Mauri Valtonen
 


mavalto@utu.fi

  
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  • Detection of an Optical Quasiperiodic Oscillation in the Blazar 3C 454.3  (2026)  
    • Astrophysical Journal
     Dogra, Karan; Gupta, Alok C.; Raiteri, C. M.; Villata, M.; Wiita, Paul J.; Valtonen, Mauri J.; Kurtanidze, S. O.; Jorstad, S. G.; Bachev, R.; Damljanovic, G.; Lorey, C.; Savchenko, S. S.; Vince, O.; Abdelkareem, M.; Aceituno, F. J.; Acosta-Pulido, J. A.; Agudo, I.; Andreuzzi, G.; Ata, S. A.; Baida, G. V.; Barbieri, L.; Blinov, D. A.; Bonnoli, G.; Borman, G. A.; Carnerero, M. I.; Carosati, D.; Casanova, V.; Chen, W. P.; Cui, Lang; Devanand, P. U.; Elhosseiny, E. G.; Elsaesser, D.; Escudero, J.; Fan, J. H.; Feige, M.; Gazeas, K.; Grishina, T. S.; Gu, Minfeng; Hagen-Thorn, V. A.; Hemrich, F.; Hsiao, H. Y.; Ismail, M.; Ivanidze, R. Z.; Jovanovic, M. D.; Kamel, T. M.; Kimeridze, G. N.; Kishore, Shubham; Kopatskaya, E. N.; Kuberek, D.; Kurtanidze, O. M.; Kurtenkov, A.; Larionov, V. M.; Larionova, Elena G.; Larionova, L. V.; Lin, H. C.; Marchini, A.; Marinelli, C.; Marscher, A. P.; Morcuende, D.; Morozova, D. A.; Nazarov, S. V.; Nikolashvili, M. G.; Reinhart, D.; Otero-Santos, J.; Scherbantin, A.; Semkov, E.; Shishkina, E. V.; Sigua, L. A.; Singh, A. K.; Sota, A.; Steineke, R.; Stojanovic, M.; Strigachev, A.; Takey, A.; Tawfeek, Amira A.; Tripathi, Tushar; Troitskiy, I. S.; Troitskaya, Y. V.; Tsai, An-Li; Vasilyev, A. A.; Vrontaki, K.; Zhang, Zhongli; Zhovtan, A. V.; Zottmann, N.; Zuo, Wenwen


  • Detection of quasi-periodic oscillations in the 37 GHz radio light curve of the blazar Ton 599 during 1990–2020  (2026)  
    • Astronomy and Astrophysics
     Gupta, Alok C.; Volvach, Alexandr E.; Kishore, Shubham; Volvach, Larisa N.; Wiita, Paul J.; Cui, Lang; Valtonen, Mauri J.; Mondal, Sandeep K.; Gaur, Haritma


  • Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations  (2026)  
    • Astronomy and Astrophysics
     Gómez, José L.; Cho, Ilje; Traianou, Efthalia; Krichbaum, Thomas P.; Zhao, Guang-Yao; Lico, Rocco; Fuentes, Antonio; Foschi, Marianna; Dahale, Rohan; Georgiev, Boris; Moriyama, Kotaro; Wielgus, Maciek; Gold, Roman; Pesce, Dominic W.; Müller, Hendrik; Jorstad, Svetlana; Toscano, Teresa; Röder, Jan; Martí, José M.; Perucho, Manel; Kovalev, Yuri Y.; Komossa, Stefanie; Gopakumar, Achamveedu; Valtonen, Mauri J.; Bruni, Gabriele; Chandra, Sunil; Akiyama, Kazunori; Albentosa-Ruíz, Ezequiel; Alberdi, Antxon; Alef, Walter; Carlos, Algaba Juan; Anantua, Richard; Asada, Keiichi; Azulay, Rebecca; Bach, Uwe; Baczko, Anne-Kathrin; Ball, David; Baloković, Mislav; Bandyopadhyay, Bidisha; Barrett, John; Bauböck, Michi; Benson, Bradford A.; Bintley, Dan; Blackburn, Lindy; Blundell, Raymond; Bouman, Katherine L.; Bower, Geoffrey C.; Bremer, Michael; Brissenden, Roger; Britzen, Silke; Broderick, Avery E.; Broguiere, Dominique; Bronzwaer, Thomas; Bustamante, Sandra; Carlos, Douglas F.; Carlstrom, John E.; Chael, Andrew; Chan, Chi-kwan; Chang, Dominic O.; Chatterjee, Koushik; Chatterjee, Shami; Chen, Ming-Tang; Chen, Yongjun; Cheng, Xiaopeng; Christian, Pierre; Conroy, Nicholas S.; Conway, John E.; Crawford, Thomas M.; Crew, Geoffrey B.; Cruz-Osorio, Alejandro; Cui, Yuzhu; Curd, Brandon; Davelaar, Jordy; De Laurentis, Mariafelicia; Deane, Roger; Dempsey, Jessica; Desvignes, Gregory; Dexter, Jason; Dhruv, Vedant; Dihingia, Indu K.; Doeleman, Sheperd S.; Dzib, Sergio A.; Eatough, Ralph P.; Emami, Razieh; Falcke, Heino; Farah, Joseph; Fish, Vincent L.; Fomalont, Edward; Alyson, Ford H.; Fraga-Encinas, Raquel; Freeman, William T.; Friberg, Per; Fromm, Christian M.; Galison, Peter; Gammie, Charles F.; García, Roberto; Gentaz, Olivier; Geertsema, Gertie; Goddi, Ciriaco; Gómez-Ruiz, Arturo I.; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; Haggard, Daryl; Hesper, Ronald; Heumann, Dirk; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Violette, Impellizzeri C. M.; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jiménez-Rosales, Alejandra; Johnson, Michael D.; Jones, Adam C.; Joshi, Abhishek V.; Jung, Taehyun; Karuppusamy, Ramesh; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Dong-Jin; Kim, Jae-Young; Kim, Jongsoo; Kim, Junhan; Kino, Motoki; Koay, Jun Yi; Kocherlakota, Prashant; Kofuji, Yutaro; Koch, Patrick M.; Koyama, Shoko; Kramer, Carsten; Kramer, Joana A.; Kramer, Michael; Kuo, Cheng-Yu; La Bella, Noemi; Lee, Sang-Sung; Levis, Aviad; Li, Zhiyuan; Lindahl, Greg; Lindqvist, Michael; Lisakov, Mikhail; Liu, Jun; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin J.; Lowitz, Amy E.; Lu, Ru-Sen; MacDonald, Nicholas R.; Mao, Jirong; Marchili, Nicola; Markoff, Sera; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Ivàn; Matsushita, Satoki; Matthews, Lynn D.; Medeiros, Lia; Menten, Karl M.; Mizuno, Izumi; Mizuno, Yosuke; Montgomery, Joshua; Moran, James M.; Moscibrodzka, Monika; Mulaudzi, Wanga; Müller, Cornelia; Mus, Alejandro; Musoke, Gibwa; Myserlis, Ioannis; Nagai, Hiroshi; Nagar, Neil M.; Nair, Dhanya G.; Nakamura, Masanori; Narayanan, Gopal; Natarajan, Iniyan; Nathanail, Antonios; Fuentes, Santiago Navarro; Neilsen, Joey; Ni, Chunchong; Nowak, Michael A.; Oh, Junghwan; Okino, Hiroki; Olivares Sánchez, Héctor Raúl; Oyama, Tomoaki; Özel, Feryal; Palumbo, Daniel C. M.; Filippos Paraschos, Georgios; Park, Jongho; Parsons, Harriet; Patel, Nimesh; Pen, Ue-Li; Piétu, Vincent; PopStefanija, Aleksandar; Porth, Oliver; Prather, Ben; Principe, Giacomo; Psaltis, Dimitrios; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Rezzolla, Luciano; Ricarte, Angelo; Ripperda, Bart; Roelofs, Freek; Romero-Cañizales, Cristina; Ros, Eduardo; Roshanineshat, Arash; Rottmann, Helge; Roy, Alan L.; Ruiz, Ignacio; Ruszczyk, Chet; Rygl, Kazi L. J.; Sánchez, Salvador; Sánchez-Argüelles, David; Sánchez-Portal, Miguel; Sasada, Mahito; Satapathy, Kaushik; Saurabh; Savolainen, Tuomas; Schloerb, F. Peter; Schonfeld, Jonathan; Schuster, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Silpa, Sasikumar; Small, Des; Won Sohn, Bong; SooHoo, Jason; Salas, León D. S.; Souccar, Kamal; Stanway, Joshua S.; Sun, He; Tazaki, Fumie; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. J.; Titus, Michael; Toma, Kenji; Torne, Pablo; Trent, Tyler; Trippe, Sascha; Turk, Matthew; van Bemmel, Ilse; van Langevelde, Huib Jan; van Rossum, Daniel R.; Vos, Jesse; Wagner, Jan; Ward-Thompson, Derek; Wardle, John; Washington, Jasmin E.; Weintroub, Jonathan; Wharton, Robert; Wiik, Kaj; Witzel, Gunther; Wondrak, Michael F.; Wong George N.; Wu, Qingwen; Yadlapalli, Nitika; Yamaguchi, Paul; Yfantis, Aristomenis; Yoon, Doosoo; Young, André; Younsi, Ziri; Yu, Wei; Yuan, Feng; Yuan, Ye-Fei; Zeng, Ai-Ling; Zensus, J. Anton; Zhang, Shuo; Zhao, Shan-Shan


