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Fine Structure of the solar atmosphere from near-limb observations in three wavelengths

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Abstract

We analyze a time series of high-resolution observations near the limb, in the continuum, in the Mg b 1 line (-0.4 Å off line center), and in the wings of Hα (+0.75 Å). The observations were obtained with a CCD camera at the Vacuum Tower telescope of the Sacramento Peak Observatory. We study the association of facular points, as they appear at different heights of the solar atmosphere (continuum, b 1 - 0.4 Å, Hα + 0.75 Å) with the feet of fine dark mottles.

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Authors and Affiliations

  1. National Observatory of Athens, Astronomical Institute, Greece

    A. A. Georgakilas

  2. Research Center for Astronomy and Applied Mathematics, Academy of Athens, Greece

    H. Dara & Th. Zachariadis

  3. Section of Astro-Geophysics, Department of Physics, University of Ioannina, Greece

    C. E. Alissandrakis

  4. Institut d'Astrophysique, CNRS, Paris, France

    S. Koutchmy

Authors
  1. A. A. Georgakilas
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  2. H. Dara
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  3. Th. Zachariadis
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  4. C. E. Alissandrakis
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  5. S. Koutchmy
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Georgakilas, A.A., Dara, H., Zachariadis, T. et al. Fine Structure of the solar atmosphere from near-limb observations in three wavelengths. Solar Physics 172, 133–138 (1997). https://doi.org/10.1023/A:1004912030626

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  • DOI: https://doi.org/10.1023/A:1004912030626

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