Zobrazeno 1 - 10
of 2 613
pro vyhledávání: '"Valori, A"'
Dark sectors provide beyond Standard Model scenarios which can address unresolved puzzles, such as the observed dark matter abundance or the baryon asymmetry of the Universe. A naturally small portal to the dark sector is obtained if dark-sector inte
Externí odkaz:
http://arxiv.org/abs/2407.21100
Despite its well-known security issues, the Controller Area Network (CAN) is still the main technology for in-vehicle communications. Attackers posing as diagnostic services or accessing the CAN bus can threaten the drivers' location privacy to know
Externí odkaz:
http://arxiv.org/abs/2407.00585
Autor:
Baker, D., van Driel-Gesztelyi, L., James, A. W., Demoulin, P., To, A. S. H., Murabito, M., Long, D. M., Brooks, D. H., McKevitt, J., Laming, J. M., Green, L. M., Yardley, S. L., Valori, G., Mihailescu, T., Matthews, S. A., Kuniyoshi, H.
Within the coronae of stars, abundances of those elements with low first ionization potential (FIP) often differ from their photospheric values. The coronae of the Sun and solar-type stars mostly show enhancements of low-FIP elements (the FIP effect)
Externí odkaz:
http://arxiv.org/abs/2405.07755
Autor:
Jafarzadeh, S., Schiavo, L. A. C., Fedun, V., Solanki, S. K., Stangalini, M., Calchetti, D., Verth, G., Jess, D. B., Grant, S. D. T., Ballai, I., Gafeira, R., Keys, P. H., Fleck, B., Morton, R. J., Browning, P. K., Silva, S. A., Appourchaux, T., Gandorfer, A., Gizon, L., Hirzberger, J., Kahil, F., Suárez, D. Orozco, Schou, J., Strecker, H., Iniesta, J. C. del Toro, Valori, G., Volkmer, R., Woch, J.
Publikováno v:
A&A 688, A2 (2024)
Solar pores are intense concentrations of magnetic flux that emerge through the Sun's photosphere. When compared to sunspots, they are much smaller in diameter and hence can be impacted and buffeted by neighbouring granular activity to generate signi
Externí odkaz:
http://arxiv.org/abs/2404.18717
Publikováno v:
A&A 687, A13 (2024)
Torsional Alfv\'en waves do not produce any intensity variation and are, therefore, challenging to observe with imaging instruments. Previously, Alfv\'en wave observations were reported throughout all the layers of the solar atmosphere using spectral
Externí odkaz:
http://arxiv.org/abs/2404.10577
Autor:
Murabito, Mariarita, Stangalini, Marco, Laming, J. Martin, Baker, Deborah, To, Andy S. H., Long, David M., Brooks, David H., Jafarzadeh, Shahin, Jess, David B., Valori, Gherardo
We investigate the propagation of Alfv\'en waves in the solar chromosphere, distinguishing between upward and downward propagating waves. We find clear evidence for the reflection of waves in the chromosphere and differences in propagation between ca
Externí odkaz:
http://arxiv.org/abs/2404.08305
Accurate models of turbulent buoyant flows are essential for the design of nuclear reactors thermal hydraulics and passive safety systems. However, available models fail to fully capture the physics of turbulent mixing when buoyancy becomes predomina
Externí odkaz:
http://arxiv.org/abs/2402.16610
Autor:
Yeo, K. L., Krivova, N. A., Solanki, S. K., Hirzberger, J., Suárez, D. Orozco, Albert, K., Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Gutierrez-Marques, P., Kahil, F., Kolleck, M., 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., Feller, A., Fernandez-Rico, G., Fernández-Medina, A., Parejo, P. García, Blesa, J. L. Gasent, Gizon, L., Grauf, B., Heerlein, K., Korpi-Lagg, A., Maue, T., Meller, R., Vacas, A. Moreno, Müller, R., Nakai, E., Schmidt, W., Schou, J., Sinjan, J., Staub, J., Strecker, H., Torralbo, I., Valori, G.
Publikováno v:
A&A 679, A25 (2023)
Solar irradiance variability has been monitored almost exclusively from the Earth's perspective. {We present a method to combine the unprecedented observations of the photospheric magnetic field and continuum intensity from outside the Sun-Earth line
Externí odkaz:
http://arxiv.org/abs/2309.16355
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
Autor:
Albert, K., Krivova, N. A., Hirzberger, J., Solanki, S. K., Vacas, A. Moreno, Suárez, D. Orozco, Jorge, N. Albelo, Appourchaux, T., Alvarez-Herrero, A., Rodríguez, J. Blanco, Gandorfer, A., Gutierrez-Marques, P., Kahil, F., Kolleck, M., Volkmer, R., Iniesta, J. C. del Toro, Woch, J., Fiethe, B., Pérez-Grande, I., Kilders, E. Sanchis, Jiménez, M. Balaguer, Rubio, L. R. Bellot, Calchetti, D., Carmona, M., 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., Müller, R., Nakai, E., Schmidt, W., Schou, J., Sinjan, J., Staub, J., Strecker, H., Torralbo, I., Valori, G.
Publikováno v:
A&A 678, A163 (2023)
The brightness of faculae and network depends on the angle at which they are observed and the magnetic flux density. Close to the limb, assessment of this relationship has until now been hindered by the increasingly lower signal in magnetograms. This
Externí odkaz:
http://arxiv.org/abs/2309.01474