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  Io revealed in the Jovian dust streams

Graps, A., Grün, E., Krüger, H., Horányi, M., & Svedhem, H. (2001). Io revealed in the Jovian dust streams. In B. Warmbein (Ed.), Proceedings of the Meteoroids 2001 Conference: 6 - 10 August 2001, Swedish Institute of Space Physics, Kiruna, Sweden (pp. 601-608). Noordwijk: ESA.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-85C7-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-85C8-5
Genre: Conference Paper

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 Creators:
Graps, Amara1, Author              
Grün, Eberhard1, Author              
Krüger, Harald1, Author              
Horányi, Mihály2, Author
Svedhem, Håkan1, Author              
Affiliations:
1Ralf Srama - Heidelberg Dust Group, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907558              
2LASP, Boulder, USA, ESTEC, Noordwijk, Netherlands, ou_persistent22              

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Free keywords: Jovian dust streams, frequency analysis, Cassini-Galileo dust measurements, Io's volcanoes.
 Abstract: The Jovian dust streams are high-speed bursts of submicron-sized particles traveling in the same direction from a source in the Jovian system. Since their discovery in 1992, they have been observed by three spacecraft: Ulysses, Galileo and Cassini. The source of the Jovian dust streams is dust from Io's volcanoes. The charged and traveling dust stream particles have particular signatures in frequency space and in real space. The frequency-transformed Galileo dust stream measurements show different signatures, varying orbit-to-orbit during Galileo's first 29 orbits around Jupiter. Time-frequency analysis demonstrates that Io is a localized source of charged dust particles. Aspects of the particles' dynamics can be seen in the December 2000 joint Galileo-Cassini dukst stream measurements. To match the travel times, the smallest dust particles could have the following range of parameters: radius: 6 nm, density: 1.35-1.75 g/cm3, sulfur charging conditions, which produce dust stream speeds: 220\450 km s-1 (Galileo\Cassini) and charge potentials: 5.5\6.3 V (Galileo\Cassini).

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Language(s): eng - English
 Dates: 2001
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 60316
 Degree: -

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Title: Meteoroids Conference <2001, Kiruna>
Place of Event: Kiruna [Sweden]
Start-/End Date: 2001-08-06 - 2001-08-10

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Title: Proceedings of the Meteoroids 2001 Conference : 6 - 10 August 2001, Swedish Institute of Space Physics, Kiruna, Sweden
Source Genre: Proceedings
 Creator(s):
Warmbein, Barbara, Editor
Affiliations:
-
Publ. Info: Noordwijk : ESA
Pages: 8 p. Volume / Issue: - Sequence Number: - Start / End Page: 601 - 608 Identifier: ISBN: 92-9092-805-0