Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Soida, Marian"'
Autor:
Frequencies, Committee on Radio Astronomy, Winkel, Benjamin, Garrington, Simon, Colomer, Francesco, Madkour, Waleed, Slowikowska, Agnieszka, Bolli, Pietro, Lindqvist, Michael, López-Pérez, José Antonio, Tangen, Leif Morten, Thomas, Ivan, Thomasson, Peter, Witvers, Roel, McCauley, Joe, Bautista, Marta, Bergano, Miguel, Bezrukovs, Vladislavs, Giovanardi, Fabio, Hase, Hayo, Jiricka, Karel, Józsa, Gyula I. G., Kallunki, Juha, Marqué, Christophe, McKay, Derek, Murk, Axel, Pietu, Vincent, Tornatore, Vincenza, Sethole, Busang, Soida, Marian, Sorokin, Boris, Tan, Gie Han, Tiplady, Adrian, Tóth, L. Viktor, Di Vruno, Federico, Wampfler, Susanne, Williams, Andrew, Yerin, Serge, Bray, Justin, Jessner, Axel, Gizani, Nectaria, Monstein, Christian, Peel, Mike, Ferreira, João Salmim, Smith, Harry, Veldes, Giorgios P., Wolak, Pawel
The Committee on Radio Astronomy Frequencies (CRAF) is an Expert Committee of the European Science Foundation. It aims to provide a cost-effective single voice on frequency protection issues for European radio astronomy observatories and research ins
Externí odkaz:
http://arxiv.org/abs/2310.13407
Autor:
Basu, Rahul, Lewandowski, Wojciech, Kijak, Jarosław, Śmierciak, Bartosz, Soida, Marian, Błaszkiewicz, Leszek, Krankowski, Andrzej
We report the observations of single pulse emission from the pulsar B0809+74 at 150 MHz using the Polish LOFAR station, PL-611. The three major phenomena of subpulse drifting, nulling and mode changing associated with single pulse variations are prom
Externí odkaz:
http://arxiv.org/abs/2309.03820
Magnetic fields play an important role in the formation and evolution of a galaxy, but it is challenging to measure them by observation. Here we study the Seyfert galaxy NGC 3627's magnetic field orientations measured from the synchrotron polarizatio
Externí odkaz:
http://arxiv.org/abs/2208.06090
Autor:
Goyal, Arti, Soida, Marian, Stawarz, Lukasz, Wiita, Paul J., Nilsson, Kari, Jorstad, Svetlana, Marscher, Alan P., Aller, Margo F., Aller, Hugh D., Lahteenmaki, Anne, Hovatta, Talvikki, Zola, Staszek, Nalewajko, Krzysztof, Tornikoski, Merja, Tammi, Joni, Hodges, Mark, Kiehlmann, Sebastian, Readhead, Anthony C. S., Max-Moerbeck, Walter, Lindfors, Elina, Ramazani, Vandad Fallah, Reichart, D. E., Caton, D. B., Valverde, Janeth, Horan, Deirdre, Ojha, Roopesh, van Zyl, Pfesesani
We present the results of variability power spectral density (PSD) analysis using multiwavelength radio to GeV\,$\gamma$-ray light curves covering decades/years to days/minutes timescales for the blazars 3C 279 and PKS 1510-089. The PSDs are modeled
Externí odkaz:
http://arxiv.org/abs/2112.04194
Publikováno v:
The Astrophysical Journal, 2020, 898, 110
Regular magnetic fields are frequently found within and in the outskirts of galaxies, but their presence, properties, and origin has not yet been established for galaxy groups. On the basis of broadband radio polarimetric imaging with the Westerbork
Externí odkaz:
http://arxiv.org/abs/2008.01881
Autor:
Fallows, Richard A., Forte, Biagio, Astin, Ivan, Allbrook, Tom, Arnold, Alex, Wood, Alan, Dorrian, Gareth, Mevius, Maaijke, Rothkaehl, Hanna, Matyjasiak, Barbara, Krankowski, Andrzej, Anderson, James M., Asgekar, Ashish, Avruch, I. Max, Bentum, Mark, Bisi, Mario M., Butcher, Harvey R., Ciardi, Benedetta, Dabrowski, Bartosz, Damstra, Sieds, de Gasperin, Francesco, Duscha, Sven, Eislöffel, Jochen, Franzen, Thomas M. O., Garrett, Michael A., Grie\b{eta}meier, Jean-Matthias, Gunst, André W., Hoeft, Matthias, Hörandel, Jörg R., Iacobelli, Marco, Intema, Huib T., Koopmans, Leon V. E., Maat, Peter, Mann, Gottfried, Nelles, Anna, Paas, Harm, Pandey, Vishambhar N., Reich, Wolfgang, Rowlinson, Antonia, Ruiter, Mark, Schwarz, Dominik J., Serylak, Maciej, Shulevski, Aleksander, Smirnov, Oleg M., Soida, Marian, Steinmetz, Matthias, Thoudam, Satyendra, Toribio, M. Carmen, van Ardenne, Arnold, van Bemmel, Ilse M., van der Wiel, Matthijs H. D., van Haarlem, Michiel P., Vermeulen, René C., Vocks, Christian, Wijers, Ralph A. M. J., Wucknitz, Olaf, Zarka, Philippe, Zucca, Pietro
This paper presents the results from one of the first observations of ionospheric scintillation taken using the Low-Frequency Array (LOFAR). The observation was of the strong natural radio source Cas A, taken overnight on 18-19 August 2013, and exhib
Externí odkaz:
http://arxiv.org/abs/2003.04013
Publikováno v:
A&A 611, A7 (2018)
Low-mass galaxies radio observations show in many cases surprisingly high levels of magnetic field. The mass and kinematics of such objects do not favour the development of effective large-scale dynamo action. We attempted to check if the cosmic-ray-
Externí odkaz:
http://arxiv.org/abs/1801.02864
Autor:
Goyal, Arti, Stawarz, Lukasz, Ostrowski, Michal, Larionov, Valeri, Gopal-Krishna, Wiita, Paul J., Joshi, Santosh, Soida, Marian, Agudo, Ivan
We present the results of our power spectral analysis for the BL Lac object PKS 0735+178 utilizing the Fermi-LAT survey at high-energy $\gamma$-rays, several ground-based optical telescopes, and single-dish radio telescopes operating at GHz frequenci
Externí odkaz:
http://arxiv.org/abs/1702.02504
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In order to better determine the large-scale 3D-structure of magnetic fields in spiral galaxies we present a Faraday rotation analysis of the edge-on spiral galaxy NGC 5775. Deep radio-continuum observations in total power and linear polarization wer
Externí odkaz:
http://arxiv.org/abs/1105.5259