Zobrazeno 1 - 10
of 10
pro vyhledávání: '"McCall, Callum"'
Autor:
Liodakis, Ioannis, Kiehlmann, Sebastian, Marscher, Alan P., Zhang, Haocheng, Blinov, Dmitry, Jorstad, Svetlana G., Agudo, Iván, Benítez, Erika, Berdyugin, Andrei, Bonnoli, Giacomo, Casadio, Carolina, Chen, Chien-Ting, Chen, Wen-Ping, Ehlert, Steven R., Escudero, Juan, Grishina, Tatiana S., Hiriart, David, Hsu, Angela, Imazawa, Ryo, Jermak, Helen E., Jose, Jincen, Kaaret, Philip, Kopatskaya, Evgenia N., Lalchand, Bhavana, Larionova, Elena G., Lindfors, Elina, López, José M., McCall, Callum, Morozova, Daria A., Palaiologou, Efthymios, Pandey, Shivangi, Poutanen, Juri, Rakshit, Suvendu, Reig, Pablo, Sasada, Mahito, Savchenko, Sergey S., Shablovinskaya, Elena, Neha, Sharma, Shrestha, Manisha, Steele, Iain A., Troitskiy, Ivan S., Troitskaya, Yulia V., Uemura, Makoto, Vasilyev, Andrey A., Weaver, Zachary, Wiersema, Klaas, Weisskopf, Martin C.
Variability can be the pathway to understanding the physical processes in astrophysical jets, however, the high-cadence observations required to test particle acceleration models are still missing. Here we report on the first attempt to produce conti
Externí odkaz:
http://arxiv.org/abs/2406.15554
Autor:
Kouch, Pouya M., Liodakis, Ioannis, Middei, Riccardo, Kim, Dawoon E., Tavecchio, Fabrizio, Marscher, Alan P., Marshall, Herman L., Ehlert, Steven R., Di Gesu, Laura, Jorstad, Svetlana G., Agudo, Iván, Madejski, Grzegorz M., Romani, Roger W., Errando, Manel, Lindfors, Elina, Nilsson, Kari, Toppari, Ella, Potter, Stephen B., Imazawa, Ryo, Sasada, Mahito, Fukazawa, Yasushi, Kawabata, Koji S., Uemura, Makoto, Mizuno, Tsunefumi, Nakaoka, Tatsuya, Akitaya, Hiroshi, McCall, Callum, Jermak, Helen E., Steele, Iain A., Myserlis, Ioannis, Gurwell, Mark, Keating, Garrett K., Rao, Ramprasad, Kang, Sincheol, Lee, Sang-Sung, Kim, Sang-Hyun, Cheong, Whee Yeon, Jeong, Hyeon-Woo, Angelakis, Emmanouil, Kraus, Alexander, Aceituno, Francisco José, Bonnoli, Giacomo, Casanova, Víctor, Escudero, Juan, Agís-González, Beatriz, Husillos, César, Morcuende, Daniel, Otero-Santos, Jorge, Sota, Alfredo, Bachev, Rumen, Antonelli, Lucio Angelo, Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bianchi, Stefano, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolò, Capitanio, Fiamma, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, Costa, Enrico, De Rosa, Alessandra, Del Monte, Ettore, Di Lalla, Niccolò, Di Marco, Alessandro, Donnarumma, Immacolata, Doroshenko, Victor, Dovčiak, Michal, Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Ferrazzoli, Riccardo, Garcia, Javier A., Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Kaaret, Philip, Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Krawczynski, Henric, La Monaca, Fabio, Latronico, Luca, Maldera, Simone, Manfreda, Alberto, Marin, Frédéric, Marinucci, Andrea, Massaro, Francesco, Matt, Giorgio, Mitsuishi, Ikuyuki, Muleri, Fabio, Negro, Michela, Ng, C. -Y., O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel Lawrence, Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Pilia, Maura, Possenti, Andrea, Poutanen, Juri, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Ratheesh, Ajay, Roberts, Oliver J., Sgrò, Carmelo, Slane, Patrick, Soffitta, Paolo, Spandre, Gloria, Swartz, Douglas A., Tamagawa, Toru, Taverna, Roberto, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Tombesi, Francesco, Trois, Alessio, Tsygankov, Sergey S., Turolla, Roberto, Vink, Jacco, Weisskopf, Martin C., Wu, Kinwah, Xie, Fei, Zane, Silvia
