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Ca II K emission arches

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Abstract

Arch-like features are often seen in spectrograms of very strong lines near the solar limb when the slit crosses the chromospheric network. We show how earlier kinetic-equilibrium (non-LTE) calculations for Ca ii can be used to predict such features for the K line with two-component atmospheric models.

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References

  • Beebe, H. A. and Johnson, H. R.: 1969, Solar Phys. 10, 9.

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Authors and Affiliations

  1. New Mexico State University, U.S.A.

    H. A. Beebe

  2. Indiana University, U.S.A.

    Hollis R. Johnson

Authors
  1. H. A. Beebe
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  2. Hollis R. Johnson
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Additional information

Publication of the Goethe Link Observatory, Indiana University, No. 144

Now on leave at the High Altitude Observatory, National Center for Atmospheric Research, Boulder, Colorado. (NCAR is sponsored by the National Science Foundation.)

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Beebe, H.A., Johnson, H.R. Ca II K emission arches. Sol Phys 27, 34–38 (1972). https://doi.org/10.1007/BF00151767

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  • DOI: https://doi.org/10.1007/BF00151767

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