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Orsini S, Milillo A, Lichtenegger H, Varsani A, Barabash S, Livi S, De Angelis E, Alberti T, Laky G, Nilsson H, Phillips M, Aronica A, Kallio E, Wurz P, Olivieri A, Plainaki C, Slavin JA, Dandouras I, Raines JM, Benkhoff J, Zender J, Berthelier JJ, Dosa M, Ho GC, Killen RM, McKenna-Lawlor S, Torkar K, Vaisberg O, Allegrini F, Daglis IA, Dong C, Escoubet CP, Fatemi S, Fränz M, Ivanovski S, Krupp N, Lammer H, Leblanc F, Mangano V, Mura A, Rispoli R, Sarantos M, Smith HT, Wieser M, Camozzi F, Di Lellis AM, Fremuth G, Giner F, Gurnee R, Hayes J, Jeszenszky H, Trantham B, Balaz J, Baumjohann W, Cantatore M, Delcourt D, Delva M, Desai M, Fischer H, Galli A, Grande M, Holmström M, Horvath I, Hsieh KC, Jarvinen R, Johnson RE, Kazakov A, Kecskemety K, Krüger H, Kürbisch C, Leblanc F, Leichtfried M, Mangraviti E, Massetti S, Moissenko D, Moroni M, Noschese R, Nuccilli F, Paschalidis N, Ryno J, Seki K, Shestakov A, Shuvalov S, Sordini R, Stenbeck F, Svensson J, Szalai S, Szego K, Toublanc D, Vertolli N, Wallner R, Vorburger A. Inner southern magnetosphere observation of Mercury via SERENA ion sensors in BepiColombo mission. Nat Commun 2022; 13:7390. [PMID: 36450728 PMCID: PMC9712576 DOI: 10.1038/s41467-022-34988-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 11/14/2022] [Indexed: 12/03/2022] Open
Abstract
Mercury's southern inner magnetosphere is an unexplored region as it was not observed by earlier space missions. In October 2021, BepiColombo mission has passed through this region during its first Mercury flyby. Here, we describe the observations of SERENA ion sensors nearby and inside Mercury's magnetosphere. An intermittent high-energy signal, possibly due to an interplanetary magnetic flux rope, has been observed downstream Mercury, together with low energy solar wind. Low energy ions, possibly due to satellite outgassing, were detected outside the magnetosphere. The dayside magnetopause and bow-shock crossing were much closer to the planet than expected, signature of a highly eroded magnetosphere. Different ion populations have been observed inside the magnetosphere, like low latitude boundary layer at magnetopause inbound and partial ring current at dawn close to the planet. These observations are important for understanding the weak magnetosphere behavior so close to the Sun, revealing details never reached before.
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Affiliation(s)
- S Orsini
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy.
| | - A Milillo
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - H Lichtenegger
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - A Varsani
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - S Barabash
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - S Livi
- Southwest Research Institute, San Antonio, TX, USA
- University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, USA
| | - E De Angelis
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - T Alberti
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - G Laky
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - H Nilsson
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - M Phillips
- Southwest Research Institute, San Antonio, TX, USA
| | - A Aronica
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - E Kallio
- Aalto University, Department of Electronics and Nanoengineering, School of Electrical Engineering, Helsinki, Finland
| | - P Wurz
- University of Bern, Institute of Physics, Bern, Switzerland
| | | | | | - J A Slavin
- University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, USA
| | - I Dandouras
- Institut de Recherche en Astrophysique et Planétologie, CNRS, CNES, Université de Toulouse, Toulouse, France
| | - J M Raines
- University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, USA
| | | | - J Zender
- ESA-ESTEC, Noordwijk, The Netherlands
| | | | - M Dosa
- Wigner Research Centre for Physics, Budapest, Hungary
| | - G C Ho
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, 20723, USA
| | - R M Killen
- NASA/Goddard Space Flight Center, Greenbelt, MD, 20771, USA
| | | | - K Torkar
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - O Vaisberg
- IKI Space Research Institute, Moscow, Russia
| | - F Allegrini
- Southwest Research Institute, San Antonio, TX, USA
- University of Texas at San Antonio, Department of Physics and Astronomy, San Antonio, TX, USA
| | - I A Daglis
- National and Kapodistrian University of Athens, Department of Physics, Athens, Greece
- Hellenic Space Center, Athens, Greece
| | - C Dong
- Princeton Plasma Physics Laboratory and Department of Astrophysical Sciences, Princeton University, Princeton, NJ, USA
| | | | - S Fatemi
- Department of Physics, Umeå University, Umeå, Sweden
| | - M Fränz
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077, Göttingen, Germany
| | - S Ivanovski
- Astronomincal Observatory, INAF, Trieste, Italy
| | - N Krupp
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077, Göttingen, Germany
| | - H Lammer
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - V Mangano
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - A Mura
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - R Rispoli
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - M Sarantos
- NASA/Goddard Space Flight Center, Greenbelt, MD, 20771, USA
| | - H T Smith
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, 20723, USA
| | - M Wieser
- Swedish Institute of Space Physics, Kiruna, Sweden
| | | | | | - G Fremuth
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - F Giner
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - R Gurnee
- Laboratory for Atmospheric and Space Physics, Boulder, CO, USA
| | - J Hayes
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, 20723, USA
