Searching for Light Curve Evidence of Meteoroid Structure and Fragmentation

Details Searching for Light Curve Evidence of Meteoroid Structure and Fragmentation Searching for Light Curve Evidence of Meteoroid Structure and Fragmentation

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004em%26p...95..289f&link_type=abstract

Earth, Moon, and Planets, Volume 95, Issue 1-4, pp. 289-295

Statistics

Methodology

1

Dustball, Fragmentation, Light Curve, Meteor, Meteoroids

Scientific paper

We used light curve analysis to search for evidence of the dustball meteoroid model. Leonid, Taurid, Alpha Monocerotid and sporadic meteors from November 2003 were observed and analyzed using uniform methodology. Meteors from these four sources were examined for evidence of fragmentation by examining light curve shape and searching for light curve irregularities. Differences in meteoroid structure should be reflected by differences in meteor light curves. The resulting meteor light curve F-parameter values showed no statistically significant differences between the meteors from the various cometary showers or the sporadic meteors. The F-parameter values also suggest that the meteoroids from these sources do not follow a single body ablation model, which suggests that all four sources produce meteoroids with a dustball structure.

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