Companion to comet Grigg-Skjellerup discovered using Giotto data?
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Energetic particle signature recorded by the EPONA instrument on board Giotto in the energy range ~ 60-100 keV. The data are believed to represent the signature of a companion to Comet Grigg-Skjellerup. Particle count rate is shown on the vertical axis. Time and distance from the comet are shown on the bottom scale. (Courtesy Susan McKenna-Lawlor)
Last Update: 1 September 2019