Tuomas Savolainen

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Tuomas Savolainen

Docent, Dr.

 https://orcid.org/0000-0001-6214-1085
  • Phone+358 50 3083696

  • Metsahovi Radio Observatory Metsahovintie 114

20012024

Research activity per year

Search results

  • 2021

    First M87 Event Horizon Telescope Results. VII. Polarization of the Ring

    Event Horizon Telescope Collaboration, 20 Mar 2021, In: Astrophysical Journal Letters. 910, 1, 48 p., 12.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    227 Citations (Scopus)
    83 Downloads (Pure)

  • First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near the Event Horizon

    Savolainen, T. & Event Horizon Telescope Collaboration, 20 Mar 2021, In: Astrophysical Journal Letters. 910, 1, 43 p., 13.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    339 Citations (Scopus)
    98 Downloads (Pure)

  • Geodetic data analysis of VGOS experiments

    Alef, W., Andalsvik, Y. L., Anderson, J. M., Bernhart, S., Bohm, J., Boumann, J., Choi, Y. K., Colomer, F., Engelhardt, G., Flohrer, C., Girdiuk, A., Gonzalez, J., Gruber, J. F., Haas, R., Hammargren, R., Hohlneicher, M., Jaron, F., Jenie, O. S., Kareinen, N. & Lovhoiden, L. & 23 others, Martinez, E., Marti-Vidal, I., Melnikov, A., Mueskens, A., Neidhardt, A., Nothnagel, A., Petrov, L., Plotz, C., Rottmann, H., Savolainen, T., Schartner, M., Schuh, H., Schueler, T., Small, D., Szomoru, A., Thaller, D., Ullrich, D., Varenius, E., Verkouter, H., De Vicente, P., Wagner, J., Xu, M. & Zubko, N., 28 Aug 2021.

    Research output: Contribution to conference › Abstract › Scientific › peer-review

  • Imaging VGOS Observations and Investigating Source Structure Effects

    Xu, M. H., Savolainen, T., Zubko, N., Poutanen, M., Lunz, S., Schuh, H. & Wang, G. L., Apr 2021, In: Journal of Geophysical Research: Solid Earth. 126, 4, 35 p., e2020JB021238.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    11 Citations (Scopus)
    72 Downloads (Pure)

  • MOJAVE. XIX. Brightness Temperatures and Intrinsic Properties of Blazar Jets

    Homan, D. C., Cohen, M. H., Hovatta, T., Kellermann, K., Kovalev, Y. Y., Lister, M. L., Popkov, A., Pushkarev, A. B., Ros, E. & Savolainen, T., 10 Dec 2021, In: The Astrophysical Journal. 923, 1, 23 p., 67.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    46 Citations (Scopus)
    97 Downloads (Pure)

  • Monitoring Of Jets in Active Galactic Nuclei with VLBA Experiments. XVIII. Kinematics and Inner Jet Evolution of Bright Radio-loud Active Galaxies

    Lister, M. L., Homan, D. C., Kellermann, K. I., Kovalev, Y. Y., Pushkarev, A. B., Ros, E. & Savolainen, T., 10 Dec 2021, In: The Astrophysical Journal. 923, 1, 19 p., 30.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
    62 Citations (Scopus)

  • Observing the Time Evolution of the Multicomponent Nucleus of 3C 84

    Punsly, B., Nagai, H., Savolainen, T. & Orienti, M., 16 Apr 2021, In: The Astrophysical Journal. 911, 1, 18 p., 19.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
    7 Citations (Scopus)

  • Polarimetric Properties of Event Horizon Telescope Targets from ALMA

    Event Horizon Telescope Collaboration, 20 Mar 2021, In: Astrophysical Journal Letters. 910, 1, 54 p., 14.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    76 Citations (Scopus)
    181 Downloads (Pure)

  • Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron: IV. The quasar 3C 345 at 18 cm: Magnetic field structure and brightness temperature

    Potzl, F. M., Lobanov, A. P., Ros, E., Gomez, J. L., Bruni, G., Bach, U., Fuentes, A., Gurvits, L. I., Jauncey, D. L., Kovalev, Y. Y., Kravchenko, E. V., Lisakov, M. M., Savolainen, T., Sokolovsky, K. V. & Zensus, J. A., 14 Apr 2021, In: Astronomy and Astrophysics. 648, 10 p., A82.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    8 Citations (Scopus)
    98 Downloads (Pure)

