Dynamical resonant structures in meteoroid stream orbits

Details Dynamical resonant structures in meteoroid stream orbits Dynamical resonant structures in meteoroid stream orbits

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mnras.414.1059s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 414, Issue 2, pp. 1059-1076.

Astronomy and Astrophysics

Astronomy

Comets: Individual: 2P/Encke, Meteorites, Meteors, Meteoroids

Scientific paper

Herein we use the Canadian Meteor Orbit Radar (CMOR) data set to search for evidence of a resonant swarm in the Taurid meteoroid stream at the 7:2 Jovian resonance. We use a numerical method to estimate the reduction in radar orbit measurement uncertainty required to detect this feature in a data set. This is highly dependent on the proportion of observed particles that are members of the resonant swarm. However, we find that a meteor radar with uncertainties a factor of 10 lower than those of the current CMOR will be sufficient for detection to be possible, if the meteor shower consists of more than 5 per cent resonant particles (considered likely given the results of visual meteor studies). Such an improvement will require accurate removal of deceleration errors from pre-atmospheric meteor velocities, and improvement to the robustness of echo inflection point identification algorithms and interferometric measurements.

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