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Spectral features to be expected from rotational and expansional motions in fine solar structures

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Abstract

The shapes of spectral features (lines) to be expected from rotating or expanding fine solar filaments, loops, and knots (oriented variously to the spectrograph slit) are given and discussed. Only the appearance of the lines in the spectrum (i.e., their orientation to the direction of dispersion and the shape of their area) is considered. It is shown that the observed inclination to the direction of dispersion of some spectral features can be produced by rotation but not by expansion. The observational evidences are given.

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Authors and Affiliations

  1. Astronomical Observatory of Wrocŀaw University, Wrocŀaw, Poland

    B. Rompolt

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  1. B. Rompolt
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Paper presented at the ‘6th Regional Consultation on Physics’, Gyula, Hungary, September

Paper presented at the ‘6th Regional Consultation on Physics’, Gyula, Hungary, September

Paper presented at the ‘6th Regional Consultation on Physics’, Gyula, Hungary, September

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Rompolt, B. Spectral features to be expected from rotational and expansional motions in fine solar structures. Sol Phys 41, 329–348 (1975). https://doi.org/10.1007/BF00154070

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  • DOI: https://doi.org/10.1007/BF00154070

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