Destruction of stellar disks by photoevaporation

D. Johnstone, I. Matsuyama, I. G. McCarthy, A. S. Font

Research output: Contribution to journalConference article

11 Scopus citations


Photoevaporation may provide an explanation for the short lifetimes of disks around young stars. With the exception of neutral oxygen lines, the observed low-velocity forbidden line emission from T Tauri stars can be reproduced by photoevaporating models. The natural formation of a gap in the disk at several AU due to photoevaporation and viscous spreading provides a possible halting mechanism for migrating planets and an explanation for the abundance of observed planets at these radii.

Original languageEnglish (US)
Pages (from-to)38-41
Number of pages4
JournalRevista Mexicana de Astronomia y Astrofisica: Serie de Conferencias
StatePublished - Dec 1 2004
EventGravitational Collapse: from Massive Stars to Planets - Ensenada, Baja California, Mexico
Duration: Dec 8 2003Dec 12 2003


  • Accretion, Accretion disks
  • Stars: Formation

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

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