Mauri Valtonen - UTU Research Portal

Mauri Valtonen

Finnish Centre for Astronomy with ESO (Independent units)

mavalto@utu.fi

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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
On the need of an ultramassive black hole in OJ 287 (2023)
- Monthly Notices of the Royal Astronomical Society
Valtonen MJ, Zola S, Gopakumar A, Lahteenmaki A, Tornikoski M, Dey L, Gupta AC, Pursimo T, Knudstrup E, Gomez JL, Hudec R, Jelinek M, Strobl J, Berdyugin AV, Ciprini S, Reichart DE, Kouprianov VV, Matsumoto K, Drozdz M, Mugrauer M, Sadun A, Zejmo M, Sillanpaa A, Lehto HJ, Nilsson K, Imazawa R, Uemura M, Davidson JW
Quasi-simultaneous Optical Flux and Polarization Variability of the Binary Super Massive Black Hole Blazar OJ 287 from 2015 to 2023: Detection of an Anticorrelation in Flux and Polarization Variability (2023)
- Astrophysical Journal Letters
Gupta Alok C., Kushwaha Pankaj, Valtonen Mauri J., Savchenko Sergey S., Jorstad Svetlana G., Imazawa Ryo, Wiita Paul J., Gu Minfeng, Marscher Alan P., Zhang Zhongli, Bachev Rumen, Borman G. A., Gaur Haritma, Grishina T. S., Hagen-Thorn V. A., Kopatskaya E. N., Larionov V. M., Larionova E. G., Larionova L. V., Morozova D. A., Nakaoka T., Strigachev A., Troitskaya Yulia V., Troitsky I. S., Uemura M., Vasilyev A. A., Weaver Z. R., Zhovtan A. V.
Refining the OJ 287 2022 impact flare arrival epoch (2023)
- Monthly Notices of the Royal Astronomical Society
Valtonen Mauri J, Zola Staszek, Gopakumar A, Lähteenmäki Anne, Tornikoski Merja, Dey Lankeswar, Gupta Alok C, Pursimo Tapio, Knudstrup Emil, Gomez Jose L, Hudec Rene, Jelínek Martin, Štrobl 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
Stability of hierarchical triples - II. The inclination iota=140 degrees resonance in the stability surface (2023)
- Monthly Notices of the Royal Astronomical Society
Pasechnik Alexey, Mylläri Aleksandr, Valtonen Mauri, Mikkola Seppo
Host galaxy magnitude of OJ 287 from its colours at minimum light (2022)
- Monthly Notices of the Royal Astronomical Society
Valtonen Mauri J, Dey Lankeswar, Zola S, Ciprini S, Kidger M, Pursimo T, Gopakumar A, Matsumoto K, Sadakane K, Caton DB, Nilsson K, Komossa S, Bagaglia M, Baransky A, Boumis P, Boyd D, Castro-Tirado AJ, Debski B, Drozdz M, Perez AE, Fiorucci M, Garcia F, Gazeas K, Ghosh S, Godunova V, Gomez JL, Gredel R, Grupe D, Haislip JB, Henning T, Hurst G, Janik J, Kouprianov VV, Lehto H, Liakos A, Mathur S, Mugrauer M, Nogues RN, Nucciarelli G, Ogloza W, Ojha DK, Pajdosz-Smierciak U, Pascolini S, Poyner G, Reichart DE, Rizzi N, Roncella F, Sahu DK, Sillanpaa A, Simon A, Siwak M, Alfaro FCS, Sonbas E, Tosti G, Vasylenko V, Webb JR, Zielinski P
MOMO - V. Effelsberg, Swift, and Fermi study of the blazar and supermassive binary black hole candidate OJ 287 in a period of high activity (2022)
- Monthly Notices of the Royal Astronomical Society
Komossa S, Grupe D, Kraus A, Gonzalez A, Gallo LC, Valtonen MJ, Laine S, Krichbaum TP, Gurwell MA, Gomez JL, Ciprini S, Myserlis I, Bach U
Probing the Innermost Regions of AGN Jets and Their Magnetic Fields with RadioAstron. V. Space and Ground Millimeter-VLBI Imaging of OJ 287 (2022)
- Astrophysical Journal
Gómez José L, Traianou Efthalia, Krichbaum Thomas P, Lobanov Andrei P, Fuentes Antonio, Lico Rocco, Zhao Guang-Yao, Bruni Gabriele, Kovalev Yuri Y, Lähteenmäki Anne, Voitsik Petr A, Lisakov Mikhail M, Angelakis Emmanouil, Bach Uwe, Casadio Carolina, Cho Ilje, Dey Lankeswar, Gopakumar Achamveedu, Gurvits Leonid I, Jorstad Svetlana, Kovalev Yuri A, Lister Matthew L, Marscher Alan P, Myserlis Ioannis, Pushkarev Alexander B, Ros Eduardo, Savolainen Tuomas, Tornikoski Merja, Valtonen Mauri J, Zensus Anton
Promise of Persistent Multi-Messenger Astronomy with the Blazar OJ 287 (2022)
- Galaxies
Valtonen Mauri J., Dey Lankeswar, Gopakumar Achamveedu, Zola Staszek, Komossa S., Pursimo Tapio, Gomez Jose L., Hudec Rene, Jermak Helen, Berdyugin Andrei V.
