Disintegration of short-period comets

Details Disintegration of short-period comets Disintegration of short-period comets

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20039r&link_type=abstract

Spitzer Proposal ID #20039

Computer Science

Scientific paper

We propose to search for debris from short-period comets as they disintegrate in the inner Solar System. The debris is well-known as meteor showers for comets whose orbit intersects the Earth's, and as the dust trails discovered by IRAS. This proposal has three parts. (1) Continuation of a survey of for debris trails behind currently active short-period comets. The new observations will double the sample size from previous work, where small numbers (2-3 each) of comets had particularly unique properties, including no trail, massive trail comparable leading and trailing, and narrow trails much narrower than ever seen before. (2) Search for debris from recently-split comets in particular 73P/Schwassmann- Wachmann 3 which has an excellent viewing geometry during the GO2 period. The sum of known fragment masses appears to be much less than the original comet, meaning significant mass may be in the form of mm- to cm-sized debris similar to the IRAS trails. (3) Search for debris left behind by "dead" comets in particular 3D/Biela whose nucleus has not been recovered but which produced exceptional meteor showers in apparitions after being observed to split.

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