Accretion channeling in classical T Tauri stars

S. G. Gregory, M. Jardine, A. Collier Cameron, J. -F. Donati

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

It is now accepted that accretion in classical T Tauri stars is controlled by the stellar magnetosphere, as opposed to the traditional disk boundary layer model. The magnetosphere truncates the disk at several stellar radii allowing material to couple to the field and fall toward the star. Observations indicate the presence of hot spots on the stellar surface where accretion flows impact the photosphere. By considering magnetic fields with a realistic degree of complexity we demonstrate that the geometry of the field strongly affects the location and distribution of hot spots - the signatures of accretion.
Original languageEnglish
Title of host publicationProceedings of the 13th workshop on Cool Stars, Stellar Systems, and the Sun.
EditorsF. Favata, G. A. J. Hussain, B. Battrick
Place of PublicationNoordwijk
PublisherESA Publications Division
Pages191-197
Number of pages7
Volume560
ISBN (Print)9290928719
Publication statusPublished - Mar 2005

Publication series

NameESA Special Publication
Volume560

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  • Cite this

    Gregory, S. G., Jardine, M., Collier Cameron, A., & Donati, J. -F. (2005). Accretion channeling in classical T Tauri stars. In F. Favata, G. A. J. Hussain, & B. Battrick (Eds.), Proceedings of the 13th workshop on Cool Stars, Stellar Systems, and the Sun. (Vol. 560, pp. 191-197). (ESA Special Publication; Vol. 560). ESA Publications Division.