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  • 1
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    Geotail mission to explore earth's magnetotail (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The Geotail satellite mission is a cooperative venture of NASA and ISAS of Japan for exploration of the magnetotail region of the earth's magnetosphere. Geotail will deepen understanding into fundamental processes, such as those of energy transfer from the solar wind to the magnetosphere, magnetotail particle acceleration, tail energy release onset, the transport of particles between the tail and the inner magnetosphere, the bow shock, and wave-particle interactions. Attention is given to both Geotail spacecraft and mission design.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: EOS (ISSN 0096-3941); 73; 40; p. 425, 428, 429.
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Mars Observer magnetic fields investigation (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The magnetic fields experiment designed for the Mars Observer mission will provide definitive measurements of the Martian magnetic field from the transition and mapping orbits planned for the Mars Observer. The paper describes the instruments (which include a classical magnetometer and an electron reflection magnetometer) and techniques designed to investigate the nature of the Martian magnetic field and the Mars-solar wind interaction, the mapping of crustal magnetic fields, and studies of the Martian ionosphere, which are activities included in the Mars Observer mission objectives. Attention is also given to the flight software incorporated in the on-board data processor, and the procedures of data processing and analysis.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: Journal of Geophysical Research (ISSN 0148-0227); 97; E5, M
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    The Cluster magnetic field investigation: Scientific objectives and instrumentation (1993)
    In:  CASI
    Details
    Publication Date: 2013-08-29
    Description: The Cluster magnetic field investigation is presented. Cluster represents a qualitatively new type of space mission which will provide, for the first time, a three dimensional view of small scale plasma processes and structures in the different regions in and around the Earth's magnetosphere. Concepts of data analysis needed to interpret the four spacecraft magnetic field data in terms of magnetospheric processes and structures are outlined. The instrument itself, a vital component of the scientific payload, follows a long tradition of fluxgate magnetometers on space missions, yet represents an evolution in terms of built in functions and reliability. A detailed description of the instrument is given with emphasis on those aspects that are unique to the mission.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: ESA, Cluster: Mission, Payload, and Supporting Activities; p 95-114
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    The Giotto magnetic-field investigation (1986)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The objectives of the Giotto magnetometer experiment are the investigation of the interaction between Comet Halley and the solar wind 0.9 AU from the Sun, to within 500 km of the cometary nucleus, and the study of the interplanetary magnetic field. The instrumentation consists of a triaxial and a separate biaxial system of fluxgate sensors of the ring-core type, the associated analog electronics and a digital processor. The measuring ranges of + or 1 16 up to + or - 65536 nT are digitized by a 12-bit analog-to-digital converter. Memory modes allow the bridging of gaps in telemetry coverage of up to 10 days. Because of the dust hazard near closest approach, a magnetometer boom could not be included in the spacecraft design. The magnetic contamination problem was attacked by the use of two magnetometers and by a magnetic-cleanliness program. In-flight results show that the instrument is working flawlessly, though magnetic-contamination problems remain.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: ESA The Giotto Mission: Its Scientific Investigations; p 1-14
    Format: text
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