IRS Spectroscopy of Debris Disks Discovered by AKARI/IRC

Details IRS Spectroscopy of Debris Disks Discovered by AKARI/IRC IRS Spectroscopy of Debris Disks Discovered by AKARI/IRC

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50378f&link_type=abstract

Spitzer Proposal ID #50378

Physics

Scientific paper

It is very important to investigate the properties and spatial distribution of dust in debris disks to discuss the planet formation process. We have discovered 9 new debris disk candidates that show large 20 micron excess from the AKARI/IRC mid-infrared all-sky survey and pointed observations. Here we propose mid-infrared follow-up observations to reveal detailed spatial distribution and properties of the dust in the debris disks candidates with Spitzer/IRS. We investigate dust temperatures and spatial distributions of dust disk from the obtained mid-infrared spectral energy distributions of the excess. From the shapes, peak positions, and bandwidths of the dust features in the obtained spectra, we investigate dust properties, which may provide us some hints about the origin of dust in debris disks.

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