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Comet Ion Tail Observations Far From the Nucleus
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

On may 1, 1996, Ulysses spacecraft crossed the ion tail of comet Hyakutake, revealing an ion tail length of more than 3 times the Sun-Earth distance. The signatures of an ion tail, especially the ion tail far from the nucleus, are not well explored and many question marks remain. This report summarizes previous observations of spacecraft - ion tail crossings and what signatures that can be expected, as well as signatures of other known solar wind structures. A data analysis is made of possible ion tail encounters from Rosetta spacecraft measurements, Ulysses spacecraft measurements and Earth-orbiting spacecraft measurements. A search from Venus Express data to detect ion tails of sungrazing comets is presented.

Place, publisher, year, edition, pages
2011. , 78 p.
UPTEC F, ISSN 1401-5757 ; 11 025
Keyword [en]
ion tail, comet
Keyword [sv]
jonsvans, komet
URN: urn:nbn:se:uu:diva-150106OAI: diva2:406495
Available from: 2011-04-11 Created: 2011-03-25 Last updated: 2011-04-11Bibliographically approved

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Swedish Institute of Space Physics, Uppsala Division

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