The disk around CoKu TAURI/4: Circumbinary, not transitional
CoKu Tau/4 has been labeled as one of the very few known transition disk objects-disks around young stars that have their inner disks cleared of dust, arguably as a result of planetary formation. We report aperture-masking inter-ferometry and adaptive optics imaging observations showing that CoKu Tau/4 is in fact a near-equal binary star of projected separation ∼53 mas (∼8 AU). The spectral energy distribution of the disk is then naturally explained by the inner truncation of the disk through...[Show more]
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|Source:||Astrophysical Journal, The|
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