Radioastronomia

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

Current Status of the EU-VGOS Project

Ezequiel Albentosa, Walter Alef, Simone Bernhardt, Johannes Böhm, Ruben Bolano Gonzalez, Yoon Choi, Thomas Gansmoe, Susana Garcia Espada, Cristina Garcia Niro, Anastasiia Girdiuk, Javier Gonzalz Garcia, Ann Silje Groøslie Wennesland, Jakob Gruber, Rüdiger Haas, Roger Hammargren, Robert Heinkelmann, Frédéric Jaron, Niko Petteri Kareinen, Ann-Silje Kirkvik, Hana Krasna, Elena Martinez, Ivan Marti-Vidal, Axel Meldahl, Alexey Melnikov, Sadegh Modiri, Alexander Neidhardt, Axel Nothnagel, Olivia Panzenböck, Victor Perez, Leonid Petrov, Christian Plötz, Helge Rottmann, Tuomas Savolainen, Matthias Schartner, Harald Schuh, Benedikt Soja, Eskil Varenius, Pablo de Vicente, Jan Wagner 2023 International VLBI Service for Geodesy and Astrometry 2022 General Meeting Proceedings

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

The Event Horizon Telescope Image of the Quasar NRAO 530

Svetlana Jorstad, Maciek Wielgus, Rocco Lico, Sara Issaoun, Avery E. Broderick, Dominic W. Pesce, Jun Liu, Guang Yao Zhao, Thomas P. Krichbaum, Lindy Blackburn, Chi Kwan Chan, Michael Janssen, Venkatessh Ramakrishnan, Kazunori Akiyama, Antxon Alberdi, Juan Carlos Algaba, Katherine L. Bouman, Ilje Cho, Antonio Fuentes, José L. Gómez, Mark Gurwell, Michael D. Johnson, Jae Young Kim, Ru Sen Lu, Iván Martí-Vidal, Monika Moscibrodzka, Felix M. Pötzl, Efthalia Traianou, Ilse van Bemmel, Walter Alef, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach, Anne Kathrin Baczko, David Ball, Mislav Baloković, John Barrett, Michi Bauböck, Bradford A. Benson, Dan Bintley, Raymond Blundell, Geoffrey C. Bower, Hope Boyce, Michael Bremer, Christiaan D. Brinkerink, Dong Jin Kim, Zhiyuan Li, Tuomas Savolainen, Jan Wagner 2023 Astrophysical Journal

RadioAstron Space VLBI Imaging of the Jet in M87. I. Detection of High Brightness Temperature at 22 GHz

Jae Young Kim, Tuomas Savolainen, Petr Voitsik, Evgeniya V. Kravchenko, Mikhail M. Lisakov, Yuri Y. Kovalev, Hendrik Müller, Andrei P. Lobanov, Kirill V. Sokolovsky, Gabriele Bruni, Philip G. Edwards, Cormac Reynolds, Uwe Bach, Leonid I. Gurvits, Thomas P. Krichbaum, Kazuhiro Hada, Marcello Giroletti, Monica Orienti, James M. Anderson, Sang Sung Lee, Bong Won Sohn, J. Anton Zensus 2023 Astrophysical Journal

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 ring-like accretion structure in M87 connecting its black hole and jet

Ru Sen Lu, Keiichi Asada, Thomas P. Krichbaum, Jongho Park, Fumie Tazaki, Hung Yi Pu, Masanori Nakamura, Andrei Lobanov, Kazuhiro Hada, Kazunori Akiyama, Jae Young Kim, Ivan Marti-Vidal, José L. Gómez, Tomohisa Kawashima, Feng Yuan, Eduardo Ros, Walter Alef, Silke Britzen, Michael Bremer, Avery E. Broderick, Akihiro Doi, Gabriele Giovannini, Marcello Giroletti, Paul T.P. Ho, Mareki Honma, David H. Hughes, Makoto Inoue, Wu Jiang, Motoki Kino, Shoko Koyama, Michael Lindqvist, Jun Liu, Alan P. Marscher, Satoki Matsushita, Hiroshi Nagai, Helge Rottmann, Tuomas Savolainen, Karl Friedrich Schuster, Zhi Qiang Shen, Pablo de Vicente, R. Craig Walker, Hai Yang, J. Anton Zensus, Juan Carlos Algaba, Alexander Allardi, Uwe Bach, Ryan Berthold, Dan Bintley, Do Young Byun, Carolina Casadio, Shu Hao Chang, Chih Cheng Chang, Song Chu Chang, Chung Chen Chen, Ming Tang Chen, Ryan Chilson, Tim C. Chuter, John Conway, Geoffrey B. Crew, Jessica T. Dempsey, Sven Dornbusch, Aaron Faber, Per Friberg, Javier González García, Miguel Gómez Garrido, Chih Chiang Han, Kuo Chang Han, Yutaka Hasegawa, Ruben Herrero-Illana, Yau De Huang, Chih Wei L. Huang, Violette Impellizzeri, Homin Jiang, Hao Jinchi, Taehyun Jung, Juha Kallunki, Petri Kirves, Kimihiro Kimura, Jun Yi Koay, Patrick M. Koch, Carsten Kramer, Alex Kraus, Derek Kubo, Cheng Yu Kuo, Chao Te Li, Lupin Chun Che Lin, Ching Tang Liu, Kuan Yu Liu, Wen Ping Lo, Li Ming Lu, Nicholas MacDonald, Pierre Martin-Cocher, Hugo Messias, Zheng Meyer-Zhao, Anthony Minter, Dhanya G. Nair, Hiroaki Nishioka, Timothy J. Norton, George Nystrom, Hideo Ogawa, Peter Oshiro, Nimesh A. Patel, Ue Li Pen, Yurii Pidopryhora, Nicolas Pradel, Philippe A. Raffin, Ramprasad Rao, Ignacio Ruiz, Salvador Sanchez, Paul Shaw, William Snow, T. K. Sridharan, Ranjani Srinivasan, Belén Tercero, Pablo Torne, Efthalia Traianou, Jan Wagner, Craig Walther, Ta Shun Wei, Jun Yang, Chen Yu Yu 2023 Nature

Enhancing the alignment of the optically bright Gaia reference frame with respect to the International Celestial Reference System

Susanne Lunz, James M. Anderson, Ming H. Xu, Oleg Titov, Robert Heinkelmann, Megan C. Johnson, Harald Schuh 2023 Astronomy and Astrophysics

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