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In this paper a simple model for the steady state evolution of debris disks due to collisions is developed and confronted with the properties of the emerging population of seven Sun-like stars thatExpand
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Steady State Evolution of Debris Disks around A Stars
In this paper a simple analytical model for the steady-state evolution of debris disks due to collisions is confronted with Spitzer observations of dust around main sequence A stars. All stars areExpand
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CO emission from discs around isolated HAeBe and Vega-excess stars
We describe results from a survey for J = 3‐2 12 CO emission from visible stars classified as having an infrared excess. The line is clearly detected in 21 objects, and significant molecular gas (10Expand
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A Dust Ring around epsilon Eridani: Analog to the Young Solar System
Dust emission around the nearby star Eridani has been imaged using a new submillimeter camera (the Submillimetre Common-User Bolometer Array at the James Clerk Maxwell Telescope). At an 850 μmExpand
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Molecular Gas Clumps from the Destruction of Icy Bodies in the β Pictoris Debris Disk
One-Sided Story from Disk In young analogs of the solar system, the ongoing erosion of comets and nascent planets produces dusty debris that is eventually expelled by the host star. Gas should alsoExpand
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Spiral density waves in a young protoplanetary disk
Gravitational forces are expected to excite spiral density waves in protoplanetary disks, disks of gas and dust orbiting young stars. However, previous observations that showed spiral structure wereExpand
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Models of the dust structures around Vega-excess stars
ABSTRA C T We present models of the submillimetre dust emission around four Vega-excess stars. The results are adjusted to fit simultaneously the spectral energy distribution from millimetre throughExpand
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Herschel images of Fomalhaut: an extrasolar Kuiper belt at the height of its dynamical activity
Context. Fomalhaut is a young (2 ± 1 × 10 8 years), nearby (7.7 pc), 2 Mstar that is suspected to harbor an infant planetary system, interspersed with one or more belts of dusty debris. Aims. WeExpand
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Multiwaveband Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Correlated Polarization Behavior
We report on multifrequency linear polarization monitoring of 15 active galactic nuclei containing highly relativistic jets with apparent speeds from ~4c to >40c. The measurements were obtained atExpand
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A deep submillimeter survey of the Galactic center
We present first results from a submillimeter continuum survey of the Galactic center central molecular zone (CMZ), made with the Submillimeter Common-User Bolometer Array (SCUBA) on the James ClerkExpand
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