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  • SPACECRAFT INSTRUMENTATION  (3)
  • ion composition  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The Transition Between Fast and Slow Solar Wind from Composition Data (1999)
    Springer
    Space science reviews 87 (1999), S. 353-356 
    Details
    ISSN: 1572-9672
    Keywords: coronal holes ; solar wind ; ion composition ; elemental fractionation ; Ulysses ; ACE
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The transition between coronal hole associated fast solar wind and slow solar wind is studied using data from the high resolution mass spectrometer SWICS on ACE. We discuss the data in the framework of a recent theory about the global heliospheric magnetic field and conclude that the data are consistent with magnetic connections between field-lines in the fast and in the slow wind.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005126718714
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    Paper (German National Licenses)
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  • 2
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    The medium energy cosmic ray experiment for ISEE-C (1978)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: A description is provided of the medium energy cosmic ray experiment on board the ISEE-C spacecraft. This experiment is designed to measure the charge composition of nuclear energetic particles over wide ranges in energy (1-500 MeV/nucleon) and in charge (Z equals 1-28). Individual isotopes are resolvable for Z equals 1-7 over a restricted energy range. Electrons of 2-10 MeV are measured as well. These measurements are accomplished using all solid-state detector telescopes with detectors ranging in thickness from 15-3000 microns. The scientific goals of the experiment are also described. These include study of the composition of energetic particles from the sun and from the galaxy, the acceleration and flow of particles in the interplanetary medium, and electrons from Jupiter. Heliospheric gradients and other characteristics of solar modulation will be measured in conjunction with identical telescopes flown on the Voyager 1 and 2 spacecraft and similar telescopes on Pioneer 10 and 11.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: IEEE Transactions on Geoscience Electronics; GE-16; July 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    The nuclear and ionic charge distribution particle experiments on the ISEE-1 and ISEE-C spacecraft (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The ISEE-1 and ISEE-C instruments are designed to measure the elemental abundances, charge state composition, energy spectra, and angular distributions of energetic ions in the energy range 2 keV/charge to 80 MeV/nucleon and electrons between 75 and 1300 keV. The instrument consists of three sensor systems: (1) ULECA which is an electrostatic deflection system with rectangular solid-state detectors for the 3-560 keV/charge range; (2) ULEWATT which is a double dE/dX vs E thin-window flowthrough proportional counter/solid-state detector telescope for the 0.2-80 MeV/nucleon (Fe) range; and (3) ULEZEQ which is a combination of an electrostatic deflection analyzer and a thin-window dE/dX vs E system with thin-window proportional counter and position-sensitive solid-state detector. The applications of the instruments to solar and interplanetary phenomena and to magnetospheric acceleration and trapped particles are discussed.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: IEEE Transactions on Geoscience Electronics; GE-16; July 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    The Solar Wind Ion Composition Spectrometer (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: The Solar Wind Ion Composition Spectrometer (SWICS) on Ulysses is designed to determine uniquely the elemental and ionic-charge composition, and the temperatures and mean speeds of all major solar-wind ions, from H through Fe, at solar wind speeds ranging from 175 km/s (protons) to 1280 km/s (Fe(8+)). The instrument, which covers an energy per charge range from 0.16 to 59.6 keV/e in about 13 min, combines an electrostatic analyzer with postacceleration, followed by a time-of-flight and energy measurement. The measurements made by SWICS will have an impact on many areas of solar and heliospheric physics, in particular providing essential and unique information on: (1) conditions and processes in the region of the corona where the solar wind is accelerated; (2) the location of the source regions of the solar wind in the corona; (3) coronal heating processes; (4) the extent and causes of variations in the composition of the solar atmosphere; (5) plasma processes in the solar wind; (6) the acceleration of energetic particles in the solar wind; (7) the thermalization and acceleration of interstellar ions in the solar wind, and their composition; and (8) the composition, charge states, and behavior of the plasma in various regions of the Jovian magnetosphere.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Astronomy and Astrophysics Supplement Series (ISSN 0365-0138); 92; 2, Ja
    Format: text
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    NASA TECHNICAL REPORTS
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