SWE,a comprehensive plasma instrument for the WIND spacecraft |
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| Authors: | K W Ogilvie D J Chornay R J Fritzenreiter F Hunsaker J Keller J Lobell G Miller J D Scudder E C Sittler Jr R B Torbert D Bodet G Needell A J Lazarus J T Steinberg J H Tappan A Mavretic E Gergin |
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| Institution: | (1) Interplanetary Physics Branch, Goddard Space Flight Center, 20771 Greenbelt, MA, USA;(2) Physics Department and Space Science Center, Institute for Study of Earth, Oceans, and Space, University of New Hampshire, 03284 Durham, NH, USA;(3) Center for Space Research, Massachusetts Institute of Technology, 02139 Cambridge, MA, USA;(4) Microelectronics Research Laboratory, Boston University, 02215 Boston, MA, USA |
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| Abstract: | The Solar Wind Experiment (SWE) on the WIND spacecraft is a comprehensive, integrated set of sensors which is designed to investigate outstanding problems in solar wind physics. It consists of two Faraday cup (FC) sensors; a vector electron and ion spectrometer (VEIS); a strahl sensor, which is especially configured to study the electron  strahl close to the magnetic field direction; and an on-board calibration system. The energy/charge range of the Faraday cups is 150 V to 8 kV, and that of the VEIS is 7 V to 24.8 kV. The time resolution depends on the operational mode used, but can be of the order of a few seconds for 3-D measurements. Key parameters which broadly characterize the solar wind positive ion velocity distribution function will be made available rapidly from the GGS Central Data Handling Facility. |
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