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Güttler scattering analogues for dust aggregates

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Abstract

We show that suitably defined Güttler (core-mantle) analogues can satisfactorily represent the optical cross-sections of aggregates of very small particles that result from mutual collisions and sticking. Earlier calculations using the discrete dipole approximation are seen to be in good agreement with Güttler analogue calculations, particularly in the case of the so-called Ballistic Particle-Cluster Aggregates (BPCA).

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Author notes

  1. N. C. Wickramasinghe

    Present address: School of Mathematics, University of Wales College of Cardiff, Cardiff, UK

Authors and Affiliations

  1. The Institute of Space and Astronautical Science, Sagamihara, Kanagawa, Japan

    N. C. Wickramasinghe & Takashi Kozasa

Authors
  1. N. C. Wickramasinghe
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  2. Takashi Kozasa
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Wickramasinghe, N.C., Kozasa, T. Güttler scattering analogues for dust aggregates. Astrophys Space Sci 209, 149–156 (1993). https://doi.org/10.1007/BF00666447

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  • DOI: https://doi.org/10.1007/BF00666447

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