Merja Tornikoski

Senior Scientist
Senior Scientist
T408 Metsähovi Radio Observatory
Full researcher profile
https://research.aalto.fi/...

Contact information

Phone number
+358294424848

Publications

A near magnetic-to-kinetic energy equipartition flare from the relativistic jet in AO 0235 + 164 during 2013–2019

Whee Yeon Cheong, Sang Sung Lee, Sang Hyun Kim, Sincheol Kang, Jae Young Kim, Bindu Rani, Anthony C.S. Readhead, Sebastian Kiehlmann, Anne Lähteenmäki, Merja Tornikoski, Joni Tammi, Venkatessh Ramakrishnan, Iván Agudo, Antonio Fuentes, Efthalia Traianou, Juan Escudero, Clemens Thum, Ioannis Myserlis, Carolina Casadio, Mark Gurwell 2024 Monthly Notices of the Royal Astronomical Society

Multimessenger Characterization of Markarian 501 during Historically Low X-Ray and γ-Ray Activity

H. Abe, S. Abe, V. A. Acciari, I. Agudo, T. Aniello, S. Ansoldi, L. A. Antonelli, A. Arbet-Engels, C. Arcaro, M. Artero, K. Asano, D. Baack, A. Babić, A. Baquero, U. Barres De Almeida, J. A. Barrio, I. Batković, J. Baxter, J. Becerra González, W. Bednarek, E. Bernardini, M. Bernardos, A. Berti, J. Besenrieder, W. Bhattacharyya, C. Bigongiari, A. Biland, O. Blanch, G. Bonnoli, A. Bošnjak, I. Burelli, G. Busetto, R. Carosi, M. Carretero-Castrillo, A. J. Castro-Tirado, G. Ceribella, Y. Chai, A. Chilingarian, S. Cikota, E. Colombo, J. L. Contreras, J. Cortina, S. Covino, G. D'Amico, V. D'Elia, V. Fallah Ramazani, W. Chamani, T. Hovatta, A. Lähteenmäki, M. Tornikoski 2023 Astrophysical Journal, Supplement Series

VERITAS Discovery of Very High Energy Gamma-Ray Emission from S3 1227+25 and Multiwavelength Observations

A. Acharyya, C. B. Adams, A. Archer, P. Bangale, W. Benbow, A. Brill, J. L. Christiansen, A. J. Chromey, M. Errando, A. Falcone, Q. Feng, J. P. Finley, G. M. Foote, L. Fortson, A. Furniss, G. Gallagher, W. Hanlon, D. Hanna, O. Hervet, C. E. Hinrichs, J. Hoang, J. Holder, W. Jin, M. N. Johnson, P. Kaaret, M. Kertzman, D. Kieda, T. K. Kleiner, N. Korzoun, F. Krennrich, M. J. Lang, M. Lundy, G. Maier, C. E. McGrath, M. J. Millard, J. Millis, C. L. Mooney, P. Moriarty, R. Mukherjee, S. O'Brien, R. A. Ong, M. Pohl, E. Pueschel, J. Quinn, K. Ragan, P. T. Reynolds, D. Ribeiro, Talvikki Hovatta, Anne Lähteenmäki, Merja Tornikoski 2023 Astrophysical Journal

Time variability of the core-shift effect in the blazar 3C 454.3

Wara Chamani, Tuomas Savolainen, Eduardo Ros, Yuri Y. Kovalev, Kaj Wiik, Anne Lähteenmäki, Merja Tornikoski, Joni Tammi 2023 Astronomy and Astrophysics

Quasi-periodic behaviour in the radio and gamma-ray light curves of blazar PKS 1510-089

XP Li, Y Cai, HY Yang, A Lahteenmaki, M Tornikoski, J Tammi, S Suutarinen, Hai-Tao Yang, YH Luo, LS Wang 2023 Monthly Notices of the Royal Astronomical Society

Radio and γ-Ray Variability in Blazar S5 0716+714: A Year-like Quasi-periodic Oscillation in the Radio Light Curve

Xiao Pan Li, Hai Yan Yang, Yan Cai, Anne Lähteenmäki, Merja Tornikoski, Joni Tammi, Sofia Suutarinen, Hai Tao Yang, Yu Hui Luo, Li Sha Wang 2023 Astrophysical Journal

A multi-band study and exploration of the radio wave-gamma-ray connection in 3C 84

G. F. Paraschos, V. Mpisketzis, J. Y. Kim, G. Witzel, T. P. Krichbaum, J. A. Zensus, M. A. Gurwell, A. Lähteenmäki, M. Tornikoski, S. Kiehlmann, A. C.S. Readhead 2023 Astronomy and Astrophysics

Long-term Swift and Metsähovi monitoring of SDSS J164100.10+345452.7 reveals multi-wavelength correlated variability

P. Romano, A. Lähteenmäki, S. Vercellone, L. Foschini, M. Berton, C. M. Raiteri, V. Braito, S. Ciroi, E. Järvelä, S. Baitieri, I. Varglund, M. Tornikoski, S. Suutarinen 2023 Astronomy and Astrophysics

Observational Implications of OJ 287’s Predicted 2022 Disk Impact in the Black Hole Binary Model

Mauri J. Valtonen, Lankeswar Dey, Achamveedu Gopakumar, Staszek Zola, Anne Lähteenmäki, Merja Tornikoski, Alok C. Gupta, Tapio Pursimo, Emil Knudstrup, Jose L. Gomez, Rene Hudec, Martin Jelínek, Jan Štrobl, Andrei V. Berdyugin, Stefano Ciprini, Daniel E. Reichart, Vladimir V. Kouprianov, Katsura Matsumoto, Marek Drozdz, Markus Mugrauer, Alberto Sadun, Michal Zejmo, Aimo Sillanpää, Harry J. Lehto, Kari Nilsson, Ryo Imazawa, Makoto Uemura 2023 Galaxies

On the need of an ultramassive black hole in OJ 287

Mauri J. Valtonen, Staszek Zola, A. Gopakumar, Anne Lähteenmäki, Merja Tornikoski, Lankeswar Dey, Alok C. Gupta, Tapio Pursimo, Emil Knudstrup, Jose L. Gomez, Rene Hudec, Martin Jelínek, Jan Štrobl, Andrei V. Berdyugin, Stefano Ciprini, Daniel E. Reichart, Vladimir V. Kouprianov, Katsura Matsumoto, Marek Drozdz, Markus Mugrauer, Alberto Sadun, Michal Zejmo, Aimo Sillanpää, Harry J. Lehto, Kari Nilsson, Ryo Imazawa, Makoto Uemura, James W. Davidson 2023 Monthly Notices of the Royal Astronomical Society