| | - H Jeszenszky
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - B Trantham
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - J Balaz
- Institute of Experimental Physics SAS, Slovak Academy of Sciences, 040 01, Košice, Slovakia
| | - W Baumjohann
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | | | - M Delva
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - M Desai
- Southwest Research Institute, San Antonio, TX, USA
| | - H Fischer
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077, Göttingen, Germany
| | - A Galli
- University of Bern, Institute of Physics, Bern, Switzerland
| | - M Grande
- Aberystwyth University, Aberystwyth, Ceredigion, UK
| | - M Holmström
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - I Horvath
- Wigner Research Centre for Physics, Budapest, Hungary
| | - K C Hsieh
- University of Arizona, Tucson, AZ, USA
| | - R Jarvinen
- Aalto University, Department of Electronics and Nanoengineering, School of Electrical Engineering, Helsinki, Finland
- Finnish Meteorological Institute FMI, Helsinki, Finland
| | - R E Johnson
- University of Virginia, Charlottesville, VA, 22904, USA
| | - A Kazakov
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - K Kecskemety
- Wigner Research Centre for Physics, Budapest, Hungary
| | - H Krüger
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077, Göttingen, Germany
| | - C Kürbisch
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - M Leichtfried
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - S Massetti
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - D Moissenko
- IKI Space Research Institute, Moscow, Russia
| | - M Moroni
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - R Noschese
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - F Nuccilli
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - N Paschalidis
- NASA/Goddard Space Flight Center, Greenbelt, MD, 20771, USA
| | - J Ryno
- Finnish Meteorological Institute FMI, Helsinki, Finland
| | - K Seki
- University of Tokyo, Department of Earth and Planetary Science, Graduate School of Science, Tokyo, Japan
| | - A Shestakov
- IKI Space Research Institute, Moscow, Russia
| | - S Shuvalov
- IKI Space Research Institute, Moscow, Russia
| | - R Sordini
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - F Stenbeck
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - J Svensson
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - S Szalai
- Wigner Research Centre for Physics, Budapest, Hungary
| | - K Szego
- Wigner Research Centre for Physics, Budapest, Hungary
| | - D Toublanc
- Institut de Recherche en Astrophysique et Planétologie, CNRS, CNES, Université de Toulouse, Toulouse, France
| | - N Vertolli
- Institute of Space Astrophysics and Planetology, INAF, Roma, Italy
| | - R Wallner
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - A Vorburger
- University of Bern, Institute of Physics, Bern, Switzerland
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Orsini S, Livi SA, Lichtenegger H, Barabash S, Milillo A, De Angelis E, Phillips M, Laky G, Wieser M, Olivieri A, Plainaki C, Ho G, Killen RM, Slavin JA, Wurz P, Berthelier JJ, Dandouras I, Kallio E, McKenna-Lawlor S, Szalai S, Torkar K, Vaisberg O, Allegrini F, Daglis IA, Dong C, Escoubet CP, Fatemi S, Fränz M, Ivanovski S, Krupp N, Lammer H, Leblanc F, Mangano V, Mura A, Nilsson H, Raines JM, Rispoli R, Sarantos M, Smith HT, Szego K, Aronica A, Camozzi F, Di Lellis AM, Fremuth G, Giner F, Gurnee R, Hayes J, Jeszenszky H, Tominetti F, Trantham B, Balaz J, Baumjohann W, Brienza D, Bührke U, Bush MD, Cantatore M, Cibella S, Colasanti L, Cremonese G, Cremonesi L, D'Alessandro M, Delcourt D, Delva M, Desai M, Fama M, Ferris M, Fischer H, Gaggero A, Gamborino D, Garnier P, Gibson WC, Goldstein R, Grande M, Grishin V, Haggerty D, Holmström M, Horvath I, Hsieh KC, Jacques A, Johnson RE, Kazakov A, Kecskemety K, Krüger H, Kürbisch C, Lazzarotto F, Leblanc F, Leichtfried M, Leoni R, Loose A, Maschietti D, Massetti S, Mattioli F, Miller G, Moissenko D, Morbidini A, Noschese R, Nuccilli F, Nunez C, Paschalidis N, Persyn S, Piazza D, Oja M, Ryno J, Schmidt W, Scheer JA, Shestakov A, Shuvalov S, Seki K, Selci S, Smith K, Sordini R, Svensson J, Szalai L, Toublanc D, Urdiales C, Varsani A, Vertolli N, Wallner R, Wahlstroem P, Wilson P, Zampieri S. SERENA: Particle Instrument Suite for Determining the Sun-Mercury Interaction from BepiColombo. Space Sci Rev 2021; 217:11. [PMID: 33487762 PMCID: PMC7803725 DOI: 10.1007/s11214-020-00787-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 12/03/2020] [Indexed: 06/12/2023]
Abstract
The ESA-JAXA BepiColombo mission to Mercury will provide simultaneous measurements from two spacecraft, offering an unprecedented opportunity to investigate magnetospheric and exospheric particle dynamics at Mercury as well as their interactions with solar wind, solar radiation, and interplanetary dust. The particle instrument suite SERENA (Search for Exospheric Refilling and Emitted Natural Abundances) is flying in space on-board the BepiColombo Mercury Planetary Orbiter (MPO) and is the only instrument for ion and neutral particle detection aboard the MPO. It comprises four independent sensors: ELENA for neutral particle flow detection, Strofio for neutral gas detection, PICAM for planetary ions observations, and MIPA, mostly for solar wind ion measurements. SERENA is managed by a System Control Unit located inside the ELENA box. In the present paper the scientific goals of this suite are described, and then the four units are detailed, as well as their major features and calibration results. Finally, the SERENA operational activities are shown during the orbital path around Mercury, with also some reference to the activities planned during the long cruise phase.
