Sparse aperture masking observations of the FL Cha pre-transitional disk
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Cieza, Lucas A; Lacour, Sylvestre; Schreiber, Matthias R; Casassus, Simon; Jordan, A; Mathews, Geoffrey S; Canovas, Hector; Menard, Francois; Kraus, Adam L; Perez, Sebastian; Tuthill, Peter G; Ireland, Michael
Description
We present deep Sparse Aperture Masking (SAM) observations obtained with the ESO Very Large Telescope of the pre-transitional disk object FL Cha (SpT = K8, d = 160 pc), the disk of which is known to have a wide optically thin gap separating optically thick inner and outer disk components. We find non-zero closure phases, indicating a significant flux asymmetry in the KS -band emission (e.g., a departure from a single point source detection). We also present radiative transfer modeling of the...[Show more]
Collections | ANU Research Publications |
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Date published: | 2013 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/66313 |
Source: | Astrophysical Journal Letters |
DOI: | 10.1088/2041-8205/762/1/L12 |
Access Rights: | Open Access |
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01_Cieza_Sparse_aperture_masking_2013.pdf | 870.98 kB | Adobe PDF |
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