Zobrazeno 1 - 10
of 1 038
pro vyhledávání: '"Lahteenmaki P"'
Publikováno v:
Telecommunications Policy, 47(7), 102595 (2023)
The emergence of new wireless technologies, such as the Internet of Things, allows digitalizing new and diverse urban activities. Thus, wireless traffic grows in volume and complexity, making prediction, investment planning, and regulation increasing
Externí odkaz:
http://arxiv.org/abs/2310.14406
Autor:
Yuan, Q., Kushwaha, Pankaj, Gupta, Alok C., Tripathi, Ashutosh, Wiita, Paul J., Zhang, M., Liu, X., Lahteenmaki, Anne, Tornikoski, Merja, Tammi, Joni, Ramakrishnan, Venkatessh, Cui, L., Wang, X., Gu, M. F., Bambi, Cosimo, Volvach, A. E.
We perform correlation and periodicity search analyses on long-term multi-band light curves of the FSRQ 1510-089 observed by the space-based Fermi--Large Area Telescope in gamma-rays, the SMARTS and Steward Observatory telescopes in optical and near-
Externí odkaz:
http://arxiv.org/abs/2306.10248
Autor:
Acharyya, Atreya, Adams, Colin, Archer, Avery, Bangale, Priyadarshini, Benbow, Wystan, Brill, Aryeh, Christiansen, Jodi, Chromey, Alisha, Errando, Manel, Falcone, Abe, Feng, Qi, Finley, John, Foote, Gregory, Fortson, Lucy, Furniss, Amy, Gallagher, Greg, Hanlon, William, Hanna, David, Hervet, Olivier, Hinrichs, Claire, Hoang, John, Holder, Jamie, Jin, Weidong, Johnson, Madalyn, Kaaret, Philip, Kertzman, Mary P., Kieda, David, Kleiner, Tobias, Korzoun, Nikolas, Krennrich, Frank, Lang, Mark, Lundy, Matthew, Maier, Gernot, McGrath, Conor, Millard, Matthew, Millis, John, Mooney, Connor, Moriarty, Patrick, Mukherjee, Reshmi, O'Brien, Stephan, Ong, Rene A., Pohl, Martin, Pueschel, Elisa, Quinn, John, Ragan, Kenneth J., Reynolds, Paul, Ribeiro, Deivid, Roache, Emmet Thomas, Sadeh, Iftach, Sadun, Alberto, Saha, Lab, Santander, Marcos, Sembroski, Glenn, Shang, Ruo, Splettstoesser, Megan, Talluri, Anjana, Tucci, James, Vassiliev, Vladimir, Williams, David, Wong, Sam, Hovatta, Talvikki, Jorstad, Svetlana, Kiehlmann, Sebastian, Lahteenmaki, Anne, Liodakis, Ioannis, Marscher, Alan, Max-Moerbeck, Walter, Readhead, Anthony, Reeves, Rodrigo, Smith, Paul S, Tornikoski, Merja
We report the detection of very high energy gamma-ray emission from the blazar S3 1227+25 (VER J1230+253) with the Very Energetic Radiation Imaging Telescope Array System (VERITAS). VERITAS observations of the source were triggered by the detection o
Externí odkaz:
http://arxiv.org/abs/2305.02860
Autor:
Wang, Ailing, An, Tao, Guo, Shaoguang, Mohan, Prashanth, Chamani, Wara, Baan, Willem A., Hovatta, Talvikki, Falcke, Heino, Galvin, Tim J., Hurley-Walker, Natasha, Jaiswal, Sumit, Lahteenmaki, Anne, Lao, Baoqiang, Lv, Weijia, Tornikoski, Merja, Zhang, Yingkang
Disk winds and jets are ubiquitous in active galactic nuclei (AGN), and how these two components interact remains an open question. We study the radio properties of a radio-intermediate quasar III Zw 2. We detect two jet knots J1 and J2 on parsec sca
Externí odkaz:
http://arxiv.org/abs/2212.13735
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
Autor:
Gómez, Jose L., Traianou, Efthalia, Krichbaum, Thomas P., Lobanov, Andrei, Fuentes, Antonio, Lico, Rocco, Zhao, Guang-Yao, Bruni, Gabriele, Kovalev, Yuri Y., Lahteenmaki, Anne, Voitsik, Petr A., Lisakov, Mikhail M., Angelakis, Emmanouil, Bach, Uwe, Casadio, Carolina, Cho, Ilje, Dey, Lankeswar, Gopakumar, Achamveedu, Gurvits, Leonid, Jorstad, Svetlana G., Kovalev, Yuri A., Lister, Matthew L., Marscher, Alan P., Myserlis, Ioannis, Pushkarev, Alexander, Ros, Eduardo, Savolainen, Tuomas, Tornikoski, Merja, Valtonen, Mauri J., Zensus, Anton
Publikováno v:
ApJ 924 (2022) 122
We present the first polarimetric space VLBI observations of OJ 287, observed with RadioAstron at 22 GHz during a perigee session on 2014 April 4 and five near-in-time snapshots, together with contemporaneous ground VLBI observations at 15, 43, and 8
Externí odkaz:
http://arxiv.org/abs/2111.11200
Autor:
Hovatta, T., Lindfors, E., Kiehlmann, S., Max-Moerbeck, W., Hodges, M., Liodakis, I., Lahteenmaki, A., Pearson, T. J., Readhead, A. C. S., Reeves, R. A., Suutarinen, S., Tammi, J., Tornikoski, M.
