Publications
276 results found
Kellogg PJ, Horbury TS, 2005, Rapid density fluctuations in the solar wind, ANNALES GEOPHYSICAE, Vol: 23, Pages: 3765-3773, ISSN: 0992-7689
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- Citations: 84
Scholer M, Thomsen MF, Burgess D, et al., 2005, Cluster at the Earth's bow shock: Status and outlook, Outer magnetospheric boundaries: cluster results. Space Science Series, Editors: Paschmann, Schwartz, Escoubet, Haaland, Paschmann, Schwartz, Escoubet, Haaland, Paschmann, Schwartz, Escoubet, Haaland, Paschmann, Schwartz, Escoubet, Haaland, Berlin, Publisher: Springer, ISBN: 9781402034886
Balogh A, Schwartz SJ, Bale SD, et al., 2005, Cluster at the Earth's bow shock: introduction, Outer magnetospheric boundaries: cluster results. Space Science Series, Editors: Paschmann, Schwartz, Escoubet, Haaland, Paschmann, Schwartz, Escoubet, Haaland, Paschmann, Schwartz, Escoubet, Haaland, Berlin, Publisher: Springer, ISBN: 9781402034886
Owen CJ, Fazakerley AN, Schwartz SJ, et al., 2005, Multi point, multi scale investigations of fundamental plasma processes in the Earth's magnetosphere, Noordwijk, 39th ESLAB Symposium, Publisher: ESLAB
Archer M, Horbury TS, Lucek EA, et al., 2005, Size and shape of ULF waves in the terrestrial foreshock, J. Geophys. Res., Vol: 110, Pages: A05208-A05208
Horbury TS, Lucek EA, Balogh A, et al., 2004, Motion and orientation of magnetic field dips and peaks in the terrestrial magnetosheath -: art. no. A09209, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380
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- Citations: 35
Lucek EA, Horbury TS, Balogh A, et al., 2004, Cluster observations of hot flow anomalies -: art. no. A06207, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380
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- Citations: 79
Knetter T, Neubauer FM, Horbury T, et al., 2004, Four-point discontinuity observations using Cluster magnetic field data: A statistical survey, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380
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- Citations: 149
Kucharek H, Möbius E, Scholer M, et al., 2004, On the origin of field-aligned beams at the quasi-perpendicular bow shock:: multi-spacecraft observations by Cluster, Meeting on Spatio-Temporal Analysis and Multipoint Measurements in Space, Publisher: COPERNICUS GESELLSCHAFT MBH, Pages: 2301-2308, ISSN: 0992-7689
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- Citations: 56
Lucek EA, Horbury TS, Balogh A, et al., 2004, Cluster observations of structures at quasi-parallel bow shocks, Meeting on Spatio-Temporal Analysis and Multipoint Measurements in Space, Publisher: EUROPEAN GEOSCIENCES UNION, Pages: 2309-2313, ISSN: 0992-7689
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- Citations: 35
Walker SN, Alleyne HSCK, Balikhin MA, et al., 2004, Electric field scales at quasi-perpendicular shocks, Meeting on Spatio-Temporal Analysis and Multipoint Measurements in Space, Publisher: COPERNICUS GESELLSCHAFT MBH, Pages: 2291-2300, ISSN: 0992-7689
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- Citations: 49
Nykyri K, Cargill PJ, Lucek E, et al., 2004, Cluster observations of magnetic field fluctuations in the high-altitude cusp, Meeting on Spatio-Temporal Analysis and Multipoint Measurements in Space, Publisher: COPERNICUS GESELLSCHAFT MBH, Pages: 2413-2429, ISSN: 0992-7689
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- Citations: 41
Bale SD, Mozer FS, Horbury TS, 2003, Density-transition scale at quasiperpendicular collisionless shocks, PHYSICAL REVIEW LETTERS, Vol: 91, ISSN: 0031-9007
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- Citations: 74
Nykyri K, Cargill PJ, Lucek EA, et al., 2003, Ion cyclotron waves in the high altitude cusp:: CLUSTER observations at varying spacecraft separations -: art. no. 2263, GEOPHYSICAL RESEARCH LETTERS, Vol: 30, ISSN: 0094-8276
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- Citations: 33
Vörös Z, Baumjohann W, Nakamura R, et al., 2003, Multi-scale magnetic field intermittence in the plasma sheet, ANNALES GEOPHYSICAE, Vol: 21, Pages: 1955-1964, ISSN: 0992-7689
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- Citations: 57
Maksimovic M, Bale SD, Horbury TS, et al., 2003, Bow shock motions observed with CLUSTER -: art. no. 1393, GEOPHYSICAL RESEARCH LETTERS, Vol: 30, ISSN: 0094-8276
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- Citations: 22
Bale SD, Mozer FS, Horbury TS, 2003, Density-transition scale at quasiperpendicular collisionless shocks, Physical Review Letters, Vol: 91, ISSN: 0031-9007
Measurements of a spacecraft floating potential, on the four Cluster spacecraft, are used as a proxy for electron plasma density to study, for the first time, the macroscopic density transition scale at 98 crossings of the quasiperpendicular terrestrial bow shock. A timing analysis gives shock speeds and normals; the shock speed is used to convert the temporal measurement to a spatial one. A hyperbolic tangent function is fitted to each density transition, which captures the main shock transition, but not overshoot or undershoot nor foot features. We find that, at a low Mach number [Formula presented], the density transition is consistent with both ion inertial scales [Formula presented] and convected gyroradii [Formula presented], while at [Formula presented] only the convected gyroradius is the preferred scale for the shock density transition and takes the value [Formula presented]. © 2003 The American Physical Society.
