Spatiotemporal change of sky polarization during the total solar eclipse on 29 March 2006 in Turkey: Polarization patterns of the eclipsed sky observed by full-sky imaging polarimetry

Brigitta Sipocz, Ramón Hegedüs, György Kriska, Gábor Horváth

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Using 180° field-of-view (fall-sky) imaging polarimetry, we measured the spatiotemporal change of the polarization of skylight during the total solar eclipse on 29 March 2006 in Turkey. We present our observations here on the temporal variation of the celestial patterns of the degree p and angle α of linear polarization of the eclipsed sky measured in the red (650 nm), green (550 nm), and blue (450 nm) parts of the spectrum. We also report on the temporal and spectral change of the positions of neutral (unpolarized, p = 0) points, and points with local minima or maxima of p of the eclipsed sky. Our results are compared with the observations performed by the same polarimetric technique during the total solar eclipse on 11 August 1999 in Hungary. Practically the same characteristics of celestial polarization were encountered during both eclipses. This shows that the observed polarization phenomena of the eclipsed sky may be general.

Original languageEnglish
Pages (from-to)H1-H10
JournalApplied Optics
Volume47
Issue number34
DOIs
Publication statusPublished - Dec 1 2008

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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