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|Title: ||Giotto Ion Mass Spectrometer Measurements at Comet P/Grigg-Skjellerup|
|Authors: ||Goldstein, R.|
Goldstein, B. E.
Neubauer, F. M.
|Issue Date: ||1993 |
|Citation: ||Journal of Geophysical Research|
|Abstract: ||The Giotto Ion Mass Spectrometer High Intensity Spectrometer (IMS-HIS) measured fluxes of ions from about 260,000 km before (10:08:37 UT spacecraft time) to about 86,000 km after (17:01:33 UT spacecraft time) closest approach to comet P/Grigg- Skjellerup during the encounter on July 10, 1992. Although the HIS sensor was not designed to measure protons, the unusual flyby geometry at Grigg-Skjellerup allowed the sensor to detect these ions. Considerable temporal structure appears in the data, well- correlated with the data of other instruments onboard, especially those of the magnetometer. In particular, the proton count rate correlates with the direction of the magnetic field.|
|Appears in Collections:||JPL TRS 1992+|
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