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The Korean Astronomical Society (한국천문학회)
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A PANORAMIC VIEW OF THE ASTEROIDS IN THE INNER SOLAR SYSTEM WITH AKARI

  • Usui, F. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Kuroda, D. (Okayama Astrophysical Observatory, National Astronomical Observatory) ;
  • Muller, T.G. (Max-Planck-Institut fur Extraterrestrische Physik) ;
  • Hasegawa, S. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Ishiguro, M. (Department of Physics and Astronomy, Seoul National University) ;
  • Ootsubo, T. (Astronomical Institute, Tohoku University) ;
  • Ueno, M. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • AKARI SOSOS team, AKARI SOSOS team (AKARI SOSOS team)
  • Received : 2012.07.01
  • Accepted : 2012.08.04
  • Published : 2012.09.16
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Abstract

We constructed an unbiased asteroid catalog from the mid-infrared part of the All-Sky Survey with the Infrared Camera (IRC) on board AKARI. About 20% of the point source events recorded in the IRC All-Sky Survey observations were not used for the IRC Point Source Catalog in its production process because of a lack of multiple detection by position. Asteroids, which are moving objects on the celestial sphere, are included in these "residual events" We identified asteroids out of the residual events by matching them with the positions of known asteroids. For the identified asteroids, we calculated the size and albedo based on the Standard Thermal Model. Finally we had a new brand of asteroid catalog, which contains 5,120 objects, about twice as many as the IRAS asteroid catalog.

Keywords

References

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