Three-body Stability Limit at Infinite Time (2022)
- Bulletin of the American Astronomical Society
Valtonen Mauri, Mylläri Aleksandr
Explaining temporal variations in the jet PA of the blazar OJ 287 using its BBH central engine model (2021)
- Monthly Notices of the Royal Astronomical Society
Dey Lankeswar, Valtonen Mauri J., Gopakumar A., Lico Rocco, Gómez José L., Susobhanan Abhimanyu, Komossa S., Pihajoki Pauli
Polarimetric Properties of Event Horizon Telescope Targets from ALMA (2021)
- Astrophysical Journal Letters
Goddi Ciriaco, Martí-Vidal Iván, Messias Hugo, Bower Geoffrey C., Broderick Avery E., Dexter Jason, Marrone Daniel P., Moscibrodzka Monika, Nagai Hiroshi, Algaba Juan Carlos, Asada Keiichi, Crew Geoffrey B., Gómez José L., Impellizzeri C. M. Violette, Janssen Michael, Kadler Matthias, Krichbaum Thomas P., Lico Rocco, Matthews Lynn D., Nathanail Antonios, Ricarte Angelo, Ros Eduardo, Younsi Ziri, Akiyama Kazunori, Alberdi Antxon, Alef Walter, Anantua Richard, Azulay Rebecca, Baczko Anne-Kathrin, Ball David, Baloković Mislav, Barrett John, Benson Bradford A., Bintley Dan, Blackburn Lindy, Blundell Raymond, Boland Wilfred, Bouman Katherine L., Boyce Hope, Bremer Michael, Brinkerink Christiaan D., Brissenden Roger, Britzen Silke, Broguiere Dominique, Bronzwaer Thomas, Byun Do-Young, Carlstrom John E., Chael Andrew, Chan Chi-kwan, Chatterjee Shami, Chatterjee Koushik, Chen Ming-Tang, Chen Yongjun, Chesler Paul M., Cho Ilje, Christian Pierre, Conway John E., Cordes James M., Crawford Thomas M., Cruz-Osorio Alejandro, Cui Yuzhu, Davelaar Jordy, De Laurentis Mariafelicia, Deane Roger, Dempsey Jessica, Desvignes Gregory, Doeleman Sheperd S., Eatough Ralph P., Falcke Heino, Farah Joseph, Fish Vincent L., Fomalont Ed, Ford H. Alyson, Fraga-Encinas Raquel, Freeman William T., Friberg Per, Fromm Christian M., Fuentes Antonio, Galison Peter, Gammie Charles F., García Roberto, Gentaz Olivier, Georgiev Boris, Gold Roman, Gómez-Ruiz Arturo I., Gu Minfeng, Gurwell Mark, Hada Kazuhiro, Haggard Daryl, Hecht Michael H., Hesper Ronald, Ho Luis C., Ho Paul, Honma Mareki, Huang Chih-Wei L., Huang Lei, Hughes David H., Inoue Makoto, Issaoun Sara, James David J., Jannuzi Buell T., Jeter Britton, Jiang Wu, Jimenez-Rosales Alejandra, Johnson Michael D., Jorstad Svetlana, Jung Taehyun, Karami Mansour, Karuppusamy Ramesh, Kawashima Tomohisa, Keating Garrett K., Kettenis Mark, Kim Dong-Jin, Kim Jae-Young, Kim Jongsoo, Kim Junhan, Kino Motoki, Koay Jun Yi, Kofuji Yutaro, Koch Patrick M., Koyama Shoko, Kramer Michael, Kramer Carsten, Kuo Cheng-Yu, Lauer Tod R., Lee Sang-Sung, Levis Aviad, Li Yan-Rong, Li Zhiyuan, Lindqvist