  • RadioAstron reveals a spine-sheath jet structure in 3C 273

    Bruni, G., Gómez, J. L., Vega-García, L., Lobanov, A. P., Fuentes, A., Savolainen, T., Kovalev, Y. Y., Perucho, M., Martí, J. M., Anderson, J. M., Edwards, P. G., Gurvits, L. I., Lisakov, M. M., Pushkarev, A. B., Sokolovsky, K. V. & Zensus, J. A., 6 Oct 2021, In: Astronomy and Astrophysics. 654, 9 p., 27.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    17 Citations (Scopus)
    77 Downloads (Pure)

  • Testing the magnetic flux paradigm for AGN radio loudness with a radio-intermediate quasar

    Chamani, W., Savolainen, T., Hada, K. & Xu, M. H., 3 Aug 2021, In: Astronomy and Astrophysics. 652, 28 p., A14.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    12 Citations (Scopus)
    145 Downloads (Pure)

  • The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole

    Narayan, R., Palumbo, D. C. M., Johnson, M. D., Gelles, Z., Himwich, E., Chang, D. O., Ricarte, A., Dexter, J., Gammie, C. F., Chael, A. A., Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Baczko, A. K., Ball, D. & Baloković, M. & 218 others, Barrett, J., Benson, B. A., Bintley, D., Blackburn, L., Blundell, R., Boland, W., Bouman, K. L., Bower, G. C., Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Byun, D. Y., Carlstrom, J. E., Chan, C. K., Chatterjee, S., Chatterjee, K., Chen, M. T., Chen, Y., Chesler, P. M., Cho, I., Christian, P., Conway, J. E., Cordes, J. M., Crawford, T. M., Crew, G. B., Cruz-Osorio, A., Cui, Y., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Doeleman, S. S., Eatough, R. P., Falcke, H., Farah, J., Fish, V. L., Fomalont, E., Ford, H. A., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Fuentes, A., Galison, P., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gold, R., Gómez, J. L., Gómez-Ruiz, A. I., Gu, M., Gurwell, M., Hada, K., Haggard, D., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C. W. L., Huang, L., Hughes, D. H., Ikeda, S., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Janssen, M., Jeter, B., Jiang, W., Jimenez-Rosales, A., Jorstad, S., Jung, T., Karami, M., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, D. J., Kim, J. Y., Kim, J., Kim, J., Kino, M., Koay, J. Y., Kofuji, Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Krichbaum, T. P., Kuo, C. Y., Lauer, T. R., Lee, S. S., Levis, A., Li, Y. R., Li, Z., Lindqvist, M., Lico, R., Lindahl, G., Liu, J., Liu, K., Liuzzo, E., Lo, W. P., Lobanov, A. P., Loinard, L., Lonsdale, C., Lu, R. S., Macdonald, N. R., Mao, J., Marchili, N., Markoff, S., Marrone, D. P., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Matthews, L. D., Medeiros, L., Menten, K. M., Mizuno, I., Mizuno, Y., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Musoke, G., Mejías, A. M., Nagai, H., Nagar, N. M., Nakamura, M., Natarajan, I., Nathanail, A., Neilsen, J., Neri, R., Ni, C., Noutsos, A., Nowak, M. A., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Özel, F., Park, J., Patel, N., Pen, U. L., Pesce, D. W., Piétu, V., Plambeck, R., Popstefanija, A., Porth, O., Pötzl, F. M., Prather, B., Preciado-López, J. A., Psaltis, D., Pu, H. Y., Ramakrishnan, V., Rao, R., Rawlings, M. G., Raymond, A. W., Rezzolla, L., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruszczyk, C., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Savolainen, T., Schloerb, F. P., Schuster, K. F., Shao, L., Shen, Z., Small, D., Sohn, B. W., Soohoo, J., Sun, H., Tazaki, F., Tetarenko, A. J., Tiede, P., Tilanus, R. P. J., Titus, M., Toma, K., Torne, P., Trent, T., Traianou, E., Trippe, S., Van Bemmel, I., Van Langevelde, H. J., Van Rossum, D. R., Wagner, J., Ward-Thompson, D., Wardle, J., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y. F., Zensus, J. A., Zhao, G. Y. & Zhao, S. S., 1 May 2021, In: The Astrophysical Journal. 912, 1, 26 p., 35.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    53 Citations (Scopus)
    80 Downloads (Pure)

