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Greifswald 2009 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 7: Poster Session Extraterrestrics

EP 7.25: Poster

Dienstag, 31. März 2009, 17:30–19:00, Foyer der Zahnklinik

Applications and Performance of a Dust Telescope — •Ralf Srama1,2, Sascha Kempf1, Georg Moragas-Klostermeyer1, Frank Postberg3, Sean Hsu1, Rene Laufer2, Hartmut Henkel4, Zoltan Sternovsky5, Eberhard Grün1, and Hans-Peter Röser21MPI Nuclear Physics, Heidelberg — 2Univ. Stuttgart, IRS, Stuttgart — 3Univ. Heidelberg — 4von Hoerner & Sulger GmbH — 5LASP, Univ. Colorado, USA

In-situ instrumentation for the measurement of cosmic dust is an excellent tool in Dust Astronomy. The Cosmic- Dust-Analyszer onboard Cassini provided unique information about interplanetary dust and about the dust distribution in the Saturnian system. The simultaneous determination of the grain properties like speed, charge, mass and composition is possible by current methods. Typical impact ionisation sensors are sensible to dust grains with sizes between 0.01 and 50 micron and with impact speeds between 1 and 300 km/s. Recent instrument developments allow for further improvements of dust grain trajectory and compositional measurements. The current sensor technologies are compared with new concepts and their applications. Future missions to the moon or to the inner solar system require more accurate and highly reliable detection techniques.

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