Mid-infrared images of β Pictoris and the possible role of planetesimal collisions in the central disk

Charles M. Telesco (), R. Scott Fisher, Mark C. Wyatt, Stanley F. Dermott, Thomas J. J. Kehoe, Steven Novotny, Naibi Mariñas, James T. Radomski, Christopher Packham, James De Buizer and Thomas L. Hayward
Additional contact information
Charles M. Telesco: University of Florida
R. Scott Fisher: Gemini Observatory Northern Operations Center
Mark C. Wyatt: UK Astronomy Technology Centre, Royal Observatory
Stanley F. Dermott: University of Florida
Thomas J. J. Kehoe: University of Florida
Steven Novotny: University of Florida
Naibi Mariñas: University of Florida
James T. Radomski: University of Florida
Christopher Packham: University of Florida
James De Buizer: Gemini Observatory Southern Operations Center, c/o AURA, Casilla
Thomas L. Hayward: Gemini Observatory Southern Operations Center, c/o AURA, Casilla

Nature, 2005, vol. 433, issue 7022, 133-136

Abstract: When worlds collide Multi-wavelength images of the well known debris disk orbiting the star β-Pictoris reveal the distribution of disk material in unprecedented detail. The central disk is unusual in that one wing is much brighter than the other. The new images suggest that the bright region is caused by a clump of particles that differ in size from those elsewhere in the disk, possibly the legacy of collisions between planetesimals trapped in the disk, or the cataclysmic break-up of a planetesimal.

Date: 2005
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DOI: 10.1038/nature03255

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