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In Situ Measurements of Interstellar Dust

Published online by Cambridge University Press:  12 April 2016

M. Landgraf  and
E. Grün
M. Landgraf
Affiliation:
Max-Planck-Institut für KernphysikD-69029 Heidelberg, Germany
E. Grün
Affiliation:
Max-Planck-Institut für KernphysikD-69029 Heidelberg, Germany

Abstract

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We present the mass distribution of interstellar grains measured in situ by the Galileo and Ulysses space probes as cumulative flux. The derived in situ mass distribution per logarithmic size interval is compared to the distribution determined by fitting extinction measurements. Large grains measured in situ contribute significantly to the overall mass of dust in the local interstellar cloud. The problem of a dust-to-gas mass ratio that contradicts cosmic abundances is discussed.

Type
Part VI Distant Hot Gas, SXRB Fluctuations, Dust, Gamma-rays
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 381 - 384
Copyright
Copyright © Springer-Verlag 1998

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