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The Giotto ion mass spectrometerThe Giotto Ion Mass Spectrometer (IMS) consists of two sensors: one optimized for the outer and the other for the inner coma, with each obtaining complementary information in the region for which it is not optimized. The outer coma is characterized by the interaction between solar wind and comentary plasmas, the inner coma by the outflow of cometary neutrals and their ionization products. Both sensors feature mass imaging characteristics, permitting simultaneous measurements of several ion species by multidetector arrays. Resultant mass-per-charge resolution is greater than or = 20. Energy per charge, and the elevation and aximuth of incident ions are measured. Calibration and in-flight solar-wind data show that the IMS will meet its scientific goals for the Halley encounter.
Document ID
19860023010
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Balsiger, H.
(Bern Univ. Switzerland)
Altwegg, K.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Buehler, F.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Fischer, J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Geiss, J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Meier, A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Rettenmund, U.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Rosenbauer, H.
(Max-Planck-Inst. fuer Aeronomie Katlenburg-Lindau, Germany)
Schwenn, R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Neugebauer, M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 12, 2013
Publication Date
March 1, 1986
Publication Information
Publication: ESA The Giotto Mission: Its Scientific Investigations
Subject Category
Spacecraft Instrumentation
Accession Number
86N32482
Funding Number(s)
CONTRACT_GRANT: NASW-3572
CONTRACT_GRANT: SNSF-2.007.83
CONTRACT_GRANT: NASW-3729
CONTRACT_GRANT: BMFT-01-OF-032-3
CONTRACT_GRANT: SNSF-2.034.81
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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