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Affiliation(s)
- S Orsini
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - S A Livi
- Southwest Research Institute, San Antonio, TX USA
- Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI USA
| | - H Lichtenegger
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - S Barabash
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - A Milillo
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - E De Angelis
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - M Phillips
- Southwest Research Institute, San Antonio, TX USA
| | - G Laky
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - M Wieser
- Swedish Institute of Space Physics, Kiruna, Sweden
| | | | | | - G Ho
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723 USA
| | - R M Killen
- NASA/Goddard Space Flight Center, Greenbelt, MD 20771 USA
| | - J A Slavin
- Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI USA
| | - P Wurz
- Physics Institute, University of Bern, Bern, Switzerland
| | | | - I Dandouras
- Institut de Recherche en Astrophysique et Planétologie, CNRS, CNES, Université de Toulouse, Toulouse, France
| | - E Kallio
- School of Electrical Engineering, Department of Electronics and Nanoengineering, Aalto University, Helsinki, Finland
| | | | - S Szalai
- Wigner Research Centre for Physics, Budapest, Hungary
| | - K Torkar
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - O Vaisberg
- IKI Space Research Institute, Moscow, Russia
| | - F Allegrini
- Southwest Research Institute, San Antonio, TX USA
| | - I A Daglis
- Department of Physics, National and Kapodistrian University of Athens, Athens, Greece
- Hellenic Space Center, Athens, Greece
| | - C Dong
- Department of Astrophysical Sciences and Princeton Plasma Physics Laboratory, Princeton University, Princeton, NJ USA
| | | | - S Fatemi
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - M Fränz
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - S Ivanovski
- Astronomical Observatory, INAF, Trieste, Italy
| | - N Krupp
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - H Lammer
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - V Mangano
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - A Mura
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - H Nilsson
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - J M Raines
- Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI USA
| | - R Rispoli
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - M Sarantos
- NASA/Goddard Space Flight Center, Greenbelt, MD 20771 USA
| | - H T Smith
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723 USA
| | - K Szego
- Wigner Research Centre for Physics, Budapest, Hungary
| | - A Aronica
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | | | | | - G Fremuth
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - F Giner
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - R Gurnee
- Laboratory for Atmospheric and Space Physics, Boulder, CO USA
| | - J Hayes
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723 USA
| | - H Jeszenszky
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - B Trantham
- Southwest Research Institute, San Antonio, TX USA
| | - J Balaz
- Institute of Experimental Physics SAS, Slovak Academy of Sciences, 040 01 Košice, Slovakia
| | - W Baumjohann
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - D Brienza
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - U Bührke
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - M D Bush
- Physics Institute, University of Bern, Bern, Switzerland
| | | | - S Cibella
- Istituto di Struttura della Materia (CNR-ISM), 00133 Roma, Italy
| | - L Colasanti
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - G Cremonese
- Astronomical Observatory, INAF, Padova, Italy
| | | | - M D'Alessandro
- Istituto di Struttura della Materia (CNR-ISM), 00133 Roma, Italy
| | | | - M Delva
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - M Desai
- Southwest Research Institute, San Antonio, TX USA
| | - M Fama
- Comisión Nacional de Energía Atómica, cnea, Centro Atómico Bariloche, Bariloche, Argentina
| | - M Ferris
- Southwest Research Institute, San Antonio, TX USA
| | - H Fischer
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - A Gaggero
- Istituto di Struttura della Materia (CNR-ISM), 00133 Roma, Italy
| | - D Gamborino
- Physics Institute, University of Bern, Bern, Switzerland
| | - P Garnier
- Institut de Recherche en Astrophysique et Planétologie, CNRS, CNES, Université de Toulouse, Toulouse, France
| | - W C Gibson
- Southwest Research Institute, San Antonio, TX USA
| | - R Goldstein
- Southwest Research Institute, San Antonio, TX USA
| | - M Grande
- Aberystwyth University, Aberystwyth, Ceredigion SY23 3FL UK
| | - V Grishin
- IKI Space Research Institute, Moscow, Russia
| | - D Haggerty
- The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723 USA
| | - M Holmström
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - I Horvath
- Wigner Research Centre for Physics, Budapest, Hungary
| | - K-C Hsieh
- University of Arizona, Tucson, AZ USA
| | - A Jacques
- NASA/Goddard Space Flight Center, Greenbelt, MD 20771 USA
| | - R E Johnson
- University of Virginia, Charlottesville, VA 22904 USA
| | - A Kazakov
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - K Kecskemety
- Wigner Research Centre for Physics, Budapest, Hungary
| | - H Krüger
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - C Kürbisch
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | | | - M Leichtfried
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | | | - A Loose
- Max-Planck-Institut für Sonnensystemforschung, MPS, 37077 Göttingen, Germany
| | - D Maschietti
- Istituto Fotonica e Nanotecnologie, CNR-IFN, Roma, Italy
| | - S Massetti
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | | | - G Miller
- Southwest Research Institute, San Antonio, TX USA
| | - D Moissenko
- IKI Space Research Institute, Moscow, Russia
| | - A Morbidini
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - R Noschese
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - F Nuccilli
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - C Nunez
- Southwest Research Institute, San Antonio, TX USA
| | - N Paschalidis
- NASA/Goddard Space Flight Center, Greenbelt, MD 20771 USA
| | - S Persyn
- Southwest Research Institute, San Antonio, TX USA
| | - D Piazza
- Physics Institute, University of Bern, Bern, Switzerland
| | - M Oja
- Swedish Institute of Space Physics, Kiruna, Sweden
| | - J Ryno
- Finnish Meteorological Institute FMI, Helsinki, Finland
| | - W Schmidt
- Finnish Meteorological Institute FMI, Helsinki, Finland
| | | | - A Shestakov
- IKI Space Research Institute, Moscow, Russia
| | - S Shuvalov
- IKI Space Research Institute, Moscow, Russia
| | - K Seki
- Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - S Selci
- Istituto di Struttura della Materia (CNR-ISM), 00133 Roma, Italy
| | - K Smith
- Southwest Research Institute, San Antonio, TX USA
| | - R Sordini
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | | | - L Szalai
- Wigner Research Centre for Physics, Budapest, Hungary
| | - D Toublanc
- Institut de Recherche en Astrophysique et Planétologie, CNRS, CNES, Université de Toulouse, Toulouse, France
| | - C Urdiales
- Southwest Research Institute, San Antonio, TX USA
| | - A Varsani
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - N Vertolli
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - R Wallner
- Space Research Institute, Austrian Academy of Sciences, Graz, Austria
| | - P Wahlstroem
- Physics Institute, University of Bern, Bern, Switzerland
| | - P Wilson
- Southwest Research Institute, San Antonio, TX USA
| | - S Zampieri
- Institute of Space Astrophysics and Planetology, INAF, via del Fosso del Cavaliere 100, 00133 Rome, Italy
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Akhavan‐Tafti M, Palmroth M, Slavin JA, Battarbee M, Ganse U, Grandin M, Le G, Gershman DJ, Eastwood JP, Stawarz JE. Comparative Analysis of the Vlasiator Simulations and MMS Observations of Multiple X-Line Reconnection and Flux Transfer Events. J Geophys Res Space Phys 2020; 125:e2019JA027410. [PMID: 32999805 PMCID: PMC7507759 DOI: 10.1029/2019ja027410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 03/15/2020] [Accepted: 04/13/2020] [Indexed: 06/11/2023]
Abstract
The Vlasiator hybrid-Vlasov code was developed to investigate global magnetospheric dynamics at ion-kinetic scales. Here we focus on the role of magnetic reconnection in the formation and evolution of magnetic islands at the low-latitude magnetopause, under southward interplanetary magnetic field conditions. The simulation results indicate that (1) the magnetic reconnection ion kinetics, including the Earthward pointing Larmor electric field on the magnetospheric side of an X-point and anisotropic ion distributions, are well-captured by Vlasiator, thus enabling the study of reconnection-driven magnetic island evolution processes, (2) magnetic islands evolve due to continuous reconnection at adjacent X-points, "coalescence" which refers to the merging of neighboring islands to create a larger island, "erosion" during which an island loses magnetic flux due to reconnection, and "division" which involves the splitting of an island into smaller islands, and (3) continuous reconnection at adjacent X-points is the dominant source of magnetic flux and plasma to the outer layers of magnetic islands resulting in cross-sectional growth rates up to + 0.3 RE 2/min. The simulation results are compared to the Magnetospheric Multiscale (MMS) measurements of a chain of ion-scale flux transfer events (FTEs) sandwiched between two dominant X-lines. The MMS measurements similarly reveal (1) anisotropic ion populations and (2) normalized reconnection rate ~0.18, in agreement with theory and the Vlasiator predictions. Based on the simulation results and the MMS measurements, it is estimated that the observed ion-scale FTEs may grow Earth-sized within ~10 min, which is comparable to the average transport time for FTEs formed in the subsolar region to the high-latitude magnetopause. Future simulations shall revisit reconnection-driven island evolution processes with improved spatial resolutions.