We report the X-ray polarization properties of the high-synchrotron-peaked (HSP) blazar PKS 2155$-$304 based on observations with the Imaging X-ray Polarimetry Explorer (IXPE). We observed the source between Oct 27 and Nov 7, 2023. We also conducted
Externí odkaz:
http://arxiv.org/abs/2406.01693
Autor:
McCall, Callum, Jermak, Helen, Steele, Iain A., Agudo, Iván, de Almeida, Ulisses Barres, Hovatta, Talvikki, Lamb, Gavin P., Lindfors, Elina, Mundell, Carole
We present the results of seven years of multicolour photometric monitoring of a sample of 31 $\gamma$-ray bright blazars using the RINGO3 polarimeter on the Liverpool Telescope from 2013--2020. We explore the relationships between simultaneous obser
Externí odkaz:
http://arxiv.org/abs/2404.12835
Autor:
Koljonen, Karri I. I., Liodakis, Ioannis, Lindfors, Elina, Nilsson, Kari, Reynolds, Thomas M., Charalampopoulos, Panos, Kouroumpatzakis, Konstantinos, McCall, Callum, Jermak, Helen E., Steele, Iain A., Carbajo-Hijarrubia, Juan
Supermassive black holes disrupt passing stars, producing outbursts called tidal disruption events (TDEs). TDEs have recently gained attention due to their unique dynamics and emission processes, which are still not fully understood. Especially, the
Externí odkaz:
http://arxiv.org/abs/2403.04877
Autor:
McCall, Callum, Jermak, Helen E., Steele, Iain A., Kobayashi, Shiho, Knapen, Johan H., Sánchez-Alarcón, Pablo M.
Blazars are a highly variable subclass of active galactic nuclei that have been observed to vary significantly during a single night. This intranight variability remains a debated phenomenon, with various mechanisms proposed to explain the behaviour
Externí odkaz:
http://arxiv.org/abs/2402.00633
The sunlight reflected from the Moon during a total lunar eclipse has been transmitted through the Earth's atmosphere on the way to the Moon. The combination of multiple scattering and inhomogeneous atmospheric characteristics during that transmissio
Externí odkaz:
http://arxiv.org/abs/2210.03434
Autor:
Valtonen, Mauri J., Zola, Staszek, Gopakumar, A., McCall, Callum, Jermak, Helen, Dey, Lankeswar, Komossa, S., Pursimo, Tapio, Knudstrup, Emil, Grupe, Dirk, Gomez, Jose L., Hudec, Rene, Jelinek, Martin, Strobl, Jan, Berdyugin, Andrei V., Ciprini, Stefano, Reichart, Daniel E., Kouprianov, Vladimir V., Matsumoto, Katsura, Drozdz, Marek, Mugrauer, Markus, Sadun, Alberto, Zejmo, Michal, Sillanpaa, Aimo, Lehto, Harry J., Nilsson, Kari
The bright blazar OJ~287 routinely parades high brightness bremsstrahlung flares which are explained as being a result of a secondary supermassive black hole (SMBH) impacting the accretion disk of a primary SMBH in a binary system. We begin by showin
Externí odkaz:
http://arxiv.org/abs/2209.08360
Akademický článek
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Akademický článek
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Autor:
Tearney, Guillermo J., Wang, Thomas D., Suter, Melissa J., Hughes, Michael R., McCall, Callum, Bridges, Victoria
Publikováno v:
Proceedings of SPIE; March 2024, Vol. 12820 Issue: 1 p1282008-1282008-6