The magnetic field is the key physical quantity responsible for the formation, stability, and evolution of solar prominences (ribbons of cool dense gas embedded...
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PublicaciónDetermination of the Magnetic Field Vector via the Hanle and Zeeman Effects in the He I λ10830 Multiplet: Evidence for Nearly Vertical Magnetic Fields in a Polar Crown Prominence
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PublicaciónDetermining the dynamics and magnetic fields in He I 10830 Å during a solar filament eruption
Aims: We investigate the dynamics and magnetic properties of the plasma, including the line-of-sight velocity (LOS) and optical depth, as well as the vertical...
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PublicaciónDiagnostic capabilities of spectropolarimetric observations for understanding solar phenomena. I. Zeeman-sensitive photospheric lines
Future ground-based telescopes will expand our capabilities for simultaneous multi-line polarimetric observations in a wide range of wavelengths, from the near...
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PublicaciónDiagnostic methods based on scattering polarization and the joint action of the Hanle and Zeeman effects
Polarized light provides the most reliable source of information at our disposal for diagnosing the physical properties of astrophysical plasmas, including the...
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PublicaciónDiagnostic potential of the Ca II 8542 Å line for solar filaments
Aims: In this study we explore the diagnostic potential of the chromospheric Ca II line at 8542 Å for studying the magnetic and dynamic properties of solar...
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PublicaciónDiagnostics for spectropolarimetry and magnetography
An assessment on the capabilities of modern spectropolarimeters and magnetographs is in order since most of our astrophysical results rely upon the accuracy of...
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PublicaciónDichroic Masers Due to Radiation Anisotropy and the Influence of the Hanle Effect on the Circumstellar SiO Polarization
The theory of the generation and transfer of polarized radiation, mainly developed for interpreting solar spectropolarimetric observations, allows us to...
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PublicaciónDirect Imaging of Fine Structure in the Chromosphere of a Sunspot Umbra
High-resolution imaging observations from the Hinode spacecraft in the Ca II H line are employed to study the dynamics of the chromosphere above a sunspot. We...
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PublicaciónDiscovery of Hα satellite emission in a low state of the SW Sextantis star BB Doradus
BB Dor was observed during its low state in 2009. Signatures of both binary components are revealed in the average optical spectrum; no signature of accretion...