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| Titel |
First multispacecraft ion measurements in and near the Earth’s magnetosphere with the identical Cluster ion spectrometry (CIS) experiment |
| VerfasserIn |
H. Rème, C. Aoustin, J. M. Bosqued, I. Dandouras, B. Lavraud, J. A. Sauvaud, A. Barthe, J. Bouyssou, Th. Camus, O. Coeur-Joly, A. Cros, J. Cuvilo, F. Ducay, Y. Garbarowitz, J. L. Medale, E. Penou, H. Perrier, D. Romefort, J. Rouzaud, C. Vallat, D. Alcaydé, C. Jacquey, C. Mazelle, C. D'Uston, E. Möbius, L. M. Kistler, K. Crocker, M. Granoff, C. Mouikis, M. Popecki, M. Vosbury, B. Klecker, D. Hovestadt, H. Kucharek, E. Kuenneth, G. Paschmann, M. Scholer, N. Sckopke, E. Seidenschwang, C. W. Carlson, D. W. Curtis, C. Ingraham, R. P. Lin, J. P. McFadden, G. K. Parks, T. Phan, V. Formisano, E. Amata, M. B. Bavassano-Cattaneo, P. Baldetti, R. Bruno, G. Chionchio, A. Lellis, M. F. Marcucci, G. Pallocchia, A. Korth, P. W. Daly, B. Graeve, H. Rosenbauer, V. Vasyliunas  , M. McCarthy, M. Wilber, L. Eliasson, R. Lundin, S. Olsen, E. G. Shelley, S. Fuselier, A. G. Ghielmetti, W. Lennartsson, C. P. Escoubet, H. Balsiger, R. Friedel, J.-B. Cao, R. A. Kovrazhkin, I. Papamastorakis, R. Pellat, J. Scudder, B. Sonnerup |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 19, no. 10/12 ; Nr. 19, no. 10/12, S.1303-1354 |
| Datensatznummer |
250014118
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| Publikation (Nr.) |
 copernicus.org/angeo-19-1303-2001.pdf |
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| Zusammenfassung |
On board the four Cluster
spacecraft, the Cluster Ion Spectrometry (CIS) experiment measures the full,
three-dimensional ion distribution of the major magnetospheric ions (H+,
He+, He++, and O+) from the thermal energies
to about 40 keV/e. The experiment consists of two different instruments: a
COmposition and DIstribution Function analyser (CIS1/CODIF), giving the mass
per charge composition with medium (22.5°) angular resolution, and a Hot Ion
Analyser (CIS2/HIA), which does not offer mass resolution but has a better
angular resolution (5.6°) that is adequate for ion beam and solar wind
measurements. Each analyser has two different sensitivities in order to
increase the dynamic range. First tests of the instruments (commissioning
activities) were achieved from early September 2000 to mid January 2001, and
the operation phase began on 1 February 2001. In this paper, first results of
the CIS instruments are presented showing the high level performances and
capabilities of the instruments. Good examples of data were obtained in the
central plasma sheet, magnetopause crossings, magnetosheath, solar wind and
cusp measurements. Observations in the auroral regions could also be obtained
with the Cluster spacecraft at radial distances of 4–6 Earth radii. These
results show the tremendous interest of multispacecraft measurements with
identical instruments and open a new area in magnetospheric and solar
wind-magnetosphere interaction physics.
Key words. Magnetospheric physics
(magnetopause, cusp and boundary layers; magnetopheric configuration and
dynamics; solar wind - magnetosphere interactions) |
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