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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…
First performances of the GOLF-NG instrumental prototype observing the Sun in Tenerife
D. Salabert, S. Turck-Chieze, J. C. Barriere +14
The primary challenge of GOLF-NG (Global Oscillations at Low Frequency New Generation) is the detection of the low-frequency solar gravity and acoustic modes, as well as the possib…
Low-frequency solar p modes as seen by GOLF and GONG instruments
D. Salabert, R. A. Garcia
In the case of spatially-revolved helioseismic data (such as MDI, GONG, HMI), the usual mode-fitting analysis consists of fitting the 2l+1 individual m-spectra of a given multiplet…
Variation in p-mode power over solar cycle 23 as seen from BiSON and GOLF observations
R. Simoniello, D. Salabert, R. A. Garcia
We analyzed BiSON and GOLF/SoHO data with a new technique, to investigate p-mode power variation over solar cycle 23. We found a decrease in the mean velocity power of about 20% fo…