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Predictions of the solar wind interaction with Comet Grigg-Skjellerup

Huddleston, DE; Coates, AJ; Johnstone, AD; (1992) Predictions of the solar wind interaction with Comet Grigg-Skjellerup. Geophysical Research Letters , 19 (8) 837 - 840. 10.1029/92GL00639. Green open access

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Abstract

The planned encounter of the Giotto spacecraft with comet Grigg-Skjellerup on 10th July 1992 promises to extend our knowledge of the solar wind interaction with comets substantially. While there have been spacecraft missions to comets before now, this mission is exploratory in the sense that the target comet is much older and there-fore it has a much lower gas production rate than comets Halley (by a factor approximately 200) or Giacobini-Zinner (factor approximately 10). Here we present theoretical predictions for the location of the bow shock and contact surface features, and compare similar predictions with the observed features at the previous encounters. We discuss the applicability of fluid-type theory which these models employ, in the case of strong and weak comets in the solar wind.

Type: Article
Title: Predictions of the solar wind interaction with Comet Grigg-Skjellerup
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/92GL00639
Publisher version: http://dx.doi.org/10.1029/92GL00639
Language: English
Additional information: Copyright 1992 by the American Geophysical Union
Keywords: Giotto magnetometer experiment, Halley bow shock, Giacobini-zinner, Plasma, Gas
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/81938
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