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A fragmentation model of dust grains in the inner coma of Halley. A possible explanation of the color effect

Published online by Cambridge University Press:  27 February 2018

B. Goidet-Devel ,
J. Clairemidi ,
G. Moreels  and
P. Rousselot
B. Goidet-Devel
Affiliation:
Observatoire de Besançon, B.P. 1615, 25010 Besançon, France
J. Clairemidi
Affiliation:
Observatoire de Besançon, B.P. 1615, 25010 Besançon, France
G. Moreels
Affiliation:
Observatoire de Besançon, B.P. 1615, 25010 Besançon, France
P. Rousselot
Affiliation:
Observatoire de Besançon, B.P. 1615, 25010 Besançon, France

Abstract

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A model to describe the intensity of dust scattered light observed by the spectrometer TKS during the Vega/Halley encounter is presented. Good agreement is obtained when using a particle radius dependent mass density. The color effect is reproduced if the refractive index of tholin is adopted.

Type
X. Cometary Dust
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 387 - 390
Copyright
Copyright © Astronomical Society of the Pacific 1996

References

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