Computer Science
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250b.363h&link_type=abstract
In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's comet. Volume 2: Dust and Nucleus p 363-364 (SEE N
Computer Science
2
Comet Heads, Comet Nuclei, Cosmic Dust, Gas Jets, Giotto Mission, Halley'S Comet, Asymmetry, Cameras, Gas-Solid Interactions, Mass Spectrometers, Particle Production, Remote Sensing, Spatial Distribution
Scientific paper
The dust and gas productions of comet Halley were measured by the dust counter and the mass spectrometer on the Giotto spacecraft. These instruments give only little information about the spatial asymmetry of the activity. The asymmetry in the dust production is clearly evident from the dust jets seen in the Halley Multicolour Camera images. Since the dust is entrained by the gas, the gas production must be similarly asymmetric. The authors relate the intensity profiles along and across several dust jets to their source regions on the nucleus. Properties of the dust jets are investigated. A few compact, but highly active source regions on the nucleus produce most of the visible dust and can account for most of the gas produced by the comet.
Delamere Alan W.
Huebner Walter F.
Reitsema Harold J.
Schmidt Hans-Ulrich
Uwe Keller Horst
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