Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Krupar, Vratislav"'
Autor:
Vecchio, Antonio, Maksimovic, Milan, Chrysaphi, Nicolina, Kontar, Eduard P., Krupar, Vratislav
Publikováno v:
The Astrophysical Journal Letters, 974:L18 (18pp), 2024 October 10
Radio observations from space allow to characterize solar radio bursts below the ionospheric cutoff, which are otherwise inaccessible, but suffer from low, insufficient temporal resolution. In this Letter we present novel, high-temporal resolution ob
Externí odkaz:
http://arxiv.org/abs/2410.18765
Autor:
Chen, Xingyao, Kontar, Eduard P., Chrysaphi, Nicolina, Zhang, Peijin, Krupar, Vratislav, Musset, Sophie, Maksimovic, Milan, Jeffrey, Natasha L. S., Azzollini, Francesco, Vecchio, Antonio
Publikováno v:
A&A 680, A1 (2023)
Interplanetary solar radio type III bursts provide the means for remotely studying and tracking energetic electrons propagating in the interplanetary medium. Due to the lack of direct radio source imaging, several methods have been developed to deter
Externí odkaz:
http://arxiv.org/abs/2306.09160
Autor:
Jebaraj, Immanuel Christopher, Kouloumvakos, Athanasios, Dresing, Nina, Warmuth, Alexander, Wijsen, Nicolas, Palmroos, Christian, Gieseler, Jan, Vainio, Rami, Krupar, Vratislav, Magdalenic, Jasmina, Wiegelmann, Thomas, Schuller, Frederic, Battaglia, Andrea, Fedeli, Annamaria
Publikováno v:
A&A 675, A27 (2023)
We study the solar energetic particle (SEP) event observed on 9 October 2021, by multiple spacecraft including Solar Orbiter (SolO). The event was associated with an M1.6 flare, a coronal mass ejection (CME) and a shock wave. During the event, high-e
Externí odkaz:
http://arxiv.org/abs/2301.03650
Autor:
Zhang, Jinge, Reid, Hamish A. S., Krupar, Vratislav, Zucca, Pietro, Dabrowski, Bartosz, Krankowski, Andrzej
Large coronal loops around one solar radius in altitude are an important connection between the solar wind and the low solar corona. However, their plasma properties are ill-defined as standard X-ray and UV techniques are not suited to these low-dens
Externí odkaz:
http://arxiv.org/abs/2212.02161
Autor:
Jebaraj, Immanuel C., Magdalenić, Jasmina, Krasnoselskikh, Vladimir, Krupar, Vratislav, Poedts, Stefaan
Publikováno v:
A&A 670, A20 (2023)
Context: The last few decades has seen numerous studies dedicated to fine structures of type III radio bursts observed in the metric to decametric wavelengths. Majority of explanations of the structured radio emission involve the propagation of elect
Externí odkaz:
http://arxiv.org/abs/2209.12333
Autor:
Raja, K. Sasikumar, Maksimovic, Milan, Kontar, Eduard P., Bonnin, Xavier, Zarka, Philippe, Lamy, Laurent, Reid, Hamish, Vilmer, Nicole, Lecacheux, Alain, Krupar, Vratislav, Cecconi, Baptiste, Nora, Lahmiti, Denis, Laurent
We present the statistical analysis of the spectral response of solar radio type III bursts over the wide frequency range between 20 kHz and 410 MHz. For this purpose, we have used observations that were carried out using both spaced-based (Wind/Wave
Externí odkaz:
http://arxiv.org/abs/2110.10935
Autor:
Jebaraj, Immanuel Christopher, Magdalenic, Jasmina, Podladchikova, Tatiana, Scolini, Camilla, Pomoell, Jens, Veronig, Astrid, Dissauer, Karin, Krupar, Vratislav, Kilpua, Emilia, Poedts, Stefaan
Publikováno v:
A&A 639, A56 (2020)
Context: Eruptive events such as coronal mass ejections (CMEs) and flares accelerate particles and generate shock waves which can arrive at Earth and can disturb the magnetosphere. Understanding the association between CMEs and CME-driven shocks is t
Externí odkaz:
http://arxiv.org/abs/2006.04586
Density Fluctuations in the Solar Wind Based on Type III Radio Bursts Observed by Parker Solar Probe
Autor:
Krupar, Vratislav, Szabo, Adam, Maksimovic, Milan, Kruparova, Oksana, Kontar, Eduard P., Balmaceda, Laura A., Bonnin, Xavier, Bale, Stuart D., Pulupa, Marc, Malaspina, David M., Bonnell, John W., Harvey, Peter R., Goetz, Keith, de Wit, Thierry Dudok, MacDowall, Robert J., Kasper, Justin C., Case, Anthony W., Korreck, Kelly E., Larson, Davin E., Livi, Roberto, Stevens, Michael L., Whittlesey, Phyllis L., Hegedus, Alexander M.
Radio waves are strongly scattered in the solar wind, so that their apparent sources seem to be considerably larger and shifted than the actual ones. Since the scattering depends on the spectrum of density turbulence, better understanding of the radi
Externí odkaz:
http://arxiv.org/abs/2001.03476
Autor:
Martínez-Oliveros, Juan Carlos, Castillo, Saida Milena Diaz, Krupar, Vratislav, Pulupa, Marc, Bale, Stuart D., Mozo, Benjamin Calvo
We report and examine the observation of an unusual and rare in-situ electron observation associated with a solar type III radio burst on 24 December 1996. This radio event was accompanied by high energy electrons, measured by the Solid State Telesco
Externí odkaz:
http://arxiv.org/abs/1910.04306
Autor:
Kontar, Eduard P., Chen, Xingyao, Chrysaphi, Nicolina, Jeffrey, Natasha L. S., Emslie, A. Gordon, Krupar, Vratislav, Maksimovic, Milan, Gordovskyy, Mykola, Browning, Philippa K.
The observed properties (i.e., source size, source position, time duration, decay time) of solar radio emission produced through plasma processes near the local plasma frequency, and hence the interpretation of solar radio bursts, are strongly influe
Externí odkaz:
http://arxiv.org/abs/1909.00340