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Affiliation(s)
- M. Akhavan‐Tafti
- Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMIUSA
- Laboratoire de Physique des Plasmas (LPP), École Polytechnique, CNRSSorbonne Université, Institut Polytechnique de ParisPalaiseauFrance
| | - M. Palmroth
- Department of PhysicsUniversity of HelsinkiHelsinkiFinland
| | - J. A. Slavin
- Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMIUSA
| | - M. Battarbee
- Department of PhysicsUniversity of HelsinkiHelsinkiFinland
| | - U. Ganse
- Department of PhysicsUniversity of HelsinkiHelsinkiFinland
| | - M. Grandin
- Department of PhysicsUniversity of HelsinkiHelsinkiFinland
| | - G. Le
- NASA Goddard Space Flight CenterGreenbeltMDUSA
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Smith AW, Jackman CM, Frohmaier CM, Coxon JC, Slavin JA, Fear RC. Evaluating Single-Spacecraft Observations of Planetary Magnetotails With Simple Monte Carlo Simulations: 1. Spatial Distributions of the Neutral Line. J Geophys Res Space Phys 2018; 123:10109-10123. [PMID: 31008003 PMCID: PMC6472645 DOI: 10.1029/2018ja025958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 11/26/2018] [Accepted: 12/01/2018] [Indexed: 06/09/2023]
Abstract
A simple Monte Carlo model is presented that considers the effects of spacecraft orbital sampling on the inferred distribution of magnetic flux ropes, generated through magnetic reconnection in the magnetotail current sheet. When generalized, the model allows the determination of the number of orbits required to constrain the underlying population of structures: It is able to quantify this as a function of the physical parameters of the structures (e.g., azimuthal extent and probability of generation). The model is shown adapted to the Hermean magnetotail, where the outputs are compared to the results of a recent survey. This comparison suggests that the center of Mercury's neutral line is located dawnward of midnight by 0 . 3 7 - 1 . 02 + 1 . 21 R M and that the flux ropes are most likely to be wide azimuthally (∼50% of the width of the Hermean tail). The downtail location of the neutral line is not self-consistent or in agreement with previous (independent) studies unless dissipation terms are included planetward of the reconnection site; potential physical explanations are discussed. In the future the model could be adapted to other environments, for example, the dayside magnetopause or other planetary magnetotails.
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Affiliation(s)
- A. W. Smith
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - C. M. Jackman
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - C. M. Frohmaier
- Institute of Cosmology and GravitationUniversity of PortsmouthPortsmouthUK
| | - J. C. Coxon
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - J. A. Slavin
- Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMIUSA
| | - R. C. Fear
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
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5
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Smith AW, Jackman CM, Frohmaier CM, Fear RC, Slavin JA, Coxon JC. Evaluating Single Spacecraft Observations of Planetary Magnetotails With Simple Monte Carlo Simulations: 2. Magnetic Flux Rope Signature Selection Effects. J Geophys Res Space Phys 2018; 123:10124-10138. [PMID: 31008004 PMCID: PMC6472627 DOI: 10.1029/2018ja025959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/25/2018] [Accepted: 11/20/2018] [Indexed: 06/09/2023]
Abstract
A Monte Carlo method of investigating the effects of placing selection criteria on the magnetic signature of in situ encounters with flux ropes is presented. The technique is applied to two recent flux rope surveys of MESSENGER data within the Hermean magnetotail. It is found that the different criteria placed upon the signatures will preferentially identify slightly different subsets of the underlying population. Quantifying the selection biases first allows the distributions of flux rope parameters to be corrected, allowing a more accurate estimation of the intrinsic distributions. This is shown with regard to the distribution of flux rope radii observed. When accounting for the selection criteria, the mean radius of Hermean magnetotail quasi-force-free flux ropes is found to be 58 9 - 269 + 273 km. Second, it is possible to weight the known identifications in order to determine a rate of recurrence that accounts for the presence of the structures that will not be identified. In the case of the Hermean magnetotail, the average rate of quasi-force-free flux ropes is found to 0.12 min-1 when selection effects are accounted for (up from 0.05 min-1 previously inferred from observations).
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Affiliation(s)
- A. W. Smith
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - C. M. Jackman
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - C. M. Frohmaier
- Institute of Cosmology and GravitationUniversity of PortsmouthPortsmouthUK
| | - R. C. Fear
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
| | - J. A. Slavin
- Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMIUSA
| | - J. C. Coxon
- Department of Physics and AstronomyUniversity of SouthamptonSouthamptonUK
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6
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Russell CT, Strangeway RJ, Zhao C, Anderson BJ, Baumjohann W, Bromund KR, Fischer D, Kepko L, Le G, Magnes W, Nakamura R, Plaschke F, Slavin JA, Torbert RB, Moore TE, Paterson WR, Pollock CJ, Burch JL. Structure, force balance, and topology of Earth's magnetopause. Science 2017; 356:960-963. [PMID: 28572393 DOI: 10.1126/science.aag3112] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 01/25/2017] [Accepted: 05/12/2017] [Indexed: 11/02/2022]
Abstract
The magnetopause deflects the solar wind plasma and confines Earth's magnetic field. We combine measurements made by the four spacecraft of the Magnetospheric Multiscale mission to demonstrate how the plasma and magnetic forces at the boundary affect the interaction between the shocked solar wind and Earth's magnetosphere. We compare these forces with the plasma pressure and examine the electron distribution function. We find that the magnetopause has sublayers with thickness comparable to the ion scale. Small pockets of low magnetic field strength, small radius of curvature, and high electric current mark the electron diffusion region. The flow of electrons, parallel and antiparallel to the magnetic field, reveals a complex topology with the creation of magnetic ropes at the boundary.
