Grun, E. and Baguhl, M. and Fechtig, H. and Hanner, M.S. and Kissel, J. and Lindblad, B.A. and Linkert, C. and Linkert, G. and Manners, Ian and McDonnell, J.A.M. and Morfill, G.E. and Polanskey, C. and Riemann, R. and Schwehm, G. and Siddique, N. and Zook, H.A. (1992) Galileo and Ulysses Dust Measurements - from Venus to Jupiter. Geophysical Research Letters, 19 (12). pp. 1311-1314. ISSN 0094-8276.
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The Galileo and Ulysses spaceprobes carry two similar dust detectors through interplanetary space from Venus to Jupiter. We report here on impacts which correspond to dust particles above a mass threshold of about 10(-13)g for which we have complete records. Between December 1989 and January 1992 Galileo repeatedly traversed interplanetary space between 0.7 and 2.26 AU and recorded 374 impacts. The observed impact rates ranged from 0.1 to about 3 impacts per day strongly dependent on whether the spacecraft moved towards or away from the Sun. From October 1990 to January 1992 the Ulysses spacecraft had reached a distance of 5.17 AU from the Sun and had recorded 72 impacts at rates between 0.1 and 0.5 per day. Inside about 2 AU the observed fluxes are compatible with a population of interplanetary dust particles moving on low to moderately eccentric (e = 0.1 to 0.5) and low inclination (i = 0 deg. to 30 deg.) orbits. Outside this distance a dust particle population on different orbits is required in order to explain the Ulysses data.
|Subjects:||Q Science > Q Science (General)|
|Divisions:||Faculties > Science Technology and Medical Studies > Medway School of Pharmacy|
|Depositing User:||P. Ogbuji|
|Date Deposited:||07 Oct 2009 13:17|
|Last Modified:||13 Jun 2012 09:35|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/22597 (The current URI for this page, for reference purposes)|
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