Solar System Research

, Volume 39, Issue 1, pp 45–53 | Cite as

Parameters of the positive polarization maximum of the Moon: mapping

  • V. V. Korokhin
  • Yu. I. Velikodsky


The distributions of the positive polarization degree maximum Pmax and, for the first time, of its phase angle αmax were mapped (for wavelengths γeff = 461 nm and 669 nm) on the basis of polarimetric CCD observations of the eastern hemisphere of the Moon. The distributions of the spectropolarimetric index for the positive polarization degree maximum CPmax=Pmax(669 nm)/Pmax(461 nm) and of the “color” of the maximum polarization angle Cαmaxmax (669 nm)/ αmax (461 nm) were mapped as well. It has been found that (i) the dependences of αmax on the logarithm of albedo and on the logarithm of Pmaxare linearly correlated to a large degree; (ii) the parameters αmax and Pmaxdepend on wavelength only due to albedo variations; (iii) there are two branches in the “spectropolarimetric index CPmax–albedo” correlation diagram: mare regions show anti-correlation, and highlands, correlation. The maps obtained in this study can be useful both for developing remote sensing methods for the Moon and other atmosphereless bodies and for testing models of positive polarization of the light reflected by regolith-like surfaces.


Color Phase Angle Testing Model Large Degree Polarization Angle 
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Copyright information

© MAIK “Nauka/Interperiodica” 2005

Authors and Affiliations

  • V. V. Korokhin
    • 1
  • Yu. I. Velikodsky
    • 1
  1. 1.Institute of Astronomy of Kharkiv National UniversityKharkivUkraine

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