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Affiliation(s)
- C T Russell
- Earth Planetary and Space Sciences, University of California, Los Angeles, CA 90095, USA.
| | - R J Strangeway
- Earth Planetary and Space Sciences, University of California, Los Angeles, CA 90095, USA
| | - C Zhao
- Earth Planetary and Space Sciences, University of California, Los Angeles, CA 90095, USA
| | - B J Anderson
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723-6099, USA
| | - W Baumjohann
- Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8010 Graz, Austria
| | - K R Bromund
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - D Fischer
- Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8010 Graz, Austria
| | - L Kepko
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.,University of New Hampshire, Durham, NH 03824, USA
| | - G Le
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - W Magnes
- Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8010 Graz, Austria
| | - R Nakamura
- Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8010 Graz, Austria
| | - F Plaschke
- Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8010 Graz, Austria
| | - J A Slavin
- Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI 48109-2143, USA
| | - R B Torbert
- University of New Hampshire, Durham, NH 03824, USA
| | - T E Moore
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - W R Paterson
- Earth Planetary and Space Sciences, University of California, Los Angeles, CA 90095, USA
| | - C J Pollock
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - J L Burch
- Southwest Research Institute, San Antonio, TX 78228-0510, USA
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7
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Le G, Chi PJ, Strangeway RJ, Russell CT, Slavin JA, Takahashi K, Singer HJ, Anderson BJ, Bromund K, Fischer D, Kepko EL, Magnes W, Nakamura R, Plaschke F, Torbert RB. Global observations of magnetospheric high- m poloidal waves during the 22 June 2015 magnetic storm. Geophys Res Lett 2017; 44:3456-3464. [PMID: 28713180 PMCID: PMC5488625 DOI: 10.1002/2017gl073048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 04/06/2017] [Accepted: 04/06/2017] [Indexed: 06/07/2023]
Abstract
We report global observations of high-m poloidal waves during the recovery phase of the 22 June 2015 magnetic storm from a constellation of widely spaced satellites of five missions including Magnetospheric Multiscale (MMS), Van Allen Probes, Time History of Events and Macroscale Interactions during Substorm (THEMIS), Cluster, and Geostationary Operational Environmental Satellites (GOES). The combined observations demonstrate the global spatial extent of storm time poloidal waves. MMS observations confirm high azimuthal wave numbers (m ~ 100). Mode identification indicates the waves are associated with the second harmonic of field line resonances. The wave frequencies exhibit a decreasing trend as L increases, distinguishing them from the single-frequency global poloidal modes normally observed during quiet times. Detailed examination of the instantaneous frequency reveals discrete spatial structures with step-like frequency changes along L. Each discrete L shell has a steady wave frequency and spans about 1 RE , suggesting that there exist a discrete number of drift-bounce resonance regions across L shells during storm times.
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Affiliation(s)
- G. Le
- Heliophysics Science DivisionNASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - P. J. Chi
- Department of Earth, Planetary, and Space Sciences and Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - R. J. Strangeway
- Department of Earth, Planetary, and Space Sciences and Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - C. T. Russell
- Department of Earth, Planetary, and Space Sciences and Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - J. A. Slavin
- Department of Climate and Space Sciences & EngineeringUniversity of MichiganAnn ArborMichiganUSA
| | - K. Takahashi
- The Johns Hopkins University Applied Physics LaboratoryLaurelMarylandUSA
| | - H. J. Singer
- NOAA Space Weather Prediction CenterBoulderColoradoUSA
| | - B. J. Anderson
- The Johns Hopkins University Applied Physics LaboratoryLaurelMarylandUSA
| | - K. Bromund
- Heliophysics Science DivisionNASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - D. Fischer
- Space Research Institute, Austrian Academy of SciencesGrazAustria
| | - E. L. Kepko
- Heliophysics Science DivisionNASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - W. Magnes
- Space Research Institute, Austrian Academy of SciencesGrazAustria
| | - R. Nakamura
- Space Research Institute, Austrian Academy of SciencesGrazAustria
| | - F. Plaschke
- Space Research Institute, Austrian Academy of SciencesGrazAustria
| | - R. B. Torbert
- Physics DepartmentUniversity of New HampshireDurhamNew HampshireUSA
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8
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Schmid D, Nakamura R, Volwerk M, Plaschke F, Narita Y, Baumjohann W, Magnes W, Fischer D, Eichelberger HU, Torbert RB, Russell CT, Strangeway RJ, Leinweber HK, Le G, Bromund KR, Anderson BJ, Slavin JA, Kepko EL. A comparative study of dipolarization fronts at MMS and Cluster. Geophys Res Lett 2016; 43:6012-6019. [PMID: 27478286 PMCID: PMC4949994 DOI: 10.1002/2016gl069520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 05/26/2016] [Indexed: 06/02/2023]
Abstract
We present a statistical study of dipolarization fronts (DFs), using magnetic field data from MMS and Cluster, at radial distances below 12 RE and 20 RE , respectively. Assuming that the DFs have a semicircular cross section and are propelled by the magnetic tension force, we used multispacecraft observations to determine the DF velocities. About three quarters of the DFs propagate earthward and about one quarter tailward. Generally, MMS is in a more dipolar magnetic field region and observes larger-amplitude DFs than Cluster. The major findings obtained in this study are as follows: (1) At MMS ∼57 % of the DFs move faster than 150 km/s, while at Cluster only ∼35 %, indicating a variable flux transport rate inside the flow-braking region. (2) Larger DF velocities correspond to higher Bz values directly ahead of the DFs. We interpret this as a snow plow-like phenomenon, resulting from a higher magnetic flux pileup ahead of DFs with higher velocities.
