Search results

  • 2025

    Accessing a New Population of Supermassive Black Holes with Extensions to the Event Horizon Telescope

    Zhang, X. A., Ricarte, A., Pesce, D. W., Johnson, M. D., Nagar, N., Narayan, R., Ramakrishnan, V., Doeleman, S., Palumbo, D. C. M. & Event Horizon Telescope Collaboration, 20 May 2025, In: Astrophysical Journal. 985, 1, 41.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Downloads (Pure)
  • Active galactic nucleus time-variability analysis and its caveats

    Kankkunen, S., Tornikoski, M. & Hovatta, T., 1 Jan 2025, In: Astronomy and Astrophysics. 693, 14 p., A319.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    3 Downloads (Pure)
  • A multifrequency study of sub-parsec jets with the Event Horizon Telescope

    Savolainen, T., Ramakrishnan, V., Wiik, K. & Event Horizon Telescope Collaboration, 1 Mar 2025, In: Astronomy and Astrophysics. 695, 21 p., A233.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Downloads (Pure)
  • Open Access
    File
    1 Citation (Scopus)
    8 Downloads (Pure)
  • Gamma-ray flares from the jet of the blazar CTA 102 in 2016–2018

    Kim, S., Lee, S. S., Algaba, J. C., Rani, B., Park, J., Jeong, H. W., Cheong, W. Y., D’Ammando, F., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Agudo, I., Casadio, C., Escudero, J., Fuentes, A., Traianou, E., Myserlis, I. & Thum, C., 1 Feb 2025, In: Astronomy and Astrophysics. 694, A291.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Downloads (Pure)
  • High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet

    Agudo, I., Liodakis, I., Otero-Santos, J., Middei, R., Marscher, A., Jorstad, S., Zhang, H., Li, H., Di Gesu, L., Romani, R. W., Kim, D. E., Fenu, F., Marshall, H. L., Pacciani, L., Pedrosa, J. E., Aceituno, F. J., Agís-González, B., Bonnoli, G., Casanova, V. & Morcuende, D. & 130 others, Piirola, V., Sota, A., Kouch, P. M., Lindfors, E., McCall, C., Jermak, H. E., Steele, I. A., Borman, G. A., Grishina, T. S., Hagen-Thorn, V. A., Kopatskaya, E. N., Larionova, E. G., Morozova, D. A., Savchenko, S. S., Shishkina, E. V., Troitskiy, I. S., Troitskaya, Y. V., Vasilyev, A. A., Zhovtan, A. V., Myserlis, I., Gurwell, M., Keating, G., Rao, R., Kang, S., Lee, S. S., Kim, S., Cheong, W. Y., Jeong, H. W., Angelakis, E., Kraus, A., Blinov, D., Maharana, S., Bachev, R., Jormanainen, J., Nilsson, K., Fallah Ramazani, V., Casadio, C., Fuentes, A., Traianou, E., Thum, C., Gómez, J. L., Antonelli, L. A., Bachetti, M., Baldini, L., Baumgartner, W. H., Bellazzini, R., Bianchi, S., Bongiorno, S. D., Bonino, R., Brez, A., Bucciantini, N., Capitanio, F., Castellano, S., Cavazzuti, E., Chen, C. T., Ciprini, S., Costa, E., De Rosa, A., Del Monte, E., Di Lalla, N., Di Marco, A., Donnarumma, I., Doroshenko, V., Dovčiak, M., Ehlert, S. R., Enoto, T., Evangelista, Y., Fabiani, S., Ferrazzoli, R., García, J. A., Gunji, S., Hayashida, K., Heyl, J., Iwakiri, W., Kaaret, P., Karas, V., Kislat, F., Kitaguchi, T., Kolodziejczak, J. J., Krawczynski, H., La Monaca, F., Latronico, L., Maldera, S., Manfreda, A., Marin, F., Marinucci, A., Massaro, F., Matt, G., Mitsuishi, I., Mizuno, T., Muleri, F., Negro, M., Ng, C. Y., O’Dell, S. L., Omodei, N., Oppedisano, C., Papitto, A., Pavlov, G. G., Peirson, A. L., Perri, M., Pesce-Rollins, M., Petrucci, P. O., Pilia, M., Possenti, A., Poutanen, J., Puccetti, S., Ramsey, B. D., Rankin, J., Ratheesh, A., Roberts, O. J., Sgrò, C., Slane, P., Soffitta, P., Spandre, G., Swartz, D. A., Tamagawa, T., Tavecchio, F., Taverna, R., Tawara, Y., Tennant, A. F., Thomas, N. E., Tombesi, F., Trois, A., Tsygankov, S. S., Turolla, R., Vink, J., Weisskopf, M. C., Wu, K., Xie, F. & Zane, S., 20 May 2025, In: Astrophysical Journal Letters. 985, 1, 18 p., L15.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
  • Long-term radio variability of active galactic nuclei at 37 GHz

