Coronal voids and their magnetic nature

Autor: Nölke, J. D., Solanki, S. K., Hirzberger, J., Peter, H., Chitta, L. P., Kahil, F., Valori, G., Wiegelmann, T., Suárez, D. Orozco, Albert, K., Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Germerott, D., Guerrero, L., Gutierrez-Marques, P., Kolleck, M., Iniesta, J. C. del Toro, Volkmer, R., Woch, J., Fiethe, B., Cama, J. M. Gómez, Pérez-Grande, I., Kilders, E. Sanchis, Jiménez, M. Balaguer, Rubio, L. R. Bellot, Calchetti, D., Carmona, M., Deutsch, W., Feller, A., Fernandez-Rico, G., Fernández-Medina, A., Parejo, P. García, Blesa, J. L. Gasent, Gizon, L., Grauf, B., Heerlein, K., Korpi-Lagg, A., Lange, T., Jiménez, A. López, Maue, T., Meller, R., Vacas, A. Moreno, Müller, R., Nakai, E., Schmidt, W., Schou, J., Schühle, U., Sinjan, J., Staub, J., Strecker, H., Torralbo, I., Berghmans, D., Kraaikamp, E., Rodriguez, L., Verbeeck, C., Zhukov, A. N., Auchere, F., Buchlin, E., Parenti, S., Janvier, M., Barczynski, K., Harra, L., Schwanitz, C., Cuadrado, R. Aznar, Mandal, S., Teriaca, L., Long, D., Smith, P.

Publikováno v: A&A 678, A196 (2023)

Extreme ultraviolet (EUV) observations of the quiet solar atmosphere reveal extended regions of weak emission compared to the ambient quiescent corona. The magnetic nature of these coronal features is not well understood. We study the magnetic proper

Externí odkaz: http://arxiv.org/abs/2309.09789

Direct assessment of SDO/HMI helioseismology of active regions on the Sun's far side using SO/PHI magnetograms

Autor: Yang, D., Gizon, L., Barucq, H., Hirzberger, J., Suárez, D. Orozco, Albert, K., Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Germerott, D., Guerrero, L., Gutierrez-Marques, P., Kahil, F., Kolleck, M., Solanki, S. K., Iniesta, J. C. del Toro, Volkmer, R., Woch, J., Pérez-Grande, I., Kilders, E. Sanchis, Jiménez, M. Balaguer, Rubio, L. R. Bellot, Calchetti, D., Carmona, M., Deutsch, W., Feller, A., Fernandez-Rico, G., Fernández-Medina, A., Parejo, P. García, Blesa, J. L. Gasent, Grauf, B., Heerlein, K., Korpi-Lagg, A., Lange, T., Jiménez, A. López, Maue, T., Meller, R., Vacas, A. Moreno, Müller, R., Nakai, E., Schmidt, W., Schou, J., Schühle, U., Sinjan, J., Staub, J., Strecker, H., Torralbo, I., Valori, G.

Publikováno v: A&A 674, A183 (2023)

Earth-side observations of solar p modes can be used to image and monitor magnetic activity on the Sun's far side. Here we use magnetograms of the far side obtained by the Polarimetric and Helioseismic Imager (PHI) onboard Solar Orbiter (SO) to direc

Externí odkaz: http://arxiv.org/abs/2305.01594

The ratio of horizontal to vertical displacement in solar oscillations estimated from combined SO/PHI and SDO/HMI observations

Autor: Schou, J., Hirzberger, J., Suárez, D. Orozco, Albert, K., Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Germerott, D., Guerrero, L., Gutierrez-Marques, P., Kahil, F., Kolleck, M., Solanki, S. K., Iniesta, J. C. del Toro, Volkmer, R., Woch, J., Fiethe, B., Pérez-Grande, I., Kilders, E. Sanchis, Jiménez, M. Balaguer, Rubio, L. R. Bellot, Calchetti, D., Carmona, M., Deutsch, W., Feller, A., Fernandez-Rico, G., Fernández-Medina, A., Parejo, P. García, Blesa, J. L. Gasent, Gizon, L., Grauf, B., Heerlein, K., Korpi-Lagg, A., Jiménez, A. López, Maue, T., Meller, R., Vacas, A. Moreno, Müller, R., Nakai, E., Schmidt, W., Sinjan, J., Staub, J., Strecker, H., Torralbo, I., Valori, G.