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Affiliation(s)
- D. Schmid
- Space Research InstituteAustrian Academy of SciencesGrazAustria
- NAWI GrazUniversity of GrazGrazAustria
| | - R. Nakamura
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - M. Volwerk
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - F. Plaschke
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - Y. Narita
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - W. Baumjohann
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - W. Magnes
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - D. Fischer
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | | | - R. B. Torbert
- Institute for the Study of Earth, Oceans, and SpaceUniversity of New HampshireDurhamNew HampshireUSA
- Southwest Research InstituteSan AntonioTexasUSA
| | - C. T. Russell
- Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - R. J. Strangeway
- Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - H. K. Leinweber
- Institute of Geophysics and Planetary PhysicsUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - G. Le
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - K. R. Bromund
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - B. J. Anderson
- The Johns Hopkins Applied Physics LaboratoryLaurelMarylandUSA
| | - J. A. Slavin
- Department of Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMichiganUSA
| | - E. L. Kepko
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
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9
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Eastwood JP, Phan TD, Cassak PA, Gershman DJ, Haggerty C, Malakit K, Shay MA, Mistry R, Øieroset M, Russell CT, Slavin JA, Argall MR, Avanov LA, Burch JL, Chen LJ, Dorelli JC, Ergun RE, Giles BL, Khotyaintsev Y, Lavraud B, Lindqvist PA, Moore TE, Nakamura R, Paterson W, Pollock C, Strangeway RJ, Torbert RB, Wang S. Ion-scale secondary flux ropes generated by magnetopause reconnection as resolved by MMS. Geophys Res Lett 2016; 43:4716-4724. [PMID: 27635105 PMCID: PMC5001194 DOI: 10.1002/2016gl068747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 04/28/2016] [Accepted: 04/29/2016] [Indexed: 06/06/2023]
Abstract
New Magnetospheric Multiscale (MMS) observations of small-scale (~7 ion inertial length radius) flux transfer events (FTEs) at the dayside magnetopause are reported. The 10 km MMS tetrahedron size enables their structure and properties to be calculated using a variety of multispacecraft techniques, allowing them to be identified as flux ropes, whose flux content is small (~22 kWb). The current density, calculated using plasma and magnetic field measurements independently, is found to be filamentary. Intercomparison of the plasma moments with electric and magnetic field measurements reveals structured non-frozen-in ion behavior. The data are further compared with a particle-in-cell simulation. It is concluded that these small-scale flux ropes, which are not seen to be growing, represent a distinct class of FTE which is generated on the magnetopause by secondary reconnection.
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Affiliation(s)
| | - T. D. Phan
- Space Sciences LaboratoryUniversity of CaliforniaBerkeleyCaliforniaUSA
| | - P. A. Cassak
- Department of Physics and AstronomyWest Virginia UniversityMorgantownWest VirginiaUSA
| | - D. J. Gershman
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
- Department of AstronomyUniversity of MarylandCollege ParkMarylandUSA
| | - C. Haggerty
- Department of Physics and AstronomyUniversity of DelawareNewarkDelawareUSA
| | - K. Malakit
- Department of PhysicsMahidol UniversityBangkokThailand
| | - M. A. Shay
- Department of Physics and AstronomyUniversity of DelawareNewarkDelawareUSA
| | - R. Mistry
- Blackett LaboratoryImperial College LondonLondonUK
| | - M. Øieroset
- Space Sciences LaboratoryUniversity of CaliforniaBerkeleyCaliforniaUSA
| | - C. T. Russell
- Department of Earth, Planetary and Space SciencesUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - J. A. Slavin
- Department of Climate and Space Sciences and EngineeringUniversity of MichiganAnn ArborMichiganUSA
| | - M. R. Argall
- Institute for the Study of Earth, Oceans and SpaceUniversity of New HampshireDurhamNew HampshireUSA
| | - L. A. Avanov
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
- Department of AstronomyUniversity of MarylandCollege ParkMarylandUSA
| | - J. L. Burch
- Southwest Research InstituteSan AntonioTexasUSA
| | - L. J. Chen
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
- Department of AstronomyUniversity of MarylandCollege ParkMarylandUSA
| | - J. C. Dorelli
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - R. E. Ergun
- Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulderColoradoUSA
| | - B. L. Giles
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | | | - B. Lavraud
- Institut de Recherche en Astrophysique et PlanétologieUniversité de ToulouseToulouseFrance
- Centre National de la Recherche Scientifique, UMR 5277ToulouseFrance
| | - P. A. Lindqvist
- School of Electrical EngineeringRoyal Institute of TechnologyStockholmSweden
| | - T. E. Moore
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | - R. Nakamura
- Space Research InstituteAustrian Academy of SciencesGrazAustria
| | - W. Paterson
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
| | | | - R. J. Strangeway
- Department of Earth, Planetary and Space SciencesUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - R. B. Torbert
- Institute for the Study of Earth, Oceans and SpaceUniversity of New HampshireDurhamNew HampshireUSA
- Southwest Research InstituteSan AntonioTexasUSA
| | - S. Wang
- NASA Goddard Space Flight CenterGreenbeltMarylandUSA
- Department of AstronomyUniversity of MarylandCollege ParkMarylandUSA
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10
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Ludlow GR, Hughes WJ, Engebretson MJ, Slavin JA, Sugiura M, Singer HJ. Ion cyclotron waves near L
= 4.6: A ground-satellite correlation study. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/90ja02005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Deng W, Killeen TL, Burns AG, Roble RG, Slavin JA, Wharton LE. The effects of neutral inertia on ionospheric currents in the high-latitude thermosphere following a geomagnetic storm. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/92ja02268] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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12
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Taguchi S, Sugiura M, Winningham JD, Slavin JA. Characterization of the IMFBy-dependent field-aligned currents in the cleft region based on DE 2 observations. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/92ja01014] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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13
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Jackman CM, Slavin JA, Cowley SWH. Cassini observations of plasmoid structure and dynamics: Implications for the role of magnetic reconnection in magnetospheric circulation at Saturn. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2011ja016682] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- C. M. Jackman
