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Giant Starspots and Stellar Flares: The View from Space
Byrne, Patrick B.
Satellite observations of starspots and stellar flares are examined. The properties of sunspots and solar flares are reviewed and the method used to infer the existence of starspots is described. IUE observations of the atmospheres of spotted stars and Exosat X-ray observations of solar flares are discussed. Also, an IUE spectrum of II Peg and a U…
Ireland's contribution to deep space missions
McKenna-Lawlor, Susan M. P.
Irish contributions to the Giotto mission, the Phobos mission, and the planned International Solar Terrestrial Physics (ISTP) program are discussed. Results are presented from the Energetic Particle Onset Admonitor (Epona) experiment, which flew on the Giotto mission. The Epona instruments detected electrons, protons, alpha particles, and pickup i…