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- W3039289701 abstract "We discuss the properties of several circumstellar debris disk systems imaged with the Hubble Space Telescope's Near Infrared Camera and Multi-Object Spectrometer in a survey of young stars with known far-IR excesses. These dusty disks around young ($sim$ 5--8 Myr) unembedded stars exhibit morphological anisotropies and other characteristics which are suggestive of recent or on-going planet formation. We consider evidence for the evolution of populations of collisionally produced disk grains in light of the significant presence of remnant primordial gas in the optically thick disk of the classical T-Tauri star TW Hya; the dust-dominated and Kuiper-belt like circumstellar ring about the young main-sequence star HR 4796A; and a possible ``intermediate'' case, the complex disk around the Herbig AeBe star HD 141569A. Only a small number of debris disks have been imaged thus far in scattered light. Yet all show structures that may be indicative of dust reprocessing, possibly as a result of planet formation, and speak to the contemporary competing scenarios of disk/planet evolution and formation time scales." @default.
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- W3039289701 date "2001-04-09" @default.
- W3039289701 modified "2023-10-18" @default.
- W3039289701 title "Dust to Dust: Evidence for Planet Formation?" @default.
- W3039289701 doi "https://doi.org/10.48550/arxiv.astro-ph/0104158" @default.
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