- Department of Physics and Astronomy; University College London; London UK
| | - J. A. Slavin
- NASA Goddard Space Flight Center; Greenbelt Maryland USA
| | - S. W. H. Cowley
- Department of Physics and Astronomy; University of Leicester; Leicester UK
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14
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Jackman CM, Arridge CS, Slavin JA, Milan SE, Lamy L, Dougherty MK, Coates AJ. In situ observations of the effect of a solar wind compression on Saturn's magnetotail. ACTA ACUST UNITED AC 2010. [DOI: 10.1029/2010ja015312] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- C. M. Jackman
- Blackett Laboratory; Imperial College London; London UK
| | - C. S. Arridge
- Mullard Space Science Laboratory, Department of Space and Climate Physics; University College London; Dorking UK
- The Centre for Planetary Sciences at UCL/Birkbeck; London UK
| | - J. A. Slavin
- Heliophysics Science Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
| | - S. E. Milan
- Radio and Space Plasma Physics Group; University of Leicester; Leicester UK
| | - L. Lamy
- Blackett Laboratory; Imperial College London; London UK
| | | | - A. J. Coates
- Mullard Space Science Laboratory, Department of Space and Climate Physics; University College London; Dorking UK
- The Centre for Planetary Sciences at UCL/Birkbeck; London UK
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15
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Affiliation(s)
- I. I. Alexeev
- Institute of Nuclear Physics; Lomonosov Moscow State University, Leninskie Gory; Moscow Russia
| | - E. S. Belenkaya
- Institute of Nuclear Physics; Lomonosov Moscow State University, Leninskie Gory; Moscow Russia
| | - S. Yu. Bobrovnikov
- Institute of Nuclear Physics; Lomonosov Moscow State University, Leninskie Gory; Moscow Russia
| | - J. A. Slavin
- Heliophysics Science Division; NASA GSFC; Greenbelt Maryland USA
| | - M. Sarantos
- Heliophysics Science Division; NASA GSFC; Greenbelt Maryland USA
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16
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Masters A, Achilleos N, Dougherty MK, Slavin JA, Hospodarsky GB, Arridge CS, Coates AJ. An empirical model of Saturn's bow shock: Cassini observations of shock location and shape. ACTA ACUST UNITED AC 2008. [DOI: 10.1029/2008ja013276] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A. Masters
- Space and Atmospheric Physics Group, The Blackett Laboratory; Imperial College London; London UK
| | - N. Achilleos
- Atmospheric Physics Laboratory, Department of Physics and Astronomy; University College London; London UK
| | - M. K. Dougherty
- Space and Atmospheric Physics Group, The Blackett Laboratory; Imperial College London; London UK
| | - J. A. Slavin
- Heliophysics Science Division; NASA GSFC; Greenbelt Maryland USA
| | - G. B. Hospodarsky
- Department of Physics and Astronomy; University of Iowa; Iowa City Iowa USA
| | - C. S. Arridge
- Mullard Space Science Laboratory, Department of Space and Climate Physics; University College London; Dorking UK
- Centre for Planetary Sciences; University College London; London UK
| | - A. J. Coates
- Mullard Space Science Laboratory, Department of Space and Climate Physics; University College London; Dorking UK
- Centre for Planetary Sciences; University College London; London UK
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17
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Ieda A, Fairfield DH, Slavin JA, Liou K, Meng CI, Machida S, Miyashita Y, Mukai T, Saito Y, Nosé M, Shue JH, Parks GK, Fillingim MO. Longitudinal association between magnetotail reconnection and auroral breakup based on Geotail and Polar observations. ACTA ACUST UNITED AC 2008. [DOI: 10.1029/2008ja013127] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A. Ieda
- Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya, Aichi Japan
| | - D. H. Fairfield
- Heliophysics Science Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
| | - J. A. Slavin
- Heliophysics Science Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
| | - K. Liou
- Applied Physics Laboratory; Johns Hopkins University; Laurel Maryland USA
| | - C.-I. Meng
- Applied Physics Laboratory; Johns Hopkins University; Laurel Maryland USA
| | - S. Machida
- Department of Geophysics; Kyoto University; Kyoto Japan
| | - Y. Miyashita
- Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; Sagamihara, Kanagawa Japan
| | - T. Mukai
- Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; Sagamihara, Kanagawa Japan
| | - Y. Saito
- Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; Sagamihara, Kanagawa Japan
| | - M. Nosé
- Data Analysis Center for Geomagnetism and Space Magnetism, Graduate School of Science; Kyoto University; Kyoto Japan
| | - J.-H. Shue
- Institute of Space Science; National Central University; Jhongli Taiwan
| | - G. K. Parks
- Space Sciences Laboratory; University of California; Berkeley California USA
| | - M. O. Fillingim
- Space Sciences Laboratory; University of California; Berkeley California USA
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18
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Taylor MGGT, Reeves GD, Friedel RHW, Thomsen MF, Elphic RC, Davies JA, Dunlop MW, Laakso H, Lavraud B, Baker DN, Slavin JA, Perry CH, Escoubet CP, Masson A, Opgenoorth HJ, Vallat C, Daly PW, Fazakerley AN, Lucek EA. Cluster encounter with an energetic electron beam during a substorm. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2006ja011666] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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19
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Pulkkinen TI, Ganushkina NY, Tanskanen EI, Kubyshkina M, Reeves GD, Thomsen MF, Russell CT, Singer HJ, Slavin JA, Gjerloev J. Magnetospheric current systems during stormtime sawtooth events. ACTA ACUST UNITED AC 2006. [DOI: 10.1029/2006ja011627] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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20
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Merka J, Szabo A, Slavin JA, Peredo M. Three-dimensional position and shape of the bow shock and their variation with upstream Mach numbers and interplanetary magnetic field orientation. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004ja010944] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- J. Merka
- L-3 Communications Government Services, Inc.; Vienna Virginia USA
| | - A. Szabo
- NASA Goddard Space Flight Center; Laboratory for Solar and Space Physics; Greenbelt Maryland USA
| | - J. A. Slavin
- NASA Goddard Space Flight Center; Laboratory for Solar and Space Physics; Greenbelt Maryland USA
| | - M. Peredo
- Science Systems and Applications, Inc.; Lanham Maryland USA
