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Using color photometry to search for the solar corona “reddening” effect

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Abstract

The problems of searching for the solar corona “reddening” effect are analyzed. A new method is proposed for quantitative color photometry using a color film with significantly reduced sensitivity in the green spectral region. The results of the photometry of the solar corona slides obtained during the total solar eclipse of November 3, 1994 are presented. From the coronal intensity dependences on the distance in the red (λ eff=660nm) and blue (λ eff=440nm) spectral regions for a helmet-shaped streamer (P=70°)and in the region of reduced brightness (P=160°)the “reddening” effect was not detected up to a distance of (3.5–4)R ⊙.

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Authors and Affiliations

  1. Sternberg State Astronomical Institute, Lomonosov State University, Moscow, Russia

    I. S. Kim, N. L. Kroussanova, O. T. Matsuura, J. Mallman, R. G. Mikaelyan, T. N. Oreshkina & E. Picazzio

  2. Institute of Astronomy and Geophysics, University of Sao Paulo, Brazil

    I. S. Kim, N. L. Kroussanova, O. T. Matsuura, J. Mallman, R. G. Mikaelyan, T. N. Oreshkina & E. Picazzio

  3. NIIKHIMFOTOPROEKT (joint stock company), Russia

    I. S. Kim, N. L. Kroussanova, O. T. Matsuura, J. Mallman, R. G. Mikaelyan, T. N. Oreshkina & E. Picazzio

Authors
  1. I. S. Kim
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  2. N. L. Kroussanova
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  3. O. T. Matsuura
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  4. J. Mallman
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  5. R. G. Mikaelyan
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  6. T. N. Oreshkina
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  7. E. Picazzio
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 39, No. 10, pp. 1287–1291, October, 1996.

This work was supported in part by the Russian Foundation for Fundamental Research under Grant No. 93-02-2876 and under Grants No. CNPq 452339/94-4 (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) and FINEP Ref. 0104194 (Financiadora de Estudos e Projectos) on the Brazil side.

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Kim, I.S., Kroussanova, N.L., Matsuura, O.T. et al. Using color photometry to search for the solar corona “reddening” effect. Radiophys Quantum Electron 39, 862–864 (1996). https://doi.org/10.1007/BF02120975

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  • DOI: https://doi.org/10.1007/BF02120975

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