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The Hamburg meteori...
The Hamburg meteorite fall : Fireball trajectory, orbit, and dynamics
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- Brown, P.G. (författare)
- Department of Physics and Astronomy, University of Western Ontario, London, Ontario, Canada. Centre for Planetary Science and Exploration, University of Western Ontario, London, Ontario,Canada
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- Vida, D. (författare)
- Department of Earth Sciences, University of Western Ontario, London, Ontario, Canada
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- Moser, D.E (författare)
- Jacobs Space Exploration Group, EV44/Meteoroid Environment Office, NASA Marshall Space Flight Center, Huntsville, Alabama, USA
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- Granvik, Mikael (författare)
- Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki, Helsinki, Finland
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- Koshak, W.J (författare)
- NASA Marshall Space Flight Center, ST11 Robert Cramer Research Hall, Huntsville, Alabama, USA
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- Chu, D. (författare)
- Chesapeake Aerospace LLC, Grasonville, Maryland,USA
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- Steckloff, J. (författare)
- Planetary Science Institute, Tucson, Arizona, USA. Department of Aerospace Engineering and Engineering Mechanics, University of Texas at Austin, Austin, Texas, USA
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- Licata, A. (författare)
- Farmington Community Stargazers, Farmington Hills, Michigan, USA
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- Hariri, S. (författare)
- Department of Physics and Astronomy, Eastern Michigan University, Ypsilanti, Michigan, USA
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- Mason, J. (författare)
- Orchard Ridge Campus, Oakland Community College, Farmington Hills, Michigan,USA
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- Mazur, M. (författare)
- Department of Earth Sciences, University of Western Ontario, London, Ontario, Canada
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- Cooke, W. (författare)
- NASA Meteoroid Environment Office, Marshall Space Flight Center, Huntsville, Alabama, USA
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- Krzeminski, Z. (författare)
- Department of Physics and Astronomy, University of Western Ontario, London, Ontario, Canada
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Department of Physics and Astronomy, University of Western Ontario, London, Ontario, Canada Centre for Planetary Science and Exploration, University of Western Ontario, London, Ontario,Canada Department of Earth Sciences, University of Western Ontario, London, Ontario, Canada (creator_code:org_t)
- 2019-08-11
- 2019
- Engelska.
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Ingår i: Meteoritics and Planetary Science. - : John Wiley & Sons. - 1086-9379 .- 1945-5100. ; 54:9, s. 2027-2045
- Relaterad länk:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The Hamburg (H4) meteorite fell on 17 January 2018 at 01:08 UT approximately 10 km north of Ann Arbor, Michigan. More than two dozen fragments totaling under 1 kg were recovered, primarily from frozen lake surfaces. The fireball initial velocity was 15.83 ± 0.05 km s−1, based on four independent records showing the fireball above 50 km altitude. The radiant had a zenith angle of 66.14 ± 0.29° and an azimuth of 121.56 ± 1.2°. The resulting low inclination (<1°) Apollo‐type orbit has a large aphelion distance and Tisserand value relative to Jupiter (Tj) of ~3. Two major flares dominate the energy deposition profile, centered at 24.1 and 21.7 km altitude, respectively, under dynamic pressures of 5–7 MPa. The Geostationary Lightning Mapper on the Geostationary Operational Environmental Satellite‐16 also detected the two main flares and their relative timing and peak flux agree with the video‐derived brightness profile. Our preferred total energy for the Hamburg fireball is 2–7 T TNT (8.4–28 × 109 J), which corresponds to a likely initial mass in the range of 60–225 kg or diameter between 0.3 and 0.5 m. Based on the model of Granvik et al. (2018), the meteorite originated in an escape route from the mid to outer asteroid belt. Hamburg is the 14th known H chondrite with an instrumentally derived preatmospheric orbit, half of which have small (<5°) inclinations making connection with (6) Hebe problematic. A definitive parent body consistent with all 14 known H chondrite orbits remains elusive.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Onboard space systems
- Rymdtekniska system
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- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Brown, P.G.
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Vida, D.
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Moser, D.E
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Granvik, Mikael
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Koshak, W.J
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Chu, D.
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Steckloff, J.
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Licata, A.
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Hariri, S.
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Mason, J.
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Mazur, M.
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Cooke, W.
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Krzeminski, Z.
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