    Kankkunen, S., Tornikoski, M., Hovatta, T. & Lähteenmäki, A., 1 Jan 2025, In: Astronomy and Astrophysics. 693, 22 p., A318.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    5 Downloads (Pure)
  • Open Access
    File
    1 Downloads (Pure)
  • Multi-epoch leptohadronic modeling of neutrino source candidate blazar PKS 0735+178

    Omeliukh, A., Garrappa, S., Ramazani, V. F., Franckowiak, A., Winter, W., Lindfors, E., Nilsson, K., Jormanainen, J., Wierda, F., Filippenko, A. V., Zheng, W., Tornikoski, M., Lahteenmaki, A., Kankkunen, S. & Tammi, J., 27 Mar 2025, In: Astronomy & Astrophysics. 695, p. 1-15 15 p., A266.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Downloads (Pure)
  • Open Access
    File
    5 Downloads (Pure)
  • Optimizing the hunt for extraterrestrial high-energy neutrino counterparts

    Kouch, P. M., Lindfors, E., Hovatta, T., Liodakis, I., Koljonen, K. I. I., Nilsson, K., Jormanainen, J., Fallah Ramazani, V. & Graham, M. J., 4 Apr 2025, In: Astronomy & Astrophysics. 696, p. 1-22 22 p., A73.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Downloads (Pure)
  • PKS 2131−021-Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary

    Kiehlmann, S., de la Parra, P. V., Sullivan, A. G., Synani, A., Liodakis, I., Mróz, P., Næss, S. K., Readhead, A. C. S., Begelman, M. C., Blandford, R. D., Chatziioannou, K., Ding, Y., Graham, M. J., Harrison, F., Homan, D. C., Hovatta, T., Kulkarni, S. R., Lister, M. L., Maiolino, R. & Max-Moerbeck, W. & 14 others, Molina, B., O’Dea, C. P., Pavlidou, V., Pearson, T. J., Aller, M. F., Lawrence, C. R., Lazio, T. J. W., O’Neill, S., Prince, T. A., Ravi, V., Reeves, R. A., Tassis, K., Vallisneri, M. & Zensus, J. A., 20 May 2025, In: Astrophysical Journal. 985, 1, 22 p., 59.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Downloads (Pure)
  • Spectral Energy Distribution Variability of the Blazar OJ 287 During 2009-2021

    Zuo, W., Gupta, A. C., Gu, M., Valtonen, M. J., Jorstad, S. G., Aller, M. F., Lahteenmaki, A., Kiehlmann, S., Kushwaha, P., Aller, H. D., Chen, L., Readhead, A. C. S., Tornikoski, M. & Yuan, Q., 1 Feb 2025, In: Astrophysical Journal. 979, 2, 210.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    6 Downloads (Pure)
  • Open Access
    File
    2 Citations (Scopus)
    5 Downloads (Pure)
  • The polarisation behaviour of OJ 287 viewed through radio, millimetre, and optical observations between 2015 and 2017

    Jormanainen, J., Hovatta, T., Lindfors, E., Berdyugin, A., Chamani, W., Fallah Ramazani, V., Jermak, H., Jorstad, S. G., Lähteenmäki, A., Mccall, C., Nilsson, K., Smith, P., Steele, I. A., Tammi, J., Tornikoski, M. & Wierda, F., 1 Feb 2025, In: Astronomy and Astrophysics. 694, A206.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    12 Downloads (Pure)
  • Time-dependent modelling of short-term variability in the TeV-blazar VER J0521+211 during the major flare in 2020

