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6 papers
Impact of low-frequency p modes on the inversions of the internal rotation of the Sun
D. Salabert, A. Eff-Darwich, R. Howe +1
We used the m-averaged spectrum technique ("collapsogram") to extract the low-frequency solar p-mode parameters of low- and intermediate-angular degrees (l \leq 35) in long time se…
What can we learn on the structure and the dynamics of the solar core with g modes?
S. Mathur, J. Ballot, A Eff-Darwich +4
The detection of the signature of dipole gravity modes has opened the path to study the solar inner radiative zone. Indeed, g modes should be the best probes to infer the propertie…
Analysis of MDI High-Degree Mode Frequencies and their Rotational Splittings
M. C. Rabello-Soares, S. G. Korzennik, J. Schou
Here we present a detailed analysis of solar acoustic mode frequencies and their rotational splittings for modes with degree up to 900. They were obtained by applying spherical har…
Influence of Low-Degree High-Order p-Mode Splittings on the Solar Rotation Profile
R. A. Garcia, S. Mathur, J. Ballot +3
The solar rotation profile is well constrained down to about 0.25 R thanks to the study of acoustic modes. Since the radius of the inner turning point of a resonant acoustic mode i…
Variations of the Solar Acoustic High-Degree Mode Frequencies over Solar Cycle 23
M. C. Rabello-Soares, S. G. Korzennik, J. Schou
Using full-disk observations obtained with the Michelson Doppler Imager (MDI) on board the Solar and Heliospheric Observatory (SOHO) spacecraft, we present variations of the solar…
A Mode Fitting Methodology Optimized for Very Long Time Series
S. G. Korzennik
I describe and present the results of a newly developed fitting methodology optimized for very long time series. The development of this new methodology was motivated by the fact t…