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Raeder J, McPherron RL, Frank LA, Kokubun S, Lu G, Mukai T, Paterson WR, Sigwarth JB, Singer HJ, Slavin JA. Global simulation of the Geospace Environment Modeling substorm challenge event. ACTA ACUST UNITED AC 2001. [DOI: 10.1029/2000ja000605] [Citation(s) in RCA: 195] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kauristie K, Sergeev VA, Kubyshkina M, Pulkkinen TI, Angelopoulos V, Phan T, Lin RP, Slavin JA. Ionospheric current signatures of transient plasma sheet flows. ACTA ACUST UNITED AC 2000. [DOI: 10.1029/1999ja900487] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Collier MR, Slavin JA, Lepping RP, Ogilvie K, Szabo A, Laakso H, Taguchi S. Multispacecraft observations of sudden impulses in the magnetotail caused by solar wind pressure discontinuities: Wind and IMP 8. ACTA ACUST UNITED AC 1998. [DOI: 10.1029/97ja02870] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Fairfield DH, Kuznetsova MM, Owen CJ, Lepping RP, Taguchi S, Mukai T, Saito Y, Yamamoto T, Kokubun S, Lui ATY, Reeves GD. ISTP observations of plasmoid ejection: IMP 8 and Geotail. ACTA ACUST UNITED AC 1998. [DOI: 10.1029/97ja02136] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Peredo M, Slavin JA, Mazur E, Curtis SA. Three-dimensional position and shape of the bow shock and their variation with Alfvénic, sonic and magnetosonic Mach numbers and interplanetary magnetic field orientation. ACTA ACUST UNITED AC 1995. [DOI: 10.1029/94ja02545] [Citation(s) in RCA: 177] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Owen CJ, Slavin JA, Richardson IG, Murphy N, Hynds RJ. Average motion, structure and orientation of the distant magnetotail determined from remote sensing of the edge of the plasma sheet boundary layer withE> 35 keV ions. ACTA ACUST UNITED AC 1995. [DOI: 10.1029/94ja02417] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Weimer DR, Craven JD, Frank LA, Hanson WB, Maynard NC, Hoffman RA, Slavin JA. Satellite measurements through the center of a substorm surge. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/94ja01976] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Burke WJ, Machuzak JS, Maynard NC, Basinska EM, Erickson GM, Hoffman RA, Slavin JA, Hanson WB. Auroral ionospheric signatures of the plasma sheet boundary layer in the evening sector. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/93ja02363] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kamide Y, Richmond AD, Emery BA, Hutchins CF, Ahn BH, de la Beaujardiere O, Foster JC, Heelis RA, Kroehl HW, Rich FJ, Slavin JA. Ground-based studies of ionospheric convection associated with substorm expansion. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/94ja01625] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Rosenbauer H, Verigin MI, Kotova GA, Livi S, Remizov AP, Riedler W, Schwingenschuh K, Shutte NM, Slavin JA, Szegő K, Tátrallyay M, Zhang TL. The relationship between the magnetic field in the Martian magnetotail and upstream solar wind parameters. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/94ja00946] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Smith MF, Mazur EL, Baker DN, Hones EW, Iyemori T, Greenstadt EW. ISEE 3 observations of traveling compression regions in the Earth's magnetotail. ACTA ACUST UNITED AC 1993. [DOI: 10.1029/93ja01467] [Citation(s) in RCA: 127] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Schwingenschuh K, Riedler W, Yeroshenko Y. The solar wind interaction with Mars: Mariner 4, Mars 2, Mars 3, Mars 5, and Phobos 2 observations of bow shock position and shape. ACTA ACUST UNITED AC 1991. [DOI: 10.1029/91ja00439] [Citation(s) in RCA: 81] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Slavin JA, Baker DN, Craven JD, Elphic RC, Fairfield DH, Frank LA, Galvin AB, Hughes WJ, Manka RH, Mitchell DG, Richardson IG, Sanderson TR, Sibeck DJ, Smith EJ, Zwickl RD. CDAW 8 observations of plasmoid signatures in the geomagnetic tail: An assessment. ACTA ACUST UNITED AC 1989. [DOI: 10.1029/ja094ia11p15153] [Citation(s) in RCA: 92] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Stahara SS, Rachiele RR, Spreiter JR, Slavin JA. A three dimensional gasdynamic model for solar wind flow past nonaxisymmetric magnetospheres: Application to Jupiter and Saturn. ACTA ACUST UNITED AC 1989. [DOI: 10.1029/ja094ia10p13353] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Intriligator DS, Smith EJ. Pioneer Venus Orbiter magnetic field and plasma observations in the Venus magnetotail. ACTA ACUST UNITED AC 1989. [DOI: 10.1029/ja094ia03p02383] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Richardson IG, Owen CJ, Cowley SWH, Galvin AB, Sanderson TR, Scholer M, Slavin JA, Zwickl RD. ISEE 3 observations during the CDAW 8 intervals: Case studies of the distant geomagnetic tail covering a wide range of geomagnetic activity. ACTA ACUST UNITED AC 1989. [DOI: 10.1029/ja094ia11p15189] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Winglee RM, Pritchett PL, Dusenbery PB, Persoon AM, Waite JH, Moore TE, Burch JL, Collin HL, Slavin JA, Sugiura M. Particle acceleration and wave emissions associated with the formation of auroral cavities and enhancements. ACTA ACUST UNITED AC 1988. [DOI: 10.1029/ja093ia12p14567] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Baker DN, Anderson RC, Zwickl RD, Slavin JA. Average plasma and magnetic field variations in the distant magnetotail associated with near-Earth substorm effects. ACTA ACUST UNITED AC 1987. [DOI: 10.1029/ja092ia01p00071] [Citation(s) in RCA: 107] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Smith EJ, Slavin JA, Thomas BT. The Heliospheric Current Sheet: 3-Dimensional Structure and Solar Cycle Changes. Astrophysics and Space Science Library 1986. [DOI: 10.1007/978-94-009-4612-5_32] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Sibeck DG, Siscoe GL, Slavin JA, Smith EJ, Tsurutani BT, Lepping RP. The distant magnetotail's response to a strong interplanetary magnetic field By: Twisting, flattening, and field line bending. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia05p04011] [Citation(s) in RCA: 110] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Smith EJ, Sibeck DG, Baker DN, Zwickl RD, Akasofu SI. An ISEE 3 study of average and substorm conditions in the distant magnetotail. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia11p10875] [Citation(s) in RCA: 255] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Smith EJ, Spreiter JR, Stahara SS. Solar wind flow about the outer planets: Gas dynamic modeling of the Jupiter and Saturn bow shocks. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia07p06275] [Citation(s) in RCA: 112] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Holzer RE, Slavin JA. Reply [to “Comment on ‘An evaluation of three predictors of geomagnetic activity’ by R. E. Holzer and J. A. Slavin”]. ACTA ACUST UNITED AC 1983. [DOI: 10.1029/ja088ia06p04955] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Holzer RE, Spreiter JR, Stahara SS, Chaussee DS. Solar wind flow about the terrestrial planets: 2. Comparison with gas dynamic theory and implications for solar-planetary interactions. ACTA ACUST UNITED AC 1983. [DOI: 10.1029/ja088ia01p00019] [Citation(s) in RCA: 85] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Slavin JA, Elphic RC, Russell CT, Scarf FL, Wolfe JH, Mihalov JD, Intriligator DS, Brace LH, Taylor HA, Daniell RE. The solar wind interaction with Venus: Pioneer Venus observations of bow shock location and structure. ACTA ACUST UNITED AC 1980. [DOI: 10.1029/ja085ia13p07625] [Citation(s) in RCA: 89] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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