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Destruction of stellar disks by photoevaporation

Johnstone, D, Matsuyama, I, McCarthy, IG and Font, AS (2004) Destruction of stellar disks by photoevaporation. In: Gravitational Collapse: From Massive Stars To Planet , 22. pp. 38-41. (GRAVITATIONAL COLLAPSE: FROM MASSIVE STARS TO PLANETS, 8-12 December 2003, ENSENADA, BAJA CALIFORNIA, MÉXICO).

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Abstract

Photoevaporation may provide an explanation for the short lifetimes of disks around young stars. With the exception of neutral oxygen lines, the observed low-velocit y forbidden line emission from T Tauri stars can b e reproduced b y photoevaporating models. The natural formation of a gap in the disk at several A U 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.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Gravitational Collapse: from massive stars to planets (© Copyright 2004: IA, UNAM) Editors: G. García-Segura, G. Tenorio-Tagle, J. Franco, & H. W. Yorke
Uncontrolled Keywords: Science & Technology; Physical Sciences; Astronomy & Astrophysics; accretion; accretion disks; stars : formation; AMBIPOLAR DIFFUSION; ACCRETION; NEBULA
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Astrophysics Research Institute
Publisher: Universidad Nacional Autonoma Mexico Instituto Astronomina
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Date Deposited: 29 Apr 2021 10:17
Last Modified: 29 Apr 2021 10:17
Editors: GarciaSegura, G, TenorioTagle, G and Yorke, JFH
URI: https://researchonline.ljmu.ac.uk/id/eprint/14889

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