  • Identifying the Secondary Jet in the RadioAstron Image of OJ 287  (2025)  
    • Astrophysical Journal
     Valtonen, Mauri J.; Dey, Lankeswar; Zola, Staszek; Gupta, Alok C.; Kishore, Shubham; Gopakumar, Achamveedu; Wiita, Paul J.; Gu, Minfeng; Nilsson, Kari; Zhang, Zhongli; Hudec, Rene; Matsumoto, Katsura; Drozdz, Marek; Ogloza, Waldemar; Berdyugin, Andrei V.; Reichart, Daniel E.; Mugrauer, Markus; Pursimo, Tapio; Ciprini, Stefano; Nakaoka, Tatsuya; Uemura, Makoto; Imazawa, Ryo; Zejmo, Michal; Kouprianov, Vladimir V.; Davidson Jr, James W.; Sadun, Alberto; Strobl, Jan; Jelinek, Martin; Susobhanan, Abhimanyu


  • On the Evidence of a Dark Matter Density Spike around the Primary Black Hole in OJ 287  (2025)  
    • Astrophysical Journal Letters
     Deb, Debabrata; Gopakumar, Achamveedu; Valtonen, Mauri J.


  • The influence of spin in black hole triplets  (2025)  
    • Astronomy and Computing
     Chitan, A.; Mylläri, A.; Valtonen, M.


  • Evidence of Jet Activity from the Secondary Black Hole in the OJ 287 Binary System  (2024)  
    • Astrophysical Journal Letters
     Valtonen, Mauri J.; Zola, Staszek; Gupta, Alok C.; Kishore, Shubham; Gopakumar, Achamveedu; Jorstad, Svetlana G.; Wiita, Paul J.; Gu, Minfeng; Nilsson, Kari; Marscher, Alan P.; Zhang, Zhongli; Hudec, Rene; Matsumoto, Katsura; Drozdz, Marek; Ogloza, Waldemar; Berdyugin, Andrei V.; Reichart, Daniel E.; Mugrauer, Markus; Dey, Lankeswar; Pursimo, Tapio; Lehto, Harry J.; Ciprini, Stefano; Nakaoka, T.; Uemura, M.; Imazawa, Ryo; Zejmo, Michal; Kouprianov, Vladimir V.; Davidson Jr, James W.; Sadun, Alberto; Strobl, Jan; Weaver, Z. R.; Jelinek, Martin


  • No Missing Flare in OJ 287  (2024)  
    • Research Notes of the AAS
     Valtonen, Mauri J.


  • First detection of the secondary black hole in the OJ287 binary system  (2023)  
    • Bulletin of the American Astronomical Society
     Valtonen Mauri, Zola Staszek, Gopakumar A.


  • Observational Implications of OJ 287's Predicted 2022 Disk Impact in the Black Hole Binary Model  (2023)  
    • Galaxies
     Valtonen Mauri J., Dey Lankeswar, Gopakumar Achamveedu, Zola Staszek, Lähteenmäki Anne, Tornikoski Merja, Gupta Alok C., Pursimo Tapio, Knudstrup Emil, 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, Sillanpää Aimo, Lehto Harry J., Nilsson Kari, Imazawa Ryo, Uemura Makoto, Kapanadze Bidzina



Last updated on 12/07/2023 11:45:50 AM