TYC 8241 2652 1 and the case of the disappearing disk: no smoking gun yet
Günther, Hans Moritz; Kraus, Stefan; Melis, Carl; Curé, Michel; Harries, Tim; Kanaan, Samer; Poppenhaeger, Katja; Rizzuto, Aaron C.; Rodriguez, David; Schneider, Christian P.; Sitko, Michael; Weigelt, Gerd; Willson, Matthew; Wolk, Scott; Ireland, Michael
TYC 8241 2652 1 is a young star that showed a strong mid-infrared (mid-IR, 8-25 mu) excess in all observations before 2008 consistent with a dusty disk. Between 2008 and 2010 the mid-IR luminosity of this system dropped dramatically by at least a factor of 30 suggesting a loss of dust mass of an order of magnitude or more. We aim to constrain possible models including removal of disk material by stellar activity processes, the presence of a binary companion, or other explanations...[Show more]
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|Gunther H M et al TYC 8241 2652 1 and 2017.pdf||160.78 kB||Adobe PDF|
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