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An Analysis of the Solar Rotation Velocity by Tracing Coronal Features

Published online by Cambridge University Press:  13 May 2016

R. Brajša ,
B. Vršnak ,
V. Ruždjak ,
D. Roša ,
D. Hržina ,
H. Wöhl ,
F. Clette  and
J.-F. Hochedez
R. Brajša
Affiliation:
Hvar Observatory, Faculty of Geodesy, University of Zagreb, P. O. B. 164, HR-10001 Zagreb, Croatia
B. Vršnak
Affiliation:
Hvar Observatory, Faculty of Geodesy, University of Zagreb, P. O. B. 164, HR-10001 Zagreb, Croatia
V. Ruždjak
Affiliation:
Hvar Observatory, Faculty of Geodesy, University of Zagreb, P. O. B. 164, HR-10001 Zagreb, Croatia
D. Roša
Affiliation:
Astronomical Observatory, Astronomical Association of Zagreb, Opatička 22, HR-10000 Zagreb, Croatia
D. Hržina
Affiliation:
Astronomical Observatory, Astronomical Association of Zagreb, Opatička 22, HR-10000 Zagreb, Croatia
H. Wöhl
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, Schöneckstr. 6, D-79104 Freiburg, Germany
F. Clette
Affiliation:
Observatoire Royal de Belgique, Departement de Physique Solaire, Avenue Circulaire 3, B-1180 Bruxelles, Belgique
J.-F. Hochedez
Affiliation:
Observatoire Royal de Belgique, Departement de Physique Solaire, Avenue Circulaire 3, B-1180 Bruxelles, Belgique

Abstract

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The solar rotation is determined tracing coronal EUV and soft X-ray bright points, active regions, parts of coronal holes and foot points of coronal loops. Full-disc solar images in the EUV part of the spectrum from the SOHO spacecraft (EIT, Fe XV, 28.4 nm) and from the Yohkoh satellite (SXT, 2 nm) are used.

Type
Session IV: Structure and Dynamics of the Transiton Region and Corona
Information
Symposium - International Astronomical Union , Volume 203: Recent Insights into the Physics of the Sun and Heliosphere: Highlights from Soho and Other Space Missions , 2001 , pp. 377 - 380
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

Brajša, R., Wöhl, H., Kasabašić, M., Rodmann, J., Vršnak, B., Ruždjak, V., Roša, D., Hržina, D., Clette, F., and Hochedez, J.-F. 2000, Hvar Obs. Bull., 24, in press.Google Scholar
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