Physics
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..229g&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Physics
Radar Meteors, Zodiacal Light, Interplanetary Dust
Scientific paper
The Advanced Meteoroid Orbit Radar system (AMOR) has been routinely collecting meteoroid orbital data since 1990. Its limiting sensitivity from 1995 onwards allows the detection of meteoroids with sizes greater than 40μm - corresponding to masses greater than ~3×10-7g. Recently the ~4×105 orbit filtered data set obtained between 1995 and the end of 1999 has been examined to determine the orbital distribution present at 1 AU. It is important to take full and proper account of several observational bias effects inherent in the radar technique. This has been done and the resultant orbital distribution has been transposed to give the spatial distribution with radial distance and latitude. A summary of this distribution is given here. The lack of detectability of some type of orbits due to the Earth's approximately circular orbit, and the impact this has on the derived spatial distribution, are discussed. The possibility of extrapolating the orbital distribution to help account for this deficiency is briefly explored.
Baggaley William J.
Galligan David P.
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