Determining the initial radius of meteor trains: fragmentation

The initial radius of meteor ionization has significant effects on measured height distributions, velocity distributions and flux measurements of underdense echoes determined from meteor radar observations. Multifrequency radar observations are used to examine the effects of initial train radius. A...

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Bibliographic Details
Published inMonthly notices of the Royal Astronomical Society Vol. 343; no. 3; pp. 775 - 780
Main Authors Campbell-Brown, M., Jones, J.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Science Ltd 11.08.2003
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Summary:The initial radius of meteor ionization has significant effects on measured height distributions, velocity distributions and flux measurements of underdense echoes determined from meteor radar observations. Multifrequency radar observations are used to examine the effects of initial train radius. A model has been constructed to explain the observed distribution, and has been tested on the 2001 Geminids. It is shown that fragmentation accounts for the most significant part of the attenuation due to finite train size.
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ISSN:0035-8711
1365-2966
DOI:10.1046/j.1365-8711.2003.06713.x