Statistics – Computation
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..673m&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 1, 1988, p. 673-693. Research supported by NS
Statistics
Computation
23
Computational Astrophysics, Halley'S Comet, Meteoroid Showers, Orbital Mechanics, Aquarid Meteoroids, Gravitational Effects, Many Body Problem, Orionid Meteoroids, Perturbation Theory, Poynting-Robertson Effect
Scientific paper
The ribbon-like model proposed by McIntosh & Hajduk (1983) for the structure of the Halley meteor stream explained many of the features of the Eta Aquarid and Orionid meteor showers. This model is here verified quantitatively by numerically integrating the orbital motion of up to 500 test particles over several millennia. Perturbations by the major planets, the effect of radiation pressure and Poynting-Robertson drag, are all taken into account. The stream cross-section becomes highly elongated in only a few thousand years. Concentrations in the particle distribution are apparent for larger particles. Meteors now seen in the Orionid shower were injected into the stream earlier than a few thousand years ago whereas in the Eta Aquarid shower we see particles released more recently.
Jones Jason J.
McIntosh Bruce A.
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