Frequencies, powers and damping rates of the solar p modes are all observed to vary over the 11-yr solar activity cycle. Here, we show that simultaneous...
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PublicaciónA devil in the detail: parameter cross-talk from the solar cycle and estimation of solar p-mode frequencies
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PublicaciónA Distant Mirror: Solar Oscillations Observed on Neptune by the Kepler K2 Mission
Starting in 2014 December, Kepler K 2 observed Neptune continuously for 49 days at a 1 minute cadence. The goals consisted of studying its atmospheric dynamics...
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PublicaciónA Full-Sun Magnetic Index from Helioseismology Inferences
Solar magnetic indices are used to model the solar irradiance and ultimately to forecast it. However, the observation of such indices is generally limited to...
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PublicaciónA search for solar g modes in the GOLF data
With over 5 years of GOLF data having some 90% continuity, a new attempt has been made to search for possible solar g modes. Statistical methods are used, based...
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PublicaciónA Seismic Signature of a Second Dynamo?
The Sun is a variable star whose magnetic activity varies most perceptibly on a timescale of approximately 11 years. However, significant variation is also...
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PublicaciónActive Region Morphologies Selected from Near-side Helioseismic Data
We estimate the morphology of near-side active regions using near-side helioseismology. Active regions from two data sets, Air Force Data Assimilative...
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PublicaciónActual Status and Early Results from GOLF Experiment on-board SOHO
GOLF is a resonant scattering spectrophotomer which is flying onboard SOHO. The first four months were dedicated to the commissioning and calibration of the...
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PublicaciónAdvances in solar rotation rate inferences: Unstructured grid inversions and improved rotational splittings
We present a new inversion methodology that adapts the inversion grid in both radius and co-latitude to the data set and solves the inversion problem through an...
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PublicaciónAn Estimation of the Acoustic Cutoff Frequency of the Sun Based on the Properties of the Low-Degree Pseudomodes
The acoustic cutoff frequency (νac) is an important atmospheric parameter whose estimation has in the past been based on the study of power spectra that have...