Rotation-rate variations at the tachocline: an update
|National Solar Observatory|
|Convection, dynamo and flows|
|Auteur(s) supplémentaire(s)||R. Komm, F. Hill, J. Christensen-Dalsgaard, T. P. Larson, J. Schou, M. J. Thompson|
|Institution(s) supplémentaire(s)||Aarhus University, Stanford University, University of Sheffield|
|The apparent 1.3-year oscillation in the rotation rate at the base of the convection zone, reported by Howe et al. (2000), disappeared after 2001. Has it returned, or is it returning, with the onset of the new solar cycle? We examine the latest results and use statistical tests to assess the significance of the |
correlation between MDI and GONG observations.