Publikováno v: A&A 673, A84 (2023)

In order to make accurate inferences about the solar interior using helioseismology, it is essential to understand all the relevant physical effects on the observations. One effect to understand is the (complex-valued) ratio of the horizontal to vert

Externí odkaz: http://arxiv.org/abs/2303.16844

The on-ground data reduction and calibration pipeline for SO/PHI-HRT

Autor: Sinjan, J., Calchetti, D., Hirzberger, J., Suárez, D. Orozco, Albert, K., Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Germerott, D., Guerrero, L., Marquez, P. Gutierrez, Kahil, F., Kolleck, M., Solanki, S. K., Iniesta, J. C. del Toro, Volkmer, R., Woch, J., Fiethe, B., Cama, J. M. Gómez, Pérez-Grande, I., Kilders, E. Sanchis, Jiménez, M. Balaguer, Rubio, L. R. Bellot, Carmona, M., Deutsch, W., Fernandez-Rico, G., Fernández-Medina, A., Parejo, P. García, Blesa, J. L. Gasent, Gizon, L., Grauf, B., Heerlein, K., Korpi-Lagg, A., Lange, T., Jiménez, A. López, Maue, T., Meller, R., Michalik, H., Vacas, A. Moreno, Müller, R., Nakai, E., Schmidt, W., Schou, J., Schühle, U., Staub, J., Strecker, H., Torralbo, I., Valori, G.

Publikováno v: Proc. SPIE 12189, Software and Cyberinfrastructure for Astronomy VII, 121891J (29 August 2022)

The ESA/NASA Solar Orbiter space mission has been successfully launched in February 2020. Onboard is the Polarimetric and Helioseismic Imager (SO/PHI), which has two telescopes, a High Resolution Telescope (HRT) and the Full Disc Telescope (FDT). The

Externí odkaz: http://arxiv.org/abs/2208.14904

The Polarimetric and Helioseismic Imager on Solar Orbiter

Autor: Solanki, S. K., Iniesta, J. C. del Toro, Woch, J., Gandorfer, A., Hirzberger, J., Alvarez-Herrero, A., Appourchaux, T., Pillet, V. Martínez, Pérez-Grande, I., Kilders, E. Sanchis, Schmidt, W., Cama, J. M. Gómez, Michalik, H., Deutsch, W., Fernandez-Rico, G., Grauf, B., Gizon, L., Heerlein, K., Kolleck, M., Lagg, A., Meller, R., Müller, R., Schühle, U., Staub, J., Albert, K., Copano, M. Alvarez, Beckmann, U., Bischoff, J., Busse, D., Enge, R., Frahm, S., Germerott, D., Guerrero, L., Löptien, B., Meierdierks, T., Oberdorfer, D., Papagiannaki, I., Ramanath, S., Schou, J., Werner, S., Yang, D., Zerr, A., Bergmann, M., Bochmann, J., Heinrichs, J., Meyer, S., Monecke, M., Müller, M. -F., Sperling, M., a, D. Álvarez Garcí, Aparicio, B., Jiménez, M. Balaguer, Rubio, L. R. Bellot, Carracosa, J. P. Cobos, Girela, F., Expósito, D. Hernández, Herranz, M., Labrousse, P., Jiménez, A. López, Suárez, D. Orozco, Ramos, J. L., Barandiarán, J., Bastide, L., Campuzano, C., Cebollero, M., Dávila, B., Fernández-Medina, A., Parejo, P. García, Garranzo-García, D., Laguna, H., Martín, J. A., Navarro, R., Peral, A. Núñez, Royo, M., Sánchez, A., Silva-López, M., Vera, I., Villanueva, J., Fourmond, J. -J., de Galarreta, C. Ruiz, Bouzit, M., Hervier, V., Clec'h, J. C. Le, Szwec, N., Chaigneau, M., Buttice, V., Dominguez-Tagle, C., Philippon, A., Boumier, P., Cocguen, R. Le, Baranjuk, G., Bell, A., Berkefeld, Th., Baumgartner, J., Heidecke, F., Maue, T., Nakai, E., Scheiffelen, T., Sigwarth, M., Soltau, D., Volkmer, R., Rodríguez, J. Blanco, Domingo, V., Sabater, A. Ferreres, Blesa, J. L. Gasent, Martínez, P. Rodríguez, Caudel, D. Osorno, Bosch, J., Casas, A., Carmona, M., Herms, A., Roma, D., Alonso, G., omez-Sanjuan, A. G\', Piqueras, J., Torralbo, I., Fiethe, B., Guan, Y., Lange, T., Michel, H., Bonet, J. A., Fahmy, S., Müller, D., Zouganelis, I.

Publikováno v: A&A 642, A11 (2020)

This paper describes the Polarimetric and Helioseismic Imager on the Solar Orbiter mission (SO/PHI), the first magnetograph and helioseismology instrument to observe the Sun from outside the Sun-Earth line. It is the key instrument meant to address t

Externí odkaz: http://arxiv.org/abs/1903.11061