Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iauss...7e..12b&link_type=abstract
Astronomy in Antarctica, 26th meeting of the IAU, Special Session 7, 22-23 August, 2006 in Prague, Czech Republic, SPS7, #12
Astronomy and Astrophysics
Astronomy
Scientific paper
Since 1969, the Antarctic became the most fertile part of the Earth to yield meteorites. The recovered meteorites have been concentrated in specific locations by the actions of wind and snow. It is difficult, therefore to derive their history prior to their arrival onto the Antarctic ice except for an estimate of their space residence. We propose to deploy a system of two or more panoramic cameras in the Antarctic designed to observe meteors and measure their space trajectories. The cameras are patterned after the successful CONCAM systems with the specific difference that each would be equipped with a high-precision light chopper. The CCD images collected by the continuously-operating cameras will yield the angular speed of each detected meteor. Using two or more cameras spaced by a few km or tens of km it will be possible, using triangulation, to derive the space trajectories of these meteors. In case of meteorite-dropping meteors, the trajectory analysis will allow the determination of the approximate ground impact. This would allow recovery of the meteorite(s) in the subsequent Antarctic spring season with the full knowledge of the space history and with a very small chance of weathering.
Brosch Noah
Nemiroff Robert
Shamir Lior
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