Publikováno v:
A&A 650, A83 (2021)
Identifying the most likely sources for high-energy neutrino emission has been one of the main topics in high-energy astrophysics ever since the first observation of high-energy neutrinos by the IceCube Neutrino Observatory. Active galactic nuclei wi
Externí odkaz:
http://arxiv.org/abs/2009.10523
Autor:
MAGIC collaboration, Acciari, V. A., Ansoldi, S., Antonelli, L. A., Engels, A. Arbet, Baack, D., Babic, A., Banerjee, B., de Almeida, U. Barres, Barrio, J. A., Gonzalez, J. Becerra, Bednarek, W., Bellizzi, L., Bernardini, E., Berti, A., Besenrieder, J., Bhattacharyya, W., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bosnjak, Z., Busetto, G., Carosi, R., Ceribella, G., Cerruti, M., Chai, Y., Chilingarian, A., Cikota, S., Colak, S. M., Colin, U., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D'Elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., Del Puppo, F., Delfino, M., Delgado, J., Depaoli, D., Di Pierro, F., Di Venere, L., Espineira, E. Do Souto, Prester, D. Dominis, Donini, A., Dorner, D., Doro, M., Elsaesser, D., Ramazani, V. Fallah, Fattorini, A., Ferrara, G., Foffano, L., Fonseca, M. V., Font, L., Fruck, C., Fukami, S., Lopez, R. J. Garcia, Garczarczyk, M., Gasparyan, S., Gaug, M., Giglietto, N., Giordano, F., Gliwny, P., Godinovic, N., Green, D., Hadasch, D., Hahn, A., Herrera, J., Hoang, J., Hrupec, D., Hutten, M., Inada, T., Inoue, S., Ishio, K., Iwamura, Y., Jouvin, L., Kajiwara, Y., Kerszberg, D., Kobayashi, Y., Kubo, H., Kushida, J., Lamastra, A., Lelas, D., Leone, F., Lindfors, E., Lombardi, S., Longo, F., Lopez, M., Lopez-Coto, R., Lopez-Oramas, A., Loporchio, S., Fraga, B. Machado de Oliveira, Maggio, C., Majumdar, P., Makariev, M., Mallamaci, M., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Mariotti, M., Martinez, M., Mazin, D., Mender, S., Micanovic, S., Miceli, D., Miener, T., Minev, M., Miranda, J. M., Mirzoyan, R., Molina, E., Moralejo, A., Morcuende, D., Moreno, V., Moretti, E., Munar-Adrover, P., Neustroev, V., Nigro, C., Nilsson, K., Ninci, D., Nishijima, K., Noda, K., Nogues, L., Nozaki, S., Ohtani, Y., Oka, T., Otero-Santos, J., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Pavletic, L., Penil, P., Peresano, M., Persic, M., Moroni, P. G. Prada, Prandini, E., Puljak, I., Rhode, W., Ribo, M., Rico, J., Righi, C., Rugliancich, A., Saha, L., Sahakyan, N., Saito, T., Sakurai, S., Satalecka, K., Schleicher, B., Schmidt, K., Schweizer, T., Sitarek, J., Snidaric, I., Sobczynska, D., Spolon, A., Stamerra, A., Strom, D., Strzys, M., Suda, Y., Suric, T., Takahashi, M., Tavecchio, F., Temnikov, P., Terzic, T., Teshima, M., Torres-Alba, N., Tosti, L., van Scherpenberg, J., Vanzo, G., Acosta, M. Vazquez, Ventura, S., Verguilov, V., Vigorito, C. F., Vitale, V., Vovk, I., Will, M., Zaric, D., groups, Other, Petropoulou, M., Finke, J., D'Ammando, F., Balokovic, M., Madejski, G., Mori, K., Puccetti, Simonetta, Leto, C., Perri, M., Verrecchia, F., Villata, M., Raiteri, C. M., Agudo, I., Bachev, R., Berdyugin, A., Blinov, D. A., Chanishvili, R., Chen, W. P., Chigladze, R., Damljanovic, G., Eswaraiah, C., Grishina, T. S., Ibryamov, S., Jordan, B., Jorstad, S. G., Joshi, M., Kopatskaya, E. N., Kurtanidze, O. M., Kurtanidze, S. O., Larionova, E. G., Larionova, L. V., Larionov, V. M., Latev, G., Lin, H. C., Marscher, A. P., Mokrushina, A. A., Morozova, D. A., Nikolashvili, M. G., Semkov, E., Smith, P. S., Strigachev, A., Troitskaya, Yu. V., Troitsky, I. S., Vince, O., Barnes, J., Guever, T., Moody, J. W., Sadun, A. C., Hovatta, T., Richards, J. L., Max-Moerbeck, W., Readhead, A. C. R., Lahteenmaki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Reinthal, R.
We report on a multi-band variability and correlation study of the TeV blazar Mrk 421 during an exceptional flaring activity observed from 2013 April 11 to 2013 April 19. The study uses, among others, data from GASP-WEBT, Swift, NuSTAR, Fermi-LAT, VE
Externí odkaz:
http://arxiv.org/abs/2001.08678
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