The Element Composition of Comet Halley Dust Particles - Preliminary Results from the VEGA PUMA Analyzers

Details The Element Composition of Comet Halley Dust Particles - Preliminary Results from the VEGA PUMA Analyzers The Element Composition of Comet Halley Dust Particles - Preliminary Results from the VEGA PUMA Analyzers

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..604s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal, vol. 12, p. 604 (1986)

Astronomy and Astrophysics

Astronomy

3

Scientific paper

Already the raw data of the "PUMA" instruments reveal unexpected and striking features of cometary dust particles. Firstly, it seems that particles below 10-14g are much more abundant than anticipated by the models. Secondly, most of the particles are rich in light elements such as H, C, N and O giving hints to the validity of models describing the cometary material as made from radiation processed ices. Three examples of original measurements for typical compositions are given.

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