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Coherence Analysis of Photospheric Line Parameters in Active and Non-Active Solar Regions

Published online by Cambridge University Press:  12 April 2016

Arnold Hanslmeier ,
Wolfgang Mattig  and
Anastasios Nesis
Arnold Hanslmeier
Affiliation:
Institut f. Astronomie, Univ.-Platz 5, A-8010 Graz, Austria
Wolfgang Mattig
Affiliation:
Kiepenheuer Institut, Schöneckstr. 6, D-7800 Freiburg, Germany
Anastasios Nesis
Affiliation:
Kiepenheuer Institut, Schöneckstr. 6, D-7800 Freiburg, Germany

Abstract

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Examples of coherence functions between continuum intensity and line center velocity fluctuations are discussed for non active and active regions. It seems that the magnetic field leads to a different phase shift between intensity and velocity fluctuations than for non active regions.

Keywords

Convectionsolar granulationactive and non active regions
Type
Session 1. Structure of Active Regions
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 36 - 39
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

Hanslmeier, A., Nesis, A., Mattig, W. 1991, Astr. Ap., 251, 307.Google Scholar
Hanslmeier, A., Nesis, A., Mattig, W. 1992, to be submitted to Astr. Ap., .Google Scholar
Hanslmeier, A., Nesis, A., Mattig, W. 1990, Astr. Ap., 248, 232.Google Scholar
Mattig, W., Mehltretter, J.P., Nesis, A. 1981, Astr. Ap., 96, 96.Google Scholar