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Analysis of instrumental observations of the Jesenice meteorite fall on April 9, 2009
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SYSNO ASEP 0355122 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Analysis of instrumental observations of the Jesenice meteorite fall on April 9, 2009 Author(s) Spurný, Pavel (ASU-R) ORCID, RID
Borovička, Jiří (ASU-R) RID, ORCID
Kac, J. (SI)
Kalenda, Pavel (USMH-B) RID
Atanackov, J. (SI)
Kladnik, G. (SI)
Heinlein, D. (DE)
Grau, T. (DE)Source Title Meteoritics & Planetary Science. - : Wiley - ISSN 1086-9379
Roč. 45, č. 8 (2010), s. 1392-1407Number of pages 16 s. Language eng - English Country US - United States Keywords meteorite fall ; analysis Subject RIV AC - Archeology, Anthropology, Ethnology R&D Projects GA205/08/0411 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10030501 - ASU-R (2005-2011) AV0Z30460519 - USMH-B (2005-2011) UT WOS 000284427400011 DOI 10.1111/j.1945-5100.2010.01121.x Annotation We report an analysis of instrumental observations of a very bright fireball which terminated with a meteorite fall near the town of Jesenice in Slovenia on April 9, 2009, at 0h59m46s UT. The fireball designated EN090409 was recorded photographically and photoelectrically by two southern stations of the Czech part of the European Fireball Network (EN). Simultaneously, a part of the luminous trajectory was also captured by two all-sky CCD systems and one video camera of the Slovenian meteor network. In addition to these optical recordings, the sonic booms produced by the Jesenice fireball were detected at 16 seismic stations located within 150 km of the trajectory. From all these records, we reconstructed the fireball’s atmospheric trajectory, basic geophysical data, the possible impact area, and the original heliocentric orbit of the meteoroid. Using a detailed fireball light curve, we modeled the atmospheric fragmentation of the meteoroid. Both the atmospheric behavior and the heliocentric orbit proved to be quite normal in comparison with other observed meteorite falls. The Jesenice orbit is markedly different from the Příbram and Neuschwanstein orbital meteorite pair, which fell on similar dates (April 7, 1959, and April 6, 2002, respectively). Three meteorites with a total weight of 3.6 kg (until April 2010) were found in a high mountain area near the town of Jesenice. They are classified as L6 ordinary chondrites. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2011
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