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Latitudinal Variations of Line-of-Sight Velocity Oscillations in the Photosphere, Chromosphere and Prominences
Published online by Cambridge University Press: 12 April 2016
Abstract
By studying line-of-sight velocity time variations in prominences, we found that velocity oscillations with a period over 40 min have a reasonably well-marked dependence of the period length with heliolatitude. Simultaneous observations of line-of-sight velocities in the photosphere and chromosphere showed that quasi-hourly oscillation periods at these levels in the solar atmosphere and in prominences have a similar latitudinal behavior.
- Type
- Filaments and Their Environment
- Information
- International Astronomical Union Colloquium , Volume 167: New Perspectives on Solar Prominences , 1998 , pp. 131 - 134
- Copyright
- Copyright © Astronomical Society of the Pacific 1998