Localization of the Chelyabinsk Meteorite From Magnetic Field Survey and GPS Data

The Chelyabinsk meteorite fragment that landed in the Chebarkul lake in Russia on February 15, 2013 weighed over half a ton. We provide magnetic field maps that were obtained during underwater measurements above the fragment. The data acquisition process was multiple global position system reference...

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Bibliographic Details
Published in:IEEE sensors journal 2015-09, Vol.15 (9), p.4875-4881
Main Authors: Kletetschka, Gunther, Vyhnanek, Jan, Kawasumiova, Darja, Nabelek, Ladislav, Petrucha, Vojtech
Format: Article
Language:English
Subjects:
Accuracy
Calibration
fluxgate sensor
Global Positioning System
gradient methods
Ice
Magnetometers
meteorite search
Sensors
Synchronization
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Summary:The Chelyabinsk meteorite fragment that landed in the Chebarkul lake in Russia on February 15, 2013 weighed over half a ton. We provide magnetic field maps that were obtained during underwater measurements above the fragment. The data acquisition process was multiple global position system referenced magnetic surveys 0.5-1 m above the top of the lake sediment layer at 10 m water depth. Gradiometric configuration of the survey using two triaxial fluxgate magnetometers helped to suppress local geological anomalies. The location of the ice crater and the underwater magnetic anomaly provided final meteorite landing coordinates, which were made available during meteorite recovery.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2015.2435252