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Title:
Waves in the solar photosphere
Authors:
Stebbins, Robin; Goode, Philip R.
Affiliation:
AA(National Solar Observatory, Sunspot, NM), AB(New Jersey Institute of Technology, Newark)
Publication:
Solar Physics (ISSN 0038-0938), vol. 110, no. 2, 1987, p. 237-253. (SoPh Homepage)
Publication Date:
09/1987
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
Line Shape, Photosphere, Solar Atmosphere, Spectrum Analysis, Velocity Distribution, Wave Propagation, Digital Filters, Eigenvectors, Kinetic Energy, Solar Oscillations, Spatial Distribution
DOI:
10.1007/BF00206421
Bibliographic Code:
1987SoPh..110..237S

Abstract

Time-sequences of line profile data have been subjected to a unique analysis which produces an amplitude and phase of the velocity and intensity at several line depths for each time sample and spatial point on the Sun. The data have been filtered to pass only the frequencies and spatial wavenumbers of the 5-min band. Yet, a secondary oscillation emerges, the phase of which propagates downward. Empirical eigenfunctions for velocity and intensity are given, and the kinetic energy flux is computed.

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Database: Astronomy
Physics
arXiv e-prints