We investigate the structure in depth of a sunspot penumbra by means of the inversion code of the radiative transfer equation proposed by Ruiz Cobo & del Toro...
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PublicaciónOn the temperature and velocity through the photosphere of a sunspot penumbra
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PublicaciónPhase differences between irradiance and velocity low degree solar acoustic modes revisted
Sine 1984, simultaneous observations of irradiance and velocity solar acoustic modes, have been carried out by several authors in order to measure the phase...
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PublicaciónPhotometry of sunspot penumbrae
The authors present the results of a statistical analysis of the penumbra of sunspots. The intensity distribution, and several parameters derived from it, is...
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PublicaciónRadiative transfer for polarized light - Equivalence between Stokes parameters and coherency matrix formalisms
Abstract image available at: http://cdsads.u-strasbg.fr/abs/1992SoPh..137....1S
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CharlaSOLAR COMPOSITION AS A REFERENCE FOR STARS
The solar abundance of chemical elements play an important role in addressing such important issues as the formation, structure, and evolution of the Sun and...
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PublicaciónSolar observations: Techniques and interpretation
This book includes four chapters devoted to techniques and interpretation of solar observations. The chapter on high spatial resolution techniques considers...
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PublicaciónSolar oscillations as seen in the NaI and KI absorption lines
Data on the solar p modes observed simultaneously in the solar NaI and KI absorption lines were obtained in 1985 by operating two independent resonant...
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PublicaciónSpectroscopic determination of intensities of umbral bright features and adjacent background
Profiles of the Na I D doublet in three bright features (clusters of umbral dots), located in a relatively dark umbra, were analyzed by means of the 'local two...
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PublicaciónThe continuum intensity-magnetic field relation in sunspot umbrae
We describe the work carried out to obtain observational evidence of a local relation between the temperature and the magnetic field in different regions of...