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Radar Studies of the Orbits of Small Meteoroids

Published online by Cambridge University Press:  25 April 2016

W. J. Baggaley ,
R. G. T. Bennett ,
D. I. Steel  and
A. D. Taylor
W. J. Baggaley
Affiliation:
Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
R. G. T. Bennett
Affiliation:
Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
D. I. Steel
Affiliation:
Anglo-Australian Observatory, Private Bag, Coonabarabran, NSW 2357 andUniversity of Adelaide
A. D. Taylor
Affiliation:
Unit tor Space Sciences, University of Kent at Canterbury, Canterbury CT2 7NR, England
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Abstract

A description is given of a radar facility operating in New Zealand which measures the atmospheric trajectories and hence heliocentric orbits of earth-impacting meteoroids having radiants with declinations +5° < δ < −30° down to a limiting radar meteor magnitude of +13 (corresponding to particle sizes of ~100 μm, masses ~10−6 g). The data handling capacity of the facility permits recording, orbit reduction and efficient presentation of orbital data using graphical packages to be carried out on a routine basis. The daily yield is ~1500 individual orbits with >3×105 secured to date; this is greater than the number determined in all previous meteoroid orbit surveys combined and forms a major southern hemisphere database for dynamical studies of the solar system meteoroid population.

Type
Solar and Solar System
Information
Publications of the Astronomical Society of Australia , Volume 11 , Issue 2 , August 1994 , pp. 151 - 156
Copyright
Copyright © Astronomical Society of Australia 1994

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