    MAGIC Collaboration, Feb 2025, In: Astronomy and Astrophysics. 694, A308.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Downloads (Pure)
  • Tracking X-Ray Variability in Next-generation EHT Low-luminosity Active Galactic Nucleus Targets

    Ford, N. M., Nowak, M., Ramakrishnan, V., Haggard, D., Dage, K., Nair, D. G. & Chan, C. K., 10 Mar 2025, In: Astrophysical Journal. 981, 2, 14 p., 126.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Downloads (Pure)
  • X-Ray Polarization of the High-synchrotron-peak BL Lacertae Object 1ES 1959+650 during Intermediate and High X-Ray Flux States

    Pacciani, L., Kim, D. E., Middei, R., Marshall, H. L., Marscher, A. P., Liodakis, I., Agudo, I., Jorstad, S. G., Poutanen, J., Errando, M., Di Gesu, L., Negro, M., Tavecchio, F., Wu, K., Chen, C. T., Muleri, F., Antonelli, L. A., Donnarumma, I., Ehlert, S. R. & Massaro, F. & 113 others, O’Dell, S. L., Perri, M., Puccetti, S., Aceituno, F. J., Bonnoli, G., Casanova, V., Escudero, J., Agís-González, B., Husillos, C., Morcuende, D., Otero-Santos, J., Sota, A., Kouch, P. M., Lindfors, E., Borman, G. A., Gómez, J. L., Kopatskaya, E. N., Larionova, E. G., Morozova, D. A., Savchenko, S. S., Vasilyev, A. A., Zhovtan, A. V., Blinov, D., Gourni, A., Kiehlmann, S., Kourtidis, A., Mandarakas, N., Palaiologou, E., Triantafyllou, N., Vervelaki, A., Myserlis, I., Gurwell, M., Keating, G., Rao, R., Angelakis, E., Kraus, A., Bachetti, M., Baldini, L., Baumgartner, W. H., Bellazzini, R., Bianchi, S., Bongiorno, S. D., Bonino, R., Brez, A., Bucciantini, N., Capitanio, F., Castellano, S., Cavazzuti, E., Ciprini, S., Costa, E., De Rosa, A., Del Monte, E., Di Lalla, N., Di Marco, A., Doroshenko, V., Dovčiak, M., Enoto, T., Evangelista, Y., Fabiani, S., Ferrazzoli, R., Garcia, J. A., Gunji, S., Hayashida, K., Heyl, J., Iwakiri, W., Kaaret, P., Karas, V., Kislat, F., Kitaguchi, T., Kolodziejczak, J. J., Krawczynski, H., La Monaca, F., Latronico, L., Maldera, S., Manfreda, A., Marin, F., Marinucci, A., Matt, G., Mitsuishi, I., Mizuno, T., Ng, C. Y., Omodei, N., Oppedisano, C., Papitto, A., Pavlov, G. G., Peirson, A. L., Pesce-Rollins, M., Petrucci, P. O., Pilia, M., Possenti, A., Ramsey, B. D., Rankin, J., Ratheesh, A., Roberts, O. J., Romani, R. W., Sgró, C., Slane, P., Soffitta, P., Spandre, G., Swartz, D. A., Tamagawa, T., Taverna, R., Tawara, Y., Tennant, A. F., Thomas, N. E., Tombesi, F., Trois, A., Tsygankov, S. S., Turolla, R., Vink, J., Weisskopf, M. C., Xie, F. & Zane, S., 10 Apr 2025, In: Astrophysical Journal. 983, 1, 78.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Downloads (Pure)
  • 2024

    A detection of the 22P3/2−22S1/2 fine-structure transition of hydrogen in the radio spectrum of the Sun?

    Lehtinen, K., Kallunki, J. & Kallio, E., Aug 2024, In: Astrophysics and Space Science. 369, 8, 86.

    Research output: Contribution to journalArticleScientificpeer-review

  • A Kpc-scale radio polarization study of PG BL Lacs with the uGMRT

    Baghel, J., Kharb, P., Hovatta, T., Gulati, S., Lindfors, E. & Silpa, S., 1 Jan 2024, In: Monthly Notices of the Royal Astronomical Society. 527, 1, p. 672-688 17 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    3 Citations (Scopus)
    37 Downloads (Pure)
  • A multifrequency view on the characteristics and evolution of narrow-line Seyfert 1 galaxies

    Varglund, I., 2024, Aalto University. 228 p.

