Zobrazeno 1 - 10
of 1 229
pro vyhledávání: '"Reale F."'
Autor:
Cozzo, G., Reid, J., Pagano, P., Reale, F., Testa, P., Hood, A. W., Argiroffi, C., Petralia, A., Alaimo, E., D'Anca, F., Sciortino, L., Todaro, M., Cicero, U. Lo, Barbera, M., De Pontieu, B., Martinez-Sykora, J.
MHD kink instability can trigger the fragmentation of a twisted magnetic flux tube into small-scale current sheets that dissipate as aperiodic impulsive heating events. This instability propagates as an avalanche to nearby flux tubes and leads to a n
Externí odkaz:
http://arxiv.org/abs/2406.11701
Publikováno v:
A&A 678, A40 (2023)
A possible key element for large-scale energy release in the solar corona is an MHD kink instability in a single twisted magnetic flux tube. An initial helical current sheet fragments in a turbulent way into smaller-scale sheets, similarly to a nanof
Externí odkaz:
http://arxiv.org/abs/2306.06047
Autor:
Pillitteri, I., Argiroffi, C., Maggio, A., Micela, G., Benatti, S., Reale, F., Colombo, S., Wolk, S. J.
Publikováno v:
A&A 666, A198 (2022)
Abridged. We observed the 40 Myr old star DS Tuc A with XMM-Newton and recorded two X-ray bright flares, with the second event occurring about 12 ks after the first one. Their duration from the rise to the end of the decay was of about 8-10 ks in sof
Externí odkaz:
http://arxiv.org/abs/2208.07415
Autor:
Romoli, M., Antonucci, E., Andretta, V., Capuano, G. E., Da Deppo, V., De Leo, Y., Downs, C., Fineschi, S., Heinzel, P., Landini, F., Liberatore, A., Naletto, G., Nicolini, G., Pancrazzi, M., Sasso, C., Spadaro, D., Susino, R., Telloni, D., Teriaca, L., Uslenghi, M., Wang, Y. M., Bemporad, A., Capobianco, G., Casti, M., Fabi, M., Frassati, F., Frassetto, F., Giordano, S., Grimani, C., Jerse, G., Magli, E., Massone, G., Messerotti, M., Moses, D., Pelizzo, M. G., Romano, P., Schühle, U., Slemer, A., Stangalini, M., Straus, T., Volpicelli, C. A., Zangrilli, L., Zuppella, P., Abbo, L., Auchére, F., Cuadrado, R. Aznar, Berlicki, A., Bruno, R., Ciaravella, A., D'Amicis, R., Lamy, P., Lanzafame, A., Malvezzi, A. M., Nicolosi, P., Nisticò, G., Peter, H., Plainaki, C., Poletto, L., Reale, F., Solanki, S. K., Strachan, L., Tondello, G., Tsinganos, K., Velli, M., Ventura, R., Vial, J. C., Woch, J., Zimbardo, G.
Publikováno v:
A&A, 2021, Forthcoming article
The investigation of the wind in the solar corona initiated with the observations of the resonantly scattered UV emission of the coronal plasma obtained with UVCS-SOHO, designed to measure the wind outflow speed by applying the Doppler dimming diagno
Externí odkaz:
http://arxiv.org/abs/2106.13344
Autor:
Matsakos T., Chièze J.-P., Stehlé C., González M., Ibgui L., de Sá L., Lanz T., Orlando S., Bonito R., Argiroffi C., Reale F., Peres G.
Publikováno v:
EPJ Web of Conferences, Vol 64, p 04003 (2014)
The dynamics of YSO accretion shocks is determined by radiative processes as well as the strength and structure of the magnetic field. A quasi-periodic emission signature is theoretically expected to be observed, but observations do not confirm any s
Externí odkaz:
https://doaj.org/article/3f3ea43979904458b868767b77f6bb37
Autor:
Bemporad, A., Abbo, L., Barghini, D., Benna, C., Biondo, R., Bonino, D., Capobianco, G., Carella, F., Cora, A., Fineschi, S., Frassati, F., Gardiol, D., Giordano, S., Liberatore, A., Mancuso, S., Mignone, A., Rasetti, S., Reale, F., Riva, A., Salvati, F., Susino, R., Volpicelli, A., Zangrilli, L.
Publikováno v:
Published in the INAF Technical Reports series, num. 40, 2020 (https://openaccess.inaf.it/handle/20.500.12386/27715)
SWELTO -- Space WEather Laboratory in Turin Observatory is a conceptual framework where new ideas for the analysis of space-based and ground-based data are developed and tested. The input data are (but not limited to) remote sensing observations (EUV
Externí odkaz:
http://arxiv.org/abs/2101.07037
We model the time dependent radio emission from a disk accretion event in a T-Tauri star using 3D, ideal magnetohydrodynamic simulations combined with a gyrosynchrotron emission and radiative transfer model. We predict for the first time, the multi-f
Externí odkaz:
http://arxiv.org/abs/2006.05570
Autor:
Argiroffi, C., Reale, F., Drake, J. J., Ciaravella, A., Testa, P., Bonito, R., Miceli, M., Orlando, S., Peres, G.
Coronal mass ejections (CMEs), often associated with flares, are the most powerful magnetic phenomena occurring on the Sun. Stars show magnetic activity levels up to 10^4 times higher, and CME effects on stellar physics and circumstellar environments
Externí odkaz:
http://arxiv.org/abs/1905.11325
Autor:
Pillitteri, I., Sciortino, S., Reale, F., Micela, G., Argiroffi, C., Flaccomio, E., Stelzer, B.
Publikováno v:
A&A 623, A67 (2019)
[Abridged] We investigated the X-ray characteristics of the Class I YSO Elias 29 with joint XMM-Newton and NuSTAR observations of 300 ks and 450 ks, respectively. These are the first observations of a very young (<1 Myr) stellar object in a band enco
Externí odkaz:
http://arxiv.org/abs/1901.07814
Autor:
Guarcello, M. G., Micela, G., Sciortino, S., Lopez-Santiago, J., Argiroffi, C., Reale, F., Flaccomio, E., Alvarado-Gomez, J. D., Antoniou, V., Drake, J. J., Pillitteri, I., Rebull, L. M., Stauffer, J.
Publikováno v:
A&A 622, A210 (2019)
Flares are powerful events ignited by a sudden release of magnetic energy. With the aim of studying flares in the 125-Myr-old stars in the Pleiades observed simultaneously in optical and X-ray light, we obtained new XMM-Newton observations of this cl
Externí odkaz:
http://arxiv.org/abs/1901.07263