IAU Colloquium 168
Cometary Nuclei in Space and Time
Nanjing,
China
May 18-22, 1998
Electronically-submitted Abstracts of Participants
The observations of Comet Hale-Bopp's jets and shells and some
preliminary results
Tao Jun, Qian Bo-chen and Tang Yuan,
Shanghai Astronomical Observatory, The Chinese Academy of Sciences
In this paper, we have succeeded in image processing of the near-nuclear
region of Comet Hale-Bopp, jets and shells being clearly separated from
the coma background by means of the wavelet analysis approach. Based on
the morphological information, we made a preliminary estimation of
expanding speed of shells. We also found the relative position of jets
varied slightly from Aug. to Dec. 1996.
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Created 28 Apr 1998. yfp.