    Research output: ThesisDoctoral ThesisCollection of Articles

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

    Cheong, W. Y., Lee, S. S., Kim, S. H., Kang, S., Kim, J. Y., Rani, B., Readhead, A. C. S., Kiehlmann, S., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Agudo, I., Fuentes, A., Traianou, E., Escudero, J., Thum, C., Myserlis, I., Casadio, C. & Gurwell, M., 1 Jan 2024, In: Monthly Notices of the Royal Astronomical Society. 527, 1, p. 882-894 13 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    4 Citations (Scopus)
    126 Downloads (Pure)
  • Association of the IceCube neutrinos with blazars in the CGRaBS sample

    Kouch, P. M., Lindfors, E., Hovatta, T., Liodakis, I., Koljonen, K. I. I., Nilsson, K., Kiehlmann, S., Max-Moerbeck, W., Readhead, A. C. S., Reeves, R. A., Pearson, T. J., Jormanainen, J., Ramazani, V. F. & Graham, M. J., 1 Oct 2024, In: Astronomy and Astrophysics. 690, A111.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    10 Downloads (Pure)
  • Cross-Polarization Gain Calibration of Linearly Polarized VLBI Antennas by Observations of 4C 39.25

    Jaron, F., Martí-Vidal, I., Schartner, M., González-García, J., Albentosa-Ruiz, E., Bernhart, S., Böhm, J., Gruber, J., Modiri, S., Nothnagel, A., Pérez-Díez, V., Savolainen, T., Soja, B., Varenius, E. & Xu, M. H., Apr 2024, In: Radio Science. 59, 4, e2023RS007892.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    50 Downloads (Pure)
  • Dark matter line searches with the Cherenkov Telescope Array

    Hovatta, T. & The CTAO Consortium, 1 Jul 2024, In: Journal of Cosmology and Astroparticle Physics. 2024, 7, 047.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    5 Citations (Scopus)
    15 Downloads (Pure)
  • Distance estimation of gamma-ray-emitting BL Lac objects from imaging observations

    Nilsson, K., Fallah Ramazani, V., Lindfors, E., Goldoni, P., Becerra González, J., Acosta Pulido, J. A., Clavero, R., Otero-Santos, J., Pursimo, T., Pita, S., Kouch, P. M., Boisson, C., Backes, M., Cotter, G., D'Ammando, F. & Kasai, E., 1 Nov 2024, In: Astronomy and Astrophysics. 691, A154.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    4 Downloads (Pure)
  • Distinguishing radiation mechanisms and particle populations in blazar jets through long-term multiband monitoring with RINGO3 and Fermi

    McCall, C., Jermak, H., Steele, I. A., Agudo, I., de Almeida, U. B., Hovatta, T., Lamb, G. P., Lindfors, E. & Mundell, C., 1 Aug 2024, In: Monthly Notices of the Royal Astronomical Society. 532, 2, p. 2788-2819 32 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    10 Downloads (Pure)
  • Evidence of a toroidal magnetic field in the core of 3C 84

    Paraschos, G. F., Debbrecht, L. C., Kramer, J. A., Traianou, E., Liodakis, I., Krichbaum, T. P., Kim, J. Y., Janssen, M., Nair, D. G., Savolainen, T., Ros, E., Bach, U., Hodgson, J. A., Lisakov, M., Macdonald, N. R. & Zensus, J. A., 1 Jun 2024, In: Astronomy and Astrophysics. 686, L5.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    6 Citations (Scopus)
    24 Downloads (Pure)
  • First characterization of the emission behavior of Mrk 421 from radio to very high-energy gamma rays with simultaneous X-ray polarization measurements

