The Vega debris disk: A surprise from spitzer

@article{Su2005TheVD,
  title={The Vega debris disk: A surprise from spitzer},
  author={Kate Y. L. Su and George H. Rieke and Karl Anthony Misselt and J. Stansberry and Amaya Moro-martin and Karl R. Stapelfeldt and Michael W. Werner and David E. Trilling and George J Bendo and Karl D. Gordon and Dean C. Hines and Mark C. Wyatt and Wayne S. Holland and Massimo Marengo and S. Thomas Megeath and Gemini Observatory and JPL-Caltech and Max-Planck Institut fur Astronomie and Space Telescope Science Institute and R.-J. Dettmar Steward Observatory and Cfa},
  journal={The Astrophysical Journal},
  year={2005},
  volume={628},
  pages={487-500}
}
  • K. Su, G. Rieke, Cfa
  • Published 4 April 2005
  • Physics, Geology
  • The Astrophysical Journal
We present high spatial resolution mid- and far-infrared images of the Vega debris disk obtained with the Multiband Imaging Photometer for Spitzer (MIPS). The disk is well resolved, and its angular size is much larger than found previously. The radius of the disk is at least 43'' (330 AU), 70'' (543 AU), and 105'' (815 AU) in extent at 24, 70, and 160 μm, respectively. The disk images are circular, smooth, and without clumpiness at all three wavelengths. The radial surface brightness profiles… 
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Confirming the Primarily Smooth Structure of the Vega Debris Disk at Millimeter Wavelengths
Clumpy structure in the debris disk around Vega has been previously reported at millimeter wavelengths and attributed to concentrations of dust grains trapped in resonances with an unseen planet.
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