridge University Press:  21 October 2010

Ilaria Pascucci
Ilaria Pascucci*
Affiliation:
Space Telescope Science Institute3700 San Martin Drive, Baltimore, MD 21218, USA email: pascucci@stsci.edu Dept. of Physics & Astronomy, Johns Hopkins University3400 N. Charles Street, Baltimore, MD 21218, USA email: pascucci@pha.jhu.edu
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Abstract

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The timescale over which gas-rich disks disperse profoundly affects not only the formation of giant planets but also the habitability of terrestrial planets. In this contributed talk we presented new atomic and molecular diagnostics that can be used to trace the dispersal of gas at disk radii where planets form. We also showed the first observational evidence for photoevaporation driven by the central star and discussed the efficiency of this disk dispersal mechanism.

Keywords

accretion disksline: identificationline: profilestechniques: spectroscopicplanetary systems: formationplanetary systems: protoplanetary disks
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 739 - 740
Copyright
Copyright © International Astronomical Union 2010

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