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  • 1
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    In:  Other Sources
    Publication Date: 2011-08-16
    Description: The scientific objectives of the Explorer-45 mission are discussed. The primary objective is the study of the ring current responsible for the main phase of magnetic storms. Closely associated with this objective is the determination of the relationship between magnetic storms, substorms, and the acceleration of charged particles in the magnetosphere. Further objectives are the measurement of a wide range of proton, electron and alpha-particle energies, and studies of wave-particle interactions responsible for particle transport and loss in the inner magnetosphere. The orbital parameters, the spacecraft itself, and some of its unique features, such as the data handling system, which is programmable from the ground, are described.
    Keywords: SPACE VEHICLES
    Type: Journal of Geophysical Research; 78; Aug. 1
    Format: text
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  • 2
    Publication Date: 2011-08-16
    Description: The low-energy electron experiment will provide differential measurements of the energy influx and angular distributions of electrons and protons on the Atmosphere Explorer-C and -D missions. The detectors consist of cylindrical electrostatic analyzers for species and energy selection and Spiraltron electron multipliers as particle sensors. The C version will contain three detectors, two measuring electrons and protons from 0.2 to 25 keV in 16 logarithmically spaced steps and one measuring 5 keV electrons continuously. Angular distributions will be acquired utilizing the spin of the spacecraft. The D version will contain 19 detectors, one proton-stepped energy analyzer, and two electron-stepped energy analyzers at two different angles, again over the energy range 0.2 to 25 keV.
    Keywords: SPACE VEHICLES
    Type: Radio Science; 8; Apr. 197
    Format: text
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  • 3
    Publication Date: 2019-06-27
    Description: The launch of the Explorer 45 satellite and the instruments installed in the satellite are discussed. The scientific objectives of the first mission, the orbital parameters, and the capabilities of the data system are examined. The satellite is designed to carry out investigations of specific magnetospheric phenomena in the heart of the magnetosphere. The data handling system is programmable from the ground for greater flexibility.
    Keywords: SPACE VEHICLES
    Type: NASA-TM-X-65973 , X-646-72-240
    Format: application/pdf
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  • 4
    Publication Date: 2019-07-13
    Description: Small Scientific Satellite program and first payload considerations
    Keywords: SPACE VEHICLES
    Type: NASA-TM-X-63386 , X-612-68-418 , ANN. IEEE/GNS NUCL. SCI. SYMP.; Oct 23, 1968 - Oct 25, 1968; MONTREAL; CANADA
    Format: application/pdf
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