Statistics
Scientific paper
Feb 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995avest..29...72l&link_type=abstract
Astronomicheskii Vestnik, Tom 29, No. 1, p. 72 - 77
Statistics
Meteoroids: Statistics, Meteoroids: Fragmentation, Meteoroids: Masses, Meteoroids: Chemical Composition
Scientific paper
A method of semiempirical simulation of meteor disappearance heights was elaborated. This method makes possible estimating the features of the parent meteoroids in the framework of their quasi-continuous fragmentation theory. Four graduations of meteoroid characteristics were introduced. Average masses of coarse fraction of splinters for each of these groups were determined from comprehensive mathematical simulations of heights and decelerations data on the 402 Super-Schmidt meteors. Average masses of splinters coarse fraction were 0.06 - 1 mg. The application of the semiempirical simulation method to a statistical representative catalog of 359 Super-Schmidt meteors and taking into account of observation selectivity made possible to determine that about 40% of meteoroids entering into the Earth's atmosphere had a very friable structure, a high content of volatile compounds, or a unusual chemical composition. The fraction of the carbonaceous chondrite-type C I meteoroids with a high content of volatile compounds was about 33%.
Galkina I. V.
Lebedinets Vladimir N.
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