Context. Far-side helioseismology is a technique used to infer the presence of active regions in the far hemisphere of the Sun based on the interpretation of...
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PublicaciónPerformance of solar far-side active region neural detection
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PublicaciónPhase and Gain Relations between Low-Degree Intensity and Velocity Acoustic Modes during the Solar Activity Cycle
Phase and gain relations between low-degree acoustic modes measured as intensity and velocity fluctuations have been carried out using various instruments and...
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PublicaciónPhase difference between irradiance and velocity in low degree solar p-modes
Phase differences between irradiance and full-disk velocity variations are derived for l = 0, 1, and 2 modes with order ranging from 11 up to 30 (1.8-4.3 mHz)...
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PublicaciónPhase differences between luminosity and velocity measurements of the acoustic modes
With two photometric stations (Tenerife and Baja California) the luminosity p-mode spectrum at different wavelengths has been identified. After a coherence...
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PublicaciónPropagating Waves Transverse to the Magnetic Field in a Solar Prominence
We report an unusual set of observations of waves in a large prominence pillar that consist of pulses propagating perpendicular to the prominence magnetic field...
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PublicaciónSeismic Holography of the Solar Interior near the Maximum and Minimum of Solar Activity
The base of the convection zone and the tachocline play a major role in the study of the dynamics of the Sun, especially in the solar dynamo. Here, we present a...
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PublicaciónSensitivity of helioseismic gravity modes to the dynamics of the solar core
Context: The dynamics of the solar core cannot be properly constrained through the analysis of acoustic oscillation modes. Gravity modes (g modes) are necessary...
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PublicaciónSignature of the solar cycle in the low degree p-modes using Mark-I
High quality observations of the low degree p-modes exist for almost two complete solar cycles using the solar spectrophotometer Mark-I, located and operating...
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PublicaciónSolar cycle induced variations of the low L solar acoustic spectrum
Doppler velocity data are used to study solar cycle variation of the frequencies of solar acoustic oscillations from 1977 to 1988. The results show a clear...