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High-resolution photography of the solar chromosphere

XI: Hα contrast profiles of mottles near the limb

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Abstract

Curves showing the contrast of individual bright and dark mottles near the limb at various wavelengths in the Hα line have been plotted from observations made through a 1/8 Å filter. The results cannot be explained in terms of the ‘cloud’ model of mottles proposed by Beckers (1964) and employed with some success by Grossmann-Doerth and von Uexküll (1971) and Bray (1973) to interpret the profiles of bright and dark mottles near the centre of the disk.

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References

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Loughhead, R.E. High-resolution photography of the solar chromosphere. Sol Phys 29, 327–332 (1973). https://doi.org/10.1007/BF00150810

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  • DOI: https://doi.org/10.1007/BF00150810

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