    Abe, S., Abhir, J., Acciari, V. A., Agudo, I., Aniello, T., Ansoldi, S., Antonelli, L. A., Arbet-Engels, A., Arcaro, C., Artero, M., Asano, K., Babić, A., Baquero, A., de Almeida, U. B., Barrio, J. A., Batković, I., Baxter, J., González, J. B., Bednarek, W. & Bernardini, E. & 234 others, Bernete, J., Berti, A., Besenrieder, J., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bošnjak, Burelli, I., Busetto, G., Campoy-Ordaz, A., Carosi, A., Carosi, R., Carretero-Castrillo, M., Castro-Tirado, A. J., Ceribella, G., Chai, Y., Cifuentes, A., Cikota, S., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D'Ammando, F., D'Amico, G., D'Elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., de Menezes, R., Del Popolo, A., Delgado, J., Mendez, C. D., Di Pierro, F., Di Venere, L., Prester, D. D., Donini, A., Dorner, D., Doro, M., Elsaesser, D., Emery, G., Escudero, J., Fariña, L., Fattorini, A., Foffano, L., Font, L., Fröse, S., Fukami, S., Fukazawa, Y., López, R. J. G., Garczarczyk, M., Gasparyan, S., Gaug, M., Paiva, J. G. G., Giglietto, N., Giordano, F., Gliwny, P., Godinović, N., Gradetzke, T., Grau, R., Green, D., Green, J. G., Günther, P., Hadasch, D., Hahn, A., Hassan, T., Heckmann, L., Herrera, J., Hrupec, D., Hütten, M., Imazawa, R., Inada, T., Ishio, K., Martínez, I. J., Jormanainen, J., Kerszberg, D., Kluge, G. W., Kobayashi, Y., Kouch, P. M., Kubo, H., Kushida, J., Lezáun, M. L., Lamastra, A., Leone, F., Lindfors, E., Linhoff, L., Lombardi, S., Longo, F., López-Coto, R., López-Moya, M., López-Oramas, A., Loporchio, S., Lorini, A., de Oliveira Fraga, B. M., Majumdar, P., Makariev, M., Maneva, G., Mang, N., Manganaro, M., Mangano, S., Mannheim, K., Mariotti, M., Martínez, M., Martínez-Chicharro, M., Mas-Aguilar, A., Mazin, D., Menchiari, S., Mender, S., Miceli, D., Miener, T., Miranda, J. M., Mirzoyan, R., González, M. M., Molina, E., Mondal, H. A., Moralejo, A., Morcuende, D., Nakamori, T., Nanci, C., Nava, L., Neustroev, V., Nickel, L., Rosillo, M. N., Nigro, C., Nikolić, L., Nilsson, K., Nishijima, K., Ekoume, T. N., Noda, K., Nozaki, S., Ohtani, Y., Okumura, A., Otero-Santos, J., Paiano, S., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Pavlović, D., Peresano, M., Persic, M., Pihet, M., Pirola, G., Podobnik, F., Moroni, P. G. P., Prandini, E., Principe, G., Priyadarshi, C., Rhode, W., Ribó, M., Rico, J., Righi, C., Sahakyan, N., Saito, T., Satalecka, K., Saturni, F. G., Schleicher, B., Schmidt, K., Schmuckermaier, F., Schubert, J. L., Schweizer, T., Sciaccaluga, A., Sitarek, J., Sliusar, V., Sobczynska, D., Stamerra, A., Strišković, J., Strom, D., Strzys, M., Suda, Y., Suutarinen, S., Tajima, H., Takahashi, M., Tavecchio, F., Tavecchio, F., Temnikov, P., Terauchi, K., Terzić, T., Teshima, M., Tosti, L., Truzzi, S., Tutone, A., Ubach, S., van Scherpenberg, J., Acosta, M. V., Ventura, S., Viale, I., Vigorito, C. F., Vitale, V., Vovk, I., Walter, R., Will, M., Wunderlich, C., Yamamoto, T., Liodakis, I., Jorstad, S. G., Di Gesu, L., Donnarumma, I., Kim, D. E., Marscher, A. P., Middei, R., Perri, M., Puccetti, S., Verrecchia, F., Leto, C., De La Calle Pérez, I., Jiménez-Bailón, E., Blinov, D., Bourbah, I. G., Kiehlmann, S., Kontopodis, E., Mandarakas, N., Skalidis, R., Vervelaki, A., Aceituno, F. J., Agís-González, B., Sota, A