Vörös Z, Baumjohann W, Nakamura R, et al., 2003, Multi-scale magnetic field intermittence in the plasma sheet, Annales Geophysicae, Vol: 21, Pages: 1955-1964, ISSN: 0992-7689
This paper demonstrates that intermittent magnetic field fluctuations in the plasma sheet exhibit transitory, localized, and multi-scale features. We propose a multifractal-based algorithm, which quantifies intermittence on the basis of the statistical distribution of the "strength of burstiness", estimated within a sliding window. Interesting multi-scale phenomena observed by the Cluster spacecraft include large-scale motion of the current sheet and bursty bulk flow associated turbulence, interpreted as a cross-scale coupling (CSC) process.
Fränz M, Horbury TS, Génot V, et al., 2003, Solitary waves observed by cluster in the solar wind, 10th International Solar Wind Conference, Publisher: AMER INST PHYSICS, Pages: 562-565, ISSN: 0094-243X
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- Citations: 3
Knetter T, Neubauer FM, Horbury T, et al., 2003, Discontinuity observations with cluster, D1 1/D2 1/E3 1 Symposium of COSPAR Scientific Commission D held at the 34th COSPAR Scientific Assembly/2nd Space Congress, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 543-548, ISSN: 0273-1177
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- Citations: 42
Eastwood JP, Balogh A, Dunlop MW, et al., 2002, Cluster observations of fast magnetosonic waves in the terrestrial foreshock, GEOPHYSICAL RESEARCH LETTERS, Vol: 29, ISSN: 0094-8276
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- Citations: 43
Lucek EA, Horbury TS, Dunlop MW, et al., 2002, Cluster magnetic field observations at a quasi-parallel bow shock, ANNALES GEOPHYSICAE, Vol: 20, Pages: 1699-1710, ISSN: 0992-7689
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- Citations: 37
Horbury TS, Cargill PJ, Lucek EA, et al., 2002, Four spacecraft measurements of the quasiperpendicular terrestrial bow shock: Orientation and motion, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 107, ISSN: 2169-9380
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- Citations: 44
Horbury TS, Balogh A, Dunlop DW, et al., 2002, Cluster magnetic field observations of magnetospheric boundaries, Earth's low-latitude boundary layer, Editors: Newell, Onsager, Newell, Onsager, Newell, Onsager, Newell, Onsager, Newell, Onsager, Washington D.C., Publisher: American Geophysical Union, ISBN: 9780875909929
Horbury TS, Burgess D, Fränz M, et al., 2001, Prediction of Earth arrival times of interplanetary southward magnetic field turnings, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 106, Pages: 30001-30009, ISSN: 2169-9380
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- Citations: 16
Möbius E, Kucharek H, Mouikis C, et al., 2001, Observations of the spatial and temporal structure of field-aligned beam and gyrating ring distributions at the quasi-perpendicular bow shock with Cluster CIS, Annales Geophysicae, Vol: 19, Pages: 1411-1420, ISSN: 0992-7689
During the early orbit phase, the Cluster spacecraft have repeatedly crossed the perpendicular Earth's bow shock and provided the first multi-spacecraft measurements. We have analyzed data from the Cluster Ion Spectrometry experiment (CIS), which observes the 3D-ion distribution function of the major species in the energy range of 5 eV to 40 keV with a 4 s resolution. Beams of reflected ions were observed simultaneously at all spacecraft locations and could be tracked from upstream to the shock itself. They were found to originate from the same distribution of ions that constitutes the reflected gyrating ions, which form a ring distribution in the velocity space immediately upstream and downstream of the shock. This observation suggests a common origin of ring and beam populations at quasi-perpendicular shocks in the form of specular reflection and immediate pitch angle scattering. Generally, the spatial evolution across the shock is very similar on all spacecraft, but phased in time according to their relative location. However, a distinct temporal structure of the ion fluxes in the field-aligned beam is observed that varies simultaneously on all spacecraft. This is likely to reflect the variations in the reflection and scattering efficiencies. © European Geophysical Society 2001.
Lucek EA, Dunlop MW, Horbury TS, et al., 2001, Cluster magnetic field observations in the magnetosheath: four-point measurements of mirror structures, ANNALES GEOPHYSICAE, Vol: 19, Pages: 1421-1428, ISSN: 0992-7689
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- Citations: 55
Horbury TS, Cargill PJ, Lucek EA, et al., 2001, Cluster magnetic field observations of the bowshock:: Orientation, motion and structure, ANNALES GEOPHYSICAE, Vol: 19, Pages: 1399-1409, ISSN: 0992-7689
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- Citations: 42
Horbury TS, Balogh A, 2001, Evolution of magnetic field fluctuations in high-speed solar wind streams: Ulysses and Helios observations, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 106, Pages: 15929-15940, ISSN: 2169-9380
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- Citations: 68
Intriligator DS, Jokipii JR, Horbury TS, et al., 2001, Processes associated with particle transport in corotating interaction regions and near stream interfaces, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 106, Pages: 10625-10634, ISSN: 2169-9380
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- Citations: 31
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