Michael, Lindahl Greg, Liu Jun, Liu Kuo, Liuzzo Elisabetta, Lo Wen-Ping, Lobanov Andrei P., Loinard Laurent, Lonsdale Colin, Lu Ru-Sen, MacDonald Nicholas R., Mao Jirong, Marchili Nicola, Markoff Sera, Marscher Alan P., Matsushita Satoki, Medeiros Lia, Menten Karl M., Mizuno Izumi, Mizuno Yosuke, Moran James M., Moriyama Kotaro, Müller Cornelia, Musoke Gibwa, Mejías Alejandro Mus, Nagar Neil M., Nakamura Masanori, Narayan Ramesh, Narayanan Gopal, Natarajan Iniyan, Neilsen Joey, Neri Roberto, Ni Chunchong, Noutsos Aristeidis, Nowak Michael A., Okino Hiroki, Olivares Héctor, Ortiz-León Gisela N., Oyama Tomoaki, Özel Feryal, Palumbo Daniel C. M., Park Jongho, Patel Nimesh, Pen Ue-Li, Pesce Dominic W., Piétu Vincent, Plambeck Richard, PopStefanija Aleksandar, Porth Oliver, Pötzl Felix M., Prather Ben, Preciado-López Jorge A., Psaltis Dimitrios, Pu Hung-Yi, Ramakrishnan Venkatessh, Rao Ramprasad, Rawlings Mark G., Raymond Alexander W., Rezzolla Luciano, Ripperda Bart, Roelofs Freek, Rogers Alan, Rose Mel, Roshanineshat Arash, Rottmann Helge, Roy Alan L., Ruszczyk Chet, Rygl Kazi L. J., Sánchez Salvador, Sánchez-Arguelles David, Sasada Mahito, Savolainen Tuomas, Schloerb F. Peter, Schuster Karl-Friedrich, Shao Lijing, Shen Zhiqiang, Small Des, Sohn Bong Won, SooHoo Jason, Sun He, Tazaki Fumie, Tetarenko Alexandra J., Tiede Paul, Tilanus Remo P. J., Titus Michael, Toma Kenji, Torne Pablo, Trent Tyler, Traianou Efthalia, Trippe Sascha, van Bemmel Ilse, van Langevelde Huib Jan, van Rossum Daniel R., Wagner Jan, Ward-Thompson Derek, Wardle John, Weintroub Jonathan, Wex Norbert, Wharton Robert, Wielgus Maciek, Wong George N., Wu Qingwen, Yoon Doosoo, Young André, Young Ken, Yuan Feng, Yuan Ye-Fei, Zensus J. Anton, Zhao Guang-Yao, Zhao Shan-Shan, Bruni Gabriele, Gopakumar A., Hernández-Gómez Antonio, Herrero-Illana Ruben, Ingram Adam, Komossa S., Kovalev Y. Y., Muders Dirk, Perucho Manel, Rösch Florian, Valtonen Mauri
Project momo: Multiwavelength observations and modeling of oj 287 (2021)
- Universe
Komossa S., Grupe D., Kraus A., Gallo L.C., Gonzalez A.G., Parker M.L., Valtonen M.J., Hollett A.R., Bach U., Gómez J.L., Myserlis I., Ciprini S.
Supermassive Binary Black Holes and the Case of OJ 287 (2021)
- Publications of the Astronomical Observatory of Belgrade
Proceedings of the XIX Serbian Astronomical Conference Komossa S., Ciprini S., Dey L., Gallo L. C., Gómez J. L., Gonzalez A., Grupe D., Kraus A., Laine S. J., Parker M. L., Valtonen M. J., Chandra S., Gopakumar A., Haggard D., Nowak M. A.
Testing the three-body stability limit at very long time (2021)
- Bulletin of the American Astronomical Society
Mylläri A., Valtonen M.