PLAZMAG-1 experiment: Solar wind measurements during the closest approach to Comet Giacobini-Zinner by the ICE probe and to Comet Halley by the Giotto and Suisei spacecraft

Details PLAZMAG-1 experiment: Solar wind measurements during the closest approach to Comet Giacobini-Zinner by the ICE probe and to Comet Halley by the Giotto and Suisei spacecraft PLAZMAG-1 experiment: Solar wind measurements during the closest approach to Comet Giacobini-Zinner by the ICE probe and to Comet Halley by the Giotto and Suisei spacecraft

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250a..65a&link_type=abstract

In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 1: Plasma and Gas p 65-70 (SEE N87-2

Computer Science

2

Cometary Atmospheres, Giacobini-Zinner Comet, Halley'S Comet, Plasma Diagnostics, Plasma Interactions, Solar Wind, Electron Distribution, Electron Energy, Giotto Mission, International Sun Earth Explorer 3, Japanese Spacecraft, Mass Spectrometers, Solar Protons, Vega Project

Scientific paper

The PLAZMAG-1 plasma analyzer, flown on the VEGA 1 and VEGA 2 spacecraft, is described. When the spacecraft approached comet Halley, the instrument produced information on the plasma phenomena around the comet. The sensors determine: basic parameters of solar wind protons and alpha particles, using the ion energy spectrometer, viewing towards the Sun; mass composition of cometary ions, using the ion mass spectrometer, oriented along the spacecraft-comet relative velocity vector (vrv); electron energy distribution, using the electron energy spectrometer, oriented perpendicular to the direction towards the Sun and to the vrv vector; solar wind ion flux, using the integral counter, oriented towards the Sun; and number density of cometary ions and neutral particles, using the integral counter, and PID, oriented along the vrv vector.

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