The physics of a twisted magnetic flux tube rising in a stratified medium is studied using a numerical MHD code. The problem considered is fully compressible...
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PublicationThe Physics of Twisted Magnetic Tubes Rising in a Stratified Medium: Two-dimensional Results
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PublicationThe Polarimetric and Helioseismic Imager on Solar Orbiter
Aims: This paper describes the Polarimetric and Helioseismic Imager on the Solar Orbiter mission (SO/PHI), the first magnetograph and helioseismology instrument...
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PublicationThe polarization angle in the wings of Ca I 4227: A new observable for diagnosing unresolved photospheric magnetic fields
Context. When observed in quiet regions close to the solar limb, many strong resonance lines show conspicuous linear polarization signals, produced by...
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PublicationThe Polarization Signature of Photospheric Magnetic Fields in 3D MHD Simulations and Observations at Disk Center
Before using three-dimensional (3D) magnetohydrodynamical (MHD) simulations of the solar photosphere in the determination of elemental abundances, one has to...
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PublicationThe Polarization-Free Approximation Applied to Multi-Level Non-LTE Radiative Transfer
The polarization-free (POF) approximation (Trujillo Bueno and Landi Degl'Innocenti, 1996) is capable of accounting for the approximate influence of the magnetic...
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PublicationThe Possible Ascent of a Closed Magnetic System through the Photosphere
We present a comprehensive interpretation of the evolution of a small magnetic region observed during its entire disk passage. The vector magnetic field...
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PublicationThe possible origin of facular brightness in the solar atmosphere
This paper studies the dependence of the Ca ii H line core brightness on the strength and inclination of the photospheric magnetic field, and on the parameters...
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PublicationThe profuse optically-thin irregularities of the photospheric magnetic fields
The highly irregular nature of most photospheric magnetic fields is analyzed here, trying to emphasize the connection between photospheric fluctuations and...
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PublicationThe quiet Sun magnetic field observed with ZIMPOL on THEMIS. I. The probability density function
Context: The quiet Sun magnetic field probability density function (PDF) remains poorly known. Modeling this field also introduces a magnetic filling factor...