Physics
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986gmis.rept...85m&link_type=abstract
In ESA The Giotto Mission: Its Scientific Investigations p 85-107 (SEE N86-32473 24-12)
Physics
Giotto Mission, Halley'S Comet, Interplanetary Dust, Hypervelocity, Meteoroids, Particulate Sampling, Plasma Diagnostics, Protection, Spacecraft Shielding
Scientific paper
The Giotto Dust Impact Detection System (DIDSY) consists of six independent subsystems to register the impact of all particulates of significant mass incident on the probe during the post-perihelion encounter with Comet Halley. Mounted on Giotto's front dust shield, the detectors will determine the mass spectrum of the dust, with a limiting sensitivity of 10 to the minus 17th power f, increasing to the largest grain masses encountered along Giotto's trajectory throught the cometary environment with an ultimate spatial resolution of 70 km. An additional detector is located on the rear shield to monitor dust particles that penetrate the from dust shield. An ambient plasma monitor measures the impact plasma generated by dust and gass impacts on the spacecraft.
Alexander Merle W.
Burton W. M.
Bussoletti Ezio
Clark David H.
Evans G. C.
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