Detailed records of many unrecovered meteorites in western Canada for which further searches are recommended

Details Detailed records of many unrecovered meteorites in western Canada for which further searches are recommended Detailed records of many unrecovered meteorites in western Canada for which further searches are recommended

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jrasc..83...49h&link_type=abstract

Journal of the Royal Astronomical Society of Canada (ISSN 0035-872X), vol. 83, April 1989, p. 49-80.

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Fireballs, Meteor Trails, Meteorites, Ballistic Trajectories, Canada, Fragmentation, Mass, Meteorites, Meteor Showers, Position (Location), Fragmentation, Velocity, Mass, Brightness, Orbits, Data, Description, Photographs, Innisfree, Bruderheim, Blithfield, Blaine Lake, Samples, Meteorite, Orbital Elements, Catalog, Maps

Scientific paper

Photographic records of the meteoritic fireballs observed between 1971 and 1985 with the Canadian camera network were used to obtain essential data for those events that are believed to have dropped significant meteorites. The mass of the largest surviving fragment for each event was estimated from the dynamic data near the end of the photographic trail. In 28 of these events, the mass of the largest fragment was found to be larger than 0.5 kg; these included the recovered Innisfree meteorite and three events with mass of about 10 kg. Sixteen events had mass estimates from 0.1 to 0.5 kg. Twelve other events were in the smaller mass range. Data are presented on height, velocity, brightness, ground location, and the orbit for each of the 44 events in the mass range 0.1-10 kg. Special attention is given to the probable degree of fragmentation during flight and the effects of flight geometry and the upper atmospheric winds on the expected 'ellipse of fall' distribution on the ground.

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