Spitzer IRS Spectroscopy of IRAS-Discovered Debris Disks 1

@inproceedings{Chen2006SpitzerIS,
  title={Spitzer IRS Spectroscopy of IRAS-Discovered Debris Disks 1},
  author={Christine H-T Chen and B. A. Sargent and Chris Bohac and Kee Hoon Kim and Eric M Leibensperger and Marek Jura and Joan R. Najita and William J. Forrest and Dan M. Watson and G. C. Sloan and Luke D. Keller},
  year={2006}
}
We have obtained Spitzer Space Telescope IRS 5.5 35 μm spectra of 59 main sequence stars that possess IRAS 60 μm excess. The spectra of five objects possess spectral features that are well-modeled using micron-sized grains and silicates with crystalline mass fractions 0% 80%, consistent with T-Tauri and Herbig AeBe stars. With the exception of η Crv, these objects are young with ages ≤50 Myr. Our fits require the presence of a cool black body continuum, Tgr = 80 200 K, in addition to hot… CONTINUE READING

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