Astrophysics and Space Science

, Volume 194, Issue 2, pp 327–333

The angular width of the coherent back-scatter opposition effect: An application to icy outer planet satellites

  • M. I. Mishchenko
Letter to the Editor

DOI: 10.1007/BF00644001

Cite this article as:
Mishchenko, M.I. Astrophys Space Sci (1992) 194: 327. doi:10.1007/BF00644001

Abstract

It has been suggested recently that coherent back-scattering of light from powder-like regolithic surfaces can explain remarkable opposition brightening of some atmosphereless solar system bodies. In this paper, a dense-medium light-scattering theory is used to calculate the half-width at half-maximum (HWHM) of the coherent back-scattering peak for a number of scattering models. We demonstrate that HWHM strongly depends on the optical properties of the scattering medium and can serve as a critical test in comparing alternative models. It is shown that coherent back-scaterring may be a likely explanation of the opposition effect exhibited by icy outer planet satellites.

Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • M. I. Mishchenko
    • 1
  1. 1.Main Astronomical Observatory of the Ukrainian Academy of SciencesKiev, GoloseevoUkraine

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