Spectropolarimetric investigation of magnetohydrodynamic wave modes in the 
photosphere: First results from PHI on board Solar Orbiter

Calchetti, D.; Stangalini, M.; Jafarzadeh, S.; Valori, G.; Albert, K.; Albelo, Jorge N.; Alvarez-Herrero, A.; Appourchaux, T.; Balaguer Jiménez, M.; Bellot Rubio, L. R.; Blanco Rodríguez, J.; Feller, A.; Gandorfer, A.; Germerott, D.; Gizon, L.; Guerrero, Lucas; Gutierrez-Marques, P.; Hirzberger, J.; Kahil, F.; Kolleck, M.; Korpi-Lagg, A.; Moreno Vacas, A.; Orozco Suárez, D.; Pérez-Grande, I.; Sanchis Kilders, E.; Schou, J.; Schühle, U.; Sinjan, J.; Solanki, S. K.; Staub, Jan; Strecker, H.; del Toro Iniesta, J. C.; Volkmer, R.; Woch, J.

doi:10.1051/0004-6361/202245826

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Spectropolarimetric investigation of magnetohydrodynamic wave modes in the photosphere: First results from PHI on board Solar Orbiter

MPS-Authors

/persons/resource/persons283892

Calchetti, D.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

Stangalini, M.
Max Planck Society;

Jafarzadeh, S.
Max Planck Society;

/persons/resource/persons274392

Valori, G.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons231801

Albert, K.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons291346

Albelo, Jorge N.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

Alvarez-Herrero, A.
Max Planck Society;

Appourchaux, T.
Max Planck Society;

Balaguer Jiménez, M.
Max Planck Society;

Bellot Rubio, L. R.
Max Planck Society;

Blanco Rodríguez, J.
Max Planck Society;

/persons/resource/persons103910

Feller, A.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103917

Gandorfer, A.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103923

Germerott, D.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103925

Gizon, L.
Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons291348

Guerrero, Lucas
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103944

Gutierrez-Marques, P.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103966

Hirzberger, J.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons209278

Kahil, F.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons104018

Kolleck, M.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons104044

Korpi-Lagg, A.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

Moreno Vacas, A.
Max Planck Society;

Orozco Suárez, D.
Max Planck Society;

Pérez-Grande, I.
Max Planck Society;

Sanchis Kilders, E.
Max Planck Society;

/persons/resource/persons129829

Schou, J.
Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons104197

Schühle, U.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons292210

Sinjan, J.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons104218

Solanki, S. K.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons104226

Staub, Jan
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

Strecker, H.
Max Planck Society;

del Toro Iniesta, J. C.
Max Planck Society;

Volkmer, R.
Max Planck Society;

/persons/resource/persons104296

Woch, J.
Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;

External Resource

https://ui.adsabs.harvard.edu/abs/2023A&A...674A.109C
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引用

Calchetti, D., Stangalini, M., Jafarzadeh, S., Valori, G., Albert, K., Albelo, J. N., Alvarez-Herrero, A., Appourchaux, T., Balaguer Jiménez, M., Bellot Rubio, L. R., Blanco Rodríguez, J., Feller, A., Gandorfer, A., Germerott, D., Gizon, L., Guerrero, L., Gutierrez-Marques, P., Hirzberger, J., Kahil, F., Kolleck, M., Korpi-Lagg, A., Moreno Vacas, A., Orozco Suárez, D., Pérez-Grande, I., Sanchis Kilders, E., Schou, J., Schühle, U., Sinjan, J., Solanki, S. K., Staub, J., Strecker, H., del Toro Iniesta, J. C., Volkmer, R., & Woch, J. (2023). Spectropolarimetric investigation of magnetohydrodynamic wave modes in the photosphere: First results from PHI on board Solar Orbiter. Astronomy and Astrophysics, 674, A109. doi:10.1051/0004-6361/202245826.

引用: https://hdl.handle.net/21.11116/0000-000D-8663-C

要旨

Context. In November 2021, Solar Orbiter started its nominal mission phase. The remote-sensing instruments on board the spacecraft acquired scientific data during three observing windows surrounding the perihelion of the first orbit of this phase.
Aims: The aim of the analysis is the detection of magnetohydrodynamic (MHD) wave modes in an active region by exploiting the capabilities of spectropolarimetric measurements. Mthods. The High Resolution Telescope (HRT) of the Polarimetric and Helioseismic Imager (SO/PHI) on board the Solar Orbiter acquired a high-cadence data set of an active region. This is studied in the paper. B-ω and phase-difference analyses are applied on line-of-sight velocity and circular polarization maps and other averaged quantities.
Results: We find that several MHD modes at different frequencies are excited in all analysed structures. The leading sunspot shows a linear dependence of the phase lag on the angle between the magnetic field and the line of sight of the observer in its penumbra. The magnetic pore exhibits global resonances at several frequencies, which are also excited by different wave modes.
Conclusions: The SO/PHI measurements clearly confirm the presence of magnetic and velocity oscillations that are compatible with one or more MHD wave modes in pores and a sunspot. Improvements in modelling are still necessary to interpret the relation between the fluctuations of different diagnostics.