  • The science case and challenges of spaceborne sub-millimeter interferometry: the study case of TeraHertz Exploration and Zooming-in for Astrophysics (THEZA)

    Gurvits, L. I., Paragi, Z., Amils, R. I., van Bemmel, I., Boven, P., Casasola, V., Conway, J., Davelaar, J., Díez-González, M. C., Falcke, H., Fender, R., Frey, S., Fromm, C. M., Gallego-Puyol, J. D., García-Miró, C., Garrett, M. A., Giroletti, M., Goddi, C., Gómez, J. L. & van der Gucht, J. & 34 others, Guirado, J. C., Haiman, Z., Helmich, F., Hudson, B., Humphreys, E., Impellizzeri, V., Janssen, M., Johnson, M. D., Kovalev, Y. Y., Kramer, M., Lindqvist, M., Linz, H., Liuzzo, E., Lobanov, A. P., López-Fernández, I., Malo-Gómez, I., Masania, K., Mizuno, Y., Plavin, A. V., Rajan, R. T., Rezzolla, L., Roelofs, F., Ros, E., Rygl, K. L. J., Savolainen, T., Schuster, K., Venturi, T., Verkouter, H., de Vicente, P., Visser, P. N. A. M., Wiedner, M. C., Wielgus, M., Wiik, K. & Zensus, J. A., 2021, IAF Symposium on Ongoing and Near Future Space Astronomy and Solar-System Science Missions 2021 - Held at the 72nd International Astronautical Congress, IAC 2021. International Astronautical Federation (IAF), 29 p. (Proceedings of the International Astronautical Congress).

    Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

    Open Access

  • THEZA: TeraHertz Exploration and Zooming-in for Astrophysics: An ESA Voyage 2050 White Paper

    Gurvits, L. I., Paragi, Z., Casasola, V., Conway, J., Davelaar, J., Falcke, H., Fender, R., Frey, S., Fromm, C. M., Garcia Miro, C., Garrett, M. A., Giroletti, M., Goddi, C., Gaomez, J.-L., van der Gucht, J., Guirado, J. C., Haiman, Z., Helmich, F., Humphreys, E. & Impellizzeri, V. & 15 others, Kramer, M., Lindqvist, M., Linz, H., Liuzzo, E., Lobanov, A. P., Mizuno, Y., Rezzolla, L., Roelofs, F., Ros, E., Rygl, K. L. J., Savolainen, T., Schuster, K., Venturi, T., Wiedner, M. & Zensus, J. A., Jun 2021, In: Experimental Astronomy. 51, 3, p. 559-594 36 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    30 Citations (Scopus)
    128 Downloads (Pure)
  • 2020

    180° rotations in the polarization angle for blazars

    Cohen, M. H. & Savolainen, T., 21 Apr 2020, In: Astronomy & Astrophysics. 636, 11 p., A79.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    8 Citations (Scopus)
    163 Downloads (Pure)

  • Active galactic nuclei imaging programs of the RadioAstron mission

    Bruni, G., Savolainen, T., Gómez, J. L., Lobanov, A. P. & Kovalev, Y. Y., 15 Jan 2020, In: Advances in Space Research. 65, 2, p. 712-719 8 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    9 Citations (Scopus)
    46 Downloads (Pure)

  • A Decade of Multiwavelength Observations of the TeV Blazar 1ES 1215+303: Extreme Shift of the Synchrotron Peak Frequency and Long-term Optical–Gamma-Ray Flux Increase

    Ramazani, V. F., Hovatta, T., Savolainen, T., Lähteenmäki, A., Tornikoski, M., Fermi Large Area Telescope Collaboration & VERITAS Collaboration, 10 Mar 2020, In: The Astrophysical Journal. 891, 2, 25 p., 170.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    28 Citations (Scopus)
    170 Downloads (Pure)

  • Detection statistics of the RadioAstron AGN survey

    Kovalev, Y. Y., Kardashev, N. S., Sokolovsky, K. V., Voitsik, P. A., An, T., Anderson, J. M., Andrianov, A. S., Avdeev, V. Y., Bartel, N., Bignall, H. E., Burgin, M. S., Edwards, P. G., Ellingsen, S. P., Frey, S., García-Miró, C., Gawroński, M. P., Ghigo, F. D., Ghosh, T., Giovannini, G. & Girin, I. A. & 40 others, Giroletti, M., Gurvits, L. I., Jauncey, D. L., Horiuchi, S., Ivanov, D. V., Kharinov, M. A., Koay, J. Y., Kostenko, V. I., Kovalenko, A. V., Kovalev, Y. A., Kravchenko, E. V., Kunert-Bajraszewska, M., Kutkin, A. M., Likhachev, S. F., Lisakov, M. M., Litovchenko, I. D., McCallum, J. N., Melis, A., Melnikov, A. E., Migoni, C., Nair, D. G., Pashchenko, I. N., Phillips, C. J., Polatidis, A., Pushkarev, A. B., Quick, J. F. H., Rakhimov, I. A., Reynolds, C., Rizzo, J. R., Rudnitskiy, A. G., Savolainen, T., Shakhvorostova, N. N., Shatskaya, M. V., Shen, Z.-Q., Shchurov, M. A., Vermeulen, R. C., de Vicente, P., Wolak, P., Zensus, J. A. & Zuga, V. A., 15 Jan 2020, In: Advances in Space Research. 65, 2, p. 705-711 7 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Open Access
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    27 Citations (Scopus)
    52 Downloads (Pure)

  • Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

    Kim, J. Y., Krichbaum, T. P., Broderick, A. E., Wielgus, M., Blackburn, L., Gómez, J. L., Johnson, M. D., Bouman, K. L., Chael, A., Akiyama, K., Jorstad, S., Marscher, A. P., Issaoun, S., Janssen, M., Chan, C. K., Savolainen, T., Pesce, D. W., Özel, F., Alberdi, A. & Alef, W. & 331 others, Asada, K., Azulay, R., Baczko, A. K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Boland, W., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broguiere, D., Bronzwaer, T., Byun, D. Y., Carlstrom, J. E., Chatterjee, S., Chatterjee, K., Chen, M. T., Chen, Y., Cho, I., Christian, P., Conway, J. E., Cordes, J. M., Crew, G. B., Cui, Y., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Dexter, J., Doeleman, S. S., Eatough, R. P., Falcke, H., Fish, V. L., Fomalont, E., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gold, R., Gómez-Ruiz, A. I., Gu, M., Gurwell, M., Hada, K., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C. W. L., Lei, H., Hughes, D. H., Ikeda, S., Inoue, M., James, D. J., Jannuzi, B. T., Jeter, B., Wu, J., Jimenez-Rosales, A., Jung, T., Karami, M., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, J., Kim, J., Kino, M., Koay, J. Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Kuo, C. Y., Lauer, T. R., Lee, S. S., Li, Y. R., Li, Z., Lindqvist, M., Lico, R., Kuo, L., Liuzzo, E., Lo, W. P., Lobanov, A. P., Loinard, L., Lonsdale, C., Lu, R. S., Macdonald, N. R., Mao, J., Markoff, S., Marrone, D. P., Martí-Vidal, I., Matsushita, S., Matthews, L. D., Medeiros, L., Menten, K. M., Mizuno, Y., Mizuno, I., Moran, J. M., Moriyama, K., Moscibrodzka, M., Musoke, G., Müller, C., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Natarajan, I., Neri, R., Ni, C., Noutsos, A., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Palumbo, D. C. M., Park, J., Patel, N., Pen, U. L., Piétu, V., Plambeck, R., Popstefanija, A., Porth, O., Ben, P., Preciado-López, J. A., Psaltis, D., Pu, H. Y., Ramakrishnan, V., Rao, R., Rawlings, M. G., Raymond, A. W., Rezzolla, L., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruszczyk, C., Ryan, B. R., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Schloerb, F. P., Schuster, K. F., Shao, L., Shen, Z., Small, D., Sohn, B. W., Soohoo, J., Tazaki, F., Tiede, P., Tilanus, R. P. J., Titus, M., Toma, K., Torne, P., Trent, T., Traianou, E., Trippe, S., Tsuda, S., Van Bemmel, I., Van Langevelde, H. J., Van Rossum, D. R., Jan, W., Wardle, J., Ward-Thompson, D., Weintroub, J., Wex, N., Wharton, R., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Feng, Y., Yuan, Y. F., Zensus, J. A., Zhao, G., Zhao, S. S., Zhu, Z., Algaba, J. C., Allardi, A., Amestica, R., Anczarski, J., Bach, U., Baganoff, F. K., Beaudoin, C., Benson, B. A., Berthold, R., Blanchard, J. M., Blundell, R., Bustamente, S., Cappallo, R., Castillo-Domínguez, E., Chang, C. C., Chang, S. H., Chang, S. C., Chen, C. C., Chilson, R., Chuter, T. C., Rosado, R. C., Coulson, I. M., Crowley, J., Derome, M., Dexter, M., Dornbusch, S., Dudevoir, K. A., Dzib, S. A., Eckart, A., Eckert, C., Erickson, N. R., Everett, W. B., Faber, A., Farah, J. R., Fath, V., Folkers, T. W., Forbes, D. C., Freund, R., Gale, D. M., Feng, G., Geertsema, G., Graham, D. A., Greer, C. H., Grosslein, R., Gueth, F., Haggard, D., Halverson, N. W., Han, C. C., Han, K. C., Hao, J., Hasegawa, Y., Henning, J. W., Hernández-Gómez, A., Herrero-Illana, R., Heyminck, S., Hirota, A., Hoge, J., Huang, Y. D., Violette Impellizzeri, C. M., Jiang, H., John, D., Kamble, A., Keisler, R., Kimura, K., Kono, Y., Kubo, D., Kuroda, J., Lacasse, R., Laing, R. A., Leitch, E. M., Li, C. T., Lin, L. C. C., Liu, C. T., Liu, K. Y., Lu, L. M., Marson, R. G., Martin-Cocher, P. L., Massingill, K. D., Matulonis, C., Mccoll, M. P., Mcwhirter, S. R., Messias, H., Zheng, M. Z., Michalik, D., Montaña, A., Montgomerie, W., Mora-Klein, M., Muders, D., Nadolski, A., Navarro, S., Neilsen, J., Nguyen, C. H., Nishioka, H., Norton, T., Nowak, M. A., Nystrom, G., Ogawa, H., Oshiro, P., Parsons, H., Juan, P., Phillips, N. M., Poirier, M., Pradel, N., Primiani, R. A., Raffin, P. A., Rahlin, A. S., Reiland, G., Risacher, C., Ruiz, I., Sáez-Madaín, A. F., Sassella, R., Schellart, P., Shaw, P., Silva, K. M., Shiokawa, H., Smith, D. R., Snow, W., Souccar, K., Sousa, D., Sridharan, T. K., Srinivasan, R., Stahm, W., Stark, A. A., Story, K., Timmer, S. T., Vertatschitsch, L., Walther, C., Wei, T. S., Whitehorn, N., Whitney, A. R., Woody, D. P., Wouterloot, J. G. A., Wright, M., Yamaguchi, P., Yu, C. Y., Zeballos, M., Zhang, S. & Ziurys, L., 1 Aug 2020, In: Astronomy and Astrophysics. 640, 21 p., 69.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    71 Citations (Scopus)
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  • Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

    Event Horizon Telescope Collaboration, 1 Oct 2020, In: Physical Review Letters. 125, 14, 9 p., 141104.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    208 Citations (Scopus)
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  • Joint XMM-Newton and NuSTAR observations of the reflection spectrum of III Zw 2

    Chamani, W., Koljonen, K. & Savolainen, T., 30 Mar 2020, In: Astronomy and Astrophysics. 635, 11 p., A172.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    8 Citations (Scopus)
    204 Downloads (Pure)

  • Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope

    Event Horizon Telescope Collaboration, 20 Sept 2020, In: The Astrophysical Journal. 901, 1, 28 p., 67.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    48 Citations (Scopus)
    128 Downloads (Pure)

  • Multiband RadioAstron space VLBI imaging of the jet in quasar S5 0836+710

    Vega-García, L., Lobanov, A. P., Perucho, M., Bruni, G., Ros, E., Anderson, J. M., Agudo, I., Davis, R., Gómez, J. L., Kovalev, Y. Y., Krichbaum, T. P., Lisakov, M. M., Savolainen, T., Schinzel, F. K. & Zensus, J. A., 1 Sept 2020, In: Astronomy & Astrophysics. 641, 16 p., A40.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    10 Citations (Scopus)
    70 Downloads (Pure)

  • Probing the Innermost Regions of AGN Jets and Their Magnetic Fields with RadioAstron. III. Blazar S5 0716+71 at Microarcsecond Resolution

    Kravchenko, E. V., Gómez, J. L., Kovalev, Y. Y., Lobanov, A. P., Savolainen, T., Bruni, G., Fuentes, A., Anderson, J. M., Jorstad, S. G., Marscher, A. P., Tornikoski, M., Lähteenmäki, A. & Lisakov, M. M., 10 Apr 2020, In: The Astrophysical Journal. 893, 1, 12 p., 68.

    Research output: Contribution to journal › Article › Scientific › peer-review

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    19 Citations (Scopus)
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  • Studies of stationary features in jets: BL Lacertae: I. The dynamics and brightness asymmetry on sub-parsec scales

    Arshakian, T. G., Pushkarev, A. B., Lister, M. L. & Savolainen, T., 12 Aug 2020, In: Astronomy and Astrophysics. 640, 16 p., A62.

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  • SYMBA: An end-to-end VLBI synthetic data generation pipeline: Simulating Event Horizon Telescope observations of M 87

    Ramakrishnan, V., Savolainen, T., Zhao, S. & Event Horizon Telescope Collaboration, 1 Apr 2020, In: Astronomy and Astrophysics. 636, 19 p., 5.

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  • THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope

    Broderick, A. E., Gold, R., Karami, M., Preciado-López, J. A., Tiede, P., Pu, H. Y., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A. K., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C. & Bremer, M. & 172 others, Brinkerink, C. D., Brissenden, R., Britzen, S., Broguiere, D., Bronzwaer, T., Byun, D. Y., Carlstrom, J. E., Chael, A., Chatterjee, S., Chatterjee, K., Chen, M. T., Chen, Y., Cho, I., Conway, J. E., Cordes, J. M., Crew, G. B., Cui, Y., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Doeleman, S. S., Eatough, R. P., Falcke, H., Fish, V. L., Fomalont, E., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C. W. L., Huang, L., Hughes, D. H., Inoue, M., Issaoun, S., James, D. J., Janssen, M., Jeter, B., Jiang, W., Jiménez-Rosales, A., Johnson, M. D., Jorstad, S., Jung, T., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, J. Y., Kim, J., Kino, M., Koay, J. Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Krichbaum, T. P., Kuo, C. Y., Lee, S. S., Li, Y. R., Li, Z., Lindqvist, M., Lico, R., Liu, K., Liuzzo, E., Lo, W. P., Lobanov, A. P., Loinard, L., Lonsdale, C., Lu, R. S., MacDonald, N. R., Mao, J., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Matthews, L. D., Menten, K. M., Mizuno, Y., Mizuno, I., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Natarajan, I., Neri, R., Ni, C., Noutsos, A., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Palumbo, D. C. M., Park, J., Pen, U. L., Pesce, D. W., Piétu, V., Plambeck, R., Popstefanija, A., Porth, O., Prather, B., Ramakrishnan, V., Rao, R., Rawlings, M. G., Rezzolla, L., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Rottmann, H., Ruszczyk, C., Ryan, B. R., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Savolainen, T., Schloerb, F. P., Schuster, K. F., Shao, L., Shen, Z., Small, D., Sohn, B. W., Soohoo, J., Tazaki, F., Tilanus, R. P. J., Titus, M., Toma, K., Torne, P., Traianou, E., Trippe, S., Tsuda, S., Van Bemmel, I., Van Langevelde, H. J., Van Rossum, D. R., Wagner, J., Wardle, J., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y. F., Zensus, J. A., Zhao, G., Zhao, S. S. & Zhu, Z., 10 Jul 2020, In: The Astrophysical Journal. 897, 2, 38 p., 139.

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  • Verification of Radiative Transfer Schemes for the EHT

    Event Horizon Telescope Collaboration, 10 Jul 2020, In: The Astrophysical Journal. 897, 2, 21 p., 148.

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  • 2019

    Calibrating the power of relativistic jets

    Foschini, L., Lister, M. L., Hovatta, T., Kovalev, Y. Y., Romano, P., Vercellone, S., Lähteenmäki, A., Savolainen, T. K., Tornikoski, M., Angelakis, E., Berton, M., Braito, V., Ciroi, S., Kadler, M. & Burd, P. R., 1 Jan 2019, In: Proceedings of Science. 354, 6 p., 070.

    Research output: Contribution to journal › Conference article › Scientific › peer-review

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  • Constraining the photon coupling of ultra-light dark-matter axion-like particles by polarization variations of parsec-scale jets in active galaxies

    Ivanov, M. M., Kovalev, Y. Y., Lister, M. L., Panin, A. G., Pushkarev, A. B., Savolainen, T. & Troitsky, I. S., Feb 2019, In: Journal of Cosmology and Astroparticle Physics. 2, 23 p., 059.

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    13 Citations (Scopus)

  • First M87 Event Horizon Telescope Results. I. the Shadow of the Supermassive Black Hole

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 17 p., 1.

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  • First M87 Event Horizon Telescope Results. II. Array and Instrumentation

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 28 p., 2.

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  • First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 32 p., 3.

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  • First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 52 p., 4.

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  • First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 31 p., 5.

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  • First M87 Event Horizon Telescope Results. VI. the Shadow and Mass of the Central Black Hole

    Savolainen, T. & Event Horizon Telescope Collaboration, 10 Apr 2019, In: Astrophysical Journal Letters. 875, 1, 44 p., 6.

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  • Magnetic field at a jet base: extreme Faraday rotation in 3C 273 revealed by ALMA

    Hovatta, T., O'Sullivan, S., Marti-Vidal, I., Savolainen, T. & Tchekhovskoy, A., 1 Mar 2019, In: Astronomy & Astrophysics. 623, 9 p., A111.

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  • MOJAVE. XVII. Jet Kinematics and Parent Population Properties of Relativistically Beamed Radio-loud Blazars

    Lister, M. L., Homan, D. C., Hovatta, T., Kellermann, K., Kiehlmann, S., Kovalev, Y. Y., Max-Moerbeck, W., Pushkarev, A. B., Readhead, A. C. S., Ros, E. & Savolainen, T., 20 Mar 2019, In: The Astrophysical Journal. 874, 1, 19 p., 43.

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  • Observatory science with eXTP

    in ’t Zand, J. J. M., Bozzo, E., Qu, J. L., Li, X. D., Amati, L., Chen, Y., Donnarumma, I., Doroshenko, V., Drake, S. A., Hernanz, M., Jenke, P. A., Maccarone, T. J., Mahmoodifar, S., de Martino, D., De Rosa, A., Rossi, E. M., Rowlinson, A., Sala, G., Stratta, G. & Tauris, T. M. & 30 others, Wilms, J., Wu, X. F., Zhou, P., Agudo, I., Altamirano, D., Atteia, J. L., Andersson, N. A., Baglio, M. C., Ballantyne, D. R., Baykal, A., Behar, E., Belloni, T., Bhattacharyya, S., Bianchi, S., Bilous, A., Blay, P., Braga, J., Brandt, S., Brown, E. F., Bucciantini, N., Burderi, L., Cackett, E. M., Campana, R., Campana, S., Casella, P., Cavecchi, Y., Chambers, F., Chen, L., Chen, Y. P. & Savolainen, T., 1 Feb 2019, In: Science China: Physics, Mechanics and Astronomy. 62, 2, 42 p., 029506.

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  • Studying Black Holes on Horizon Scales with VLBI Ground Arrays

    Blackburn, L., Doeleman, S., Dexter, J., Gómez, J. L., Johnson, M. D., Palumbo, D. C., Weintroub, J., Farah, J. R., Fish, V., Loinard, L., Lonsdale, C., Narayanan, G., Patel, N. A., Pesce, D. W., Raymond, A., Tilanus, R., Wielgus, M., Akiyama, K., Bower, G. & Broderick, A. & 16 others, Deane, R., Fromm, C. M., Gammie, C., Gold, R., Janssen, M., Kawashima, T., Krichbaum, T., Marrone, D. P., Matthews, L. D., Mizuno, Y., Rezzolla, L., Roelofs, F., Ros, E., Savolainen, T. K., Yuan, F. & Zhao, G., Sept 2019, arXiv.org.

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  • The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

    Savolainen, T. & Event Horizon Telescope Collaboration, Aug 2019, In: Astrophysical Journal Supplement Series. 243, 2, 40 p., 26.

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  • 2018

    A wide and collimated radio jet in 3C84 on the scale of a few hundred gravitational radii

    Giovannini, G., Savolainen, T., Orienti, M., Nakamura, M., Nagai, H., Kino, M., Giroletti, M., Hada, K., Bruni, G., Kovalev, Y. Y., Anderson, J. M., D'Ammando, F., Hodgson, J., Honma, M., Krichbaum, T. P., Lee, S. S., Lico, R., Lisakov, M. M., Lobanov, A. P. & Petrov, L. & 5 others, Sohn, B. W., Sokolovsky, K. V., Voitsik, P. A., Zensus, J. A. & Tingay, S., 1 Jun 2018, In: Nature Astronomy. 2, 6, p. 472-477 6 p.

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  • Constraints on Particles and Fields from Full Stokes Observations of AGN

    Homan, D. C., Hovatta, T., Kovalev, Y. Y., Lister, M. L., Pushkarev, A. B. & Savolainen, T., 29 Jan 2018, In: Galaxies. 6, 1, 8 p., 17.

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  • MOJAVE. XV. VLBA 15 GHz Total Intensity and Polarization Maps of 437 Parsec-scale AGN Jets from 1996 to 2017

    Lister, M. L., Aller, M. F., Aller, H. D., Hodge, M. A., Homan, D. C., Kovalev, Y. Y., Pushkarev, A. B. & Savolainen, T., 1 Jan 2018, In: Astrophysical Journal, Supplement Series. 234, 1, 12.

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  • MOJAVE XVI: Multiepoch Linear Polarization Properties of Parsec-scale AGN Jet Cores

    Hodge, M. A., Lister, M. L., Aller, M. F., Aller, H. D., Kovalev, Y. Y., Pushkarev, A. B. & Savolainen, T., 1 Aug 2018, In: The Astrophysical Journal. 862, 2, 151.

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  • Multiwavelength Observations of the Blazar BL Lacertae: A New Fast TeV Gamma-Ray Flare

    Abeysekara, A. U., Benbow, W., Bird, R., Brantseg, T., Brose, R., Buchovecky, M., Buckley, J. H., Bugaev, V., Connolly, M. P., Cui, W., Daniel, M. K., Falcone, A., Feng, Q., Finley, J. P., Fortson, L., Furniss, A., Gillanders, G. H., Gunawardhana, I., Hütten, M. & Hanna, D. & 58 others, Hervet, O., Holder, J., Hughes, G., Humensky, T. B., Johnson, C. A., Kaaret, P., Kar, P., Kertzman, M., Krennrich, F., Lang, M. J., Lin, T. T. Y., McArthur, S., Moriarty, P., Mukherjee, R., O'Brien, S., Ong, R. A., Otte, A. N., Park, N., Petrashyk, A., Pohl, M., Pueschel, E., Quinn, J., Ragan, K., Reynolds, P. T., Richards, G. T., Roache, E., Rulten, C., Sadeh, I., Santander, M., Sembroski, G. H., Shahinyan, K., Wakely, S. P., Weinstein, A., Wells, R. M., Wilcox, P., Williams, D. A., Zitzer, B., Jorstad, S. G., Marscher, A. P., Lister, M. L., Kovalev, Y. Y., Pushkarev, A. B., Savolainen, T., Agudo, I., Molina, S. N., Gómez, J. L., Larionov, V. M., Borman, G. A., Mokrushina, A. A., Tornikoski, M., Lahteenmaki, A., Chamani, W., Enestam, S., Kiehlmann, S., Hovatta, T., Smith, P. S., Pontrelli, P. & Pohl, M., 1 Apr 2018, In: The Astrophysical Journal. 856, 2, 14 p., 95.

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  • Reversals in the Direction of Polarization Rotation in OJ 287

    Cohen, M. H., Aller, H. D., Aller, M. F., Hovatta, T., Kharb, P., Kovalev, Y. Y., Lister, M. L., Meier, D. L., Pushkarev, A. B. & Savolainen, T., 20 Jul 2018, In: The Astrophysical Journal. 862, 1, 18 p., 1.

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  • VLBA polarimetric monitoring of 3C 111

    Beuchert, T., Kadler, M., Perucho, M., Großberger, C., Schulz, R., Agudo, I., Casadio, C., Gómez, J. L., Gurwell, M., Homan, D., Kovalev, Y. Y., Lister, M. L., Markoff, S., Molina, S. N., Pushkarev, A. B., Ros, E., Savolainen, T., Steinbring, T., Thum, C. & Wilms, J., 22 Feb 2018, In: Astronomy and Astrophysics. 610, 19 p., A32.

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  • 2017

    A connection between γ-ray and parsec-scale radio flares in the blazar 3C 273

    Lisakov, M. M., Kovalev, Y. Y., Savolainen, T., Hovatta, T. & Kutkin, A. M., 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 4, p. 4478-4493 16 p.

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  • Linear polarization properties of parsec-scale AGN jets

    Pushkarev, A. B., Kovalev, Y. Y., Lister, M. L., Savolainen, T., Aller, M. F., Aller, H. D. & Hodge, M. A., 1 Dec 2017, In: Galaxies. 5, 4, 93.

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    21 Citations (Scopus)
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