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Article overview
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On the effects of the stellar magnetic field on the structure of T Tauri accretion discs | Y. Ulchin
; O. Regev
; G.A. Wynn
; | Date: |
4 Dec 2001 | Subject: | astro-ph | Affiliation: | Technion Haifa, Israel, University of Leicester, UK | Abstract: | The structure of accretion discs around magnetic T Tauri stars is numerically calculated using a particle hydrodynamical code, in which magnetic interaction is included in the framework of King’s diamagnetic blob accretion model. Setting up the calculation so as to simulate the density structure of a quasi-steady disc in the equatorial plane of a T Tauri star, we find that the central star’s magnetic field typically produces a central hole in the disc and spreads out the surface density distribution. We argue that this result suggests a promising mechanism for explaining the unusual flatness (IR excess) of T Tauri accretion disc spectra. | Source: | arXiv, astro-ph/0112085 | Services: | Forum | Review | PDF | Favorites |
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