Interstellar and interplanetary meteoroid flux from updated IAU MDC data

Details Interstellar and interplanetary meteoroid flux from updated IAU MDC data Interstellar and interplanetary meteoroid flux from updated IAU MDC data

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..173h&link_type=abstract

In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed

Statistics

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Meteoroids: Statistics

Scientific paper

The orbital and geophysical data of meteoroids from the updated version of the IAU Meteor Data Center Datbase of 4581 photographic meteor have been analyzed. The proportion of hyperbolic meteors decreased significantly after the error analysis from originally 1.15×10-1 to 3×10-2. The proportion of possible interstellar meteors does not exceed 2.5×10-4. The comparison of these results with those obtained with different techniques, including high power radars and cosmic dust detectors onboard Ulysses and Galileo space probes, shows an increasing proportion of the possibly interstellar particles towards the smaller masses, in the mass range of 10-19 - 101 kg. The obtained mass index for interstellar particles is si1 = 2.25 for m > 10-10 kg and si2 = 1.83 for m < 10-10 kg.

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