AC magnetic field measurements onboard Cross-Scale: Scientific objectives and instrument design |
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Authors: | Thierry Dudok de Wit Christophe Coillot Vladimir Krasnoselskikh Jean-Louis Pinçon |
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Institution: | a Laboratoire de Physique et Chimie de l’Environnement et de l’Espace (LPC2E), 3A Avenue de la Recherche Scientifique, F-45071 Orléans, France b Laboratoire de Physique des Plasmas (LPP), Ecole Polytechnique, F-91128 Palaiseau, France c NASA Goddard Space Flight Center, Greenbelt, MD, USA |
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Abstract: | The ACB search-coil magnetometer for Cross-Scale will measure three components of the AC magnetic field up to 4 kHz, and one component up to 100 kHz. Turbulent and coherent magnetic field fluctuations in that frequency range play an important role in the acceleration, scattering, and thermalisation of particles. ACB will, together with the other instruments of the Cross-Scale wave consortium, allow to address the key science objectives associated with plasma waves. Here, we list some of the important issues, based on the experience drawn from Cluster, and describe the instrument. |
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Keywords: | Space plasmas Magnetic field Turbulence Instrumentation turbulence Shocks Reconnection |
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