DPS Pasadena Meeting 2000, 23-27 October 2000
Session 47. Dust and Solar Wind Posters
Displayed, 1:00pm, Monday - 1:00pm, Friday, Highlighted Tuesday and Thursday, 3:30-6:30pm, C101-C105, C211

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[47.04] Dust charge measurements by the Cassini dust detector

R. Srama, E. Grün, S. Kempf, S. Auer (Max-Planck-Institut Kernphysik, Heidelberg), CDA Science Team

The Cosmic Dust Analyser (CDA) was switched on onboard CASSINI in March 1999. This instrument measures interplanetary, interstellar, Jovian and Saturn dust. With its sensitive area of 0.1 m2, fluxes as low as 1 impact/month can be detected. The measurement of the dust characteristics mass (10-15 - 10-9 g), electric charge (10-15 - 10-12 C), chemical composition (mass resolution 20-50) and speed (1-100 km/s) is accomplished by using impact ionisation. The electrical charge is measured via induction. Six charge signals of dust particles below 5x10-15 C were identified.

The experiment is supported by DLR.

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