Dusty Debris Disks as Signposts of Planets: Implications for Spitzer Space Telescope
نویسندگان
چکیده
Submillimeter and near-infrared images of cool dusty debris disks and rings suggest the existence of unseen planets. At dusty but nonimaged stars, semimajor axes of associated planets can be estimated from the dust temperature. For some young stars these semimajor axes are greater than 100 as seen from Earth. Such stars are excellent targets for sensitive near-infrared imaging searches for warm planets. To probe the full extent of the dust and hence of potential planetary orbits, Spitzer observations should include measurements with the 160 m filter. Subject headings: astrobiology — infrared: stars — planetary systems: protoplanetary disks
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Dusty Debris Disks as Signposts of Planets: Implications for SIRTF
Submillimeter and near-infrared images of cool dusty debris disks and rings suggest the existence of unseen planets. At dusty but non-imaged stars, semi-major axes of associated planets can be estimated from the dust temperature. For some young stars these semi-major axes are greater than an arc second as seen from Earth. Such stars are excellent targets for sensitive near-infrared imaging sear...
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