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Published June 2013 | Published
Book Section - Chapter Open

TW Hydrae: multi-wavelength interferometry of a transition disk


For over a decade, the structure of the inner "hole" in the transition disk around TW Hydrae has been a subject of debate. To probe the innermost regions of the protoplanetary disk, observations at the highest possible spatial resolution are required. We present new interferometric data of TW Hya from near-infrared to millimeter wavelengths. We confront existing models of the disk structure with the complete data set and develop a new, detailed radiative-transfer model. This model is characterized by: 1) a spatial separation of the largest grains from the small disk grains; and 2) a smooth inner rim structure, rather than a sharp disk edge.

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© 2013 International Astronomical Union. Published online: 06 January 2014.

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August 19, 2023
October 19, 2023