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3 Years of Galileo Dust Data

Grun, E., Baguhl, M., Divine, N., Fechtig, H., Hamilton, D.P., Hanner, M.S., Kissel, Jochen, Lindblad, B.A., Linkert, D., Linkert, G., and others. (1995) 3 Years of Galileo Dust Data. Planetary and Space Science, 43 (8). pp. 953-969. ISSN 0032-0633. (doi:10.1016/0032-0633(94)00234-I) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:19577)

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From its launch in October 1989 until the end of 1992, the Galileo spacecraft traversed interplanetary space from Venus to the asteroid belt and successfully executed close flybys of Venus, the Earth, and the asteroid Gaspra. The dust instrument has been operating most of the time since it was switched on in December 1989. Except for short time intervals near Earth, data from the instrument were received via occasional(once per week to once per month) memory read outs containing 282-818 bytes of data. All events (impacts or noise events) were classified by an onboard program into 24 categories. Over the three-year time span, the dust detector recorded 469 ''big'' dust impacts. These were counted in 21 of the 24 event categories. The three remaining categories of very low amplitude events contain mostly noise events. The impact rate varied from 0.2 to 2 impacts per day depending on heliocentric distance and direction of spacecraft motion with respect to the interplanetary dust cloud. Because the average data transmission rate was very low, some data were not received on the ground. Complete data sets for 358 ''big'' impacts were received, but the other 111 ''big'' impacts were only counted. The observed impact rates are compared with a model of the meteoroid complex.

Item Type: Article
DOI/Identification number: 10.1016/0032-0633(94)00234-I
Subjects: Q Science > QB Astronomy
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: P. Ogbuji
Date Deposited: 30 May 2009 09:57 UTC
Last Modified: 16 Nov 2021 09:57 UTC
Resource URI: (The current URI for this page, for reference purposes)

University of Kent Author Information

Manners, Ian.

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McDonnell, J.A.M..

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