A CCD Search for the Dust Trail of the Draconid Parent Comet 21P/Giacobini-Zinner

Details A CCD Search for the Dust Trail of the Draconid Parent Comet 21P/Giacobini-Zinner A CCD Search for the Dust Trail of the Draconid Parent Comet 21P/Giacobini-Zinner

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007esasp.643...23m&link_type=abstract

Workshop on Dust in Planetary Systems (ESA SP-643). September 26-30 2005, Kauai, Hawaii. Editors: Krueger, H. and Graps, A., p.2

Physics

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Scientific paper

21P/Giacobini-Zinner is known as the parent comet of the Draconids, which made spectacular showers in 1933 and 1946. Hence 21P/Giacobini-Zinner is likely to have a dense dust trail. We conducted survey observations of the faint scattered light of 21P/Giacobini-Zinner on 2004 May 23 using the 2.2 m telescope of the University of Hawaii at Mauna Kea, and using the 105 cm Schmidt telescope at Kiso during 2005 May 2--14. We confirm that the typical size of the particles is 10~100 microns for 21P/Giacobini-Zinner and that 21P/Giacobini-Zinner doesn't have a dust trail of particles with a size of >1mm, greater than the detection limit of these observations, a result which shows that there is a significant gap in number density between meteoric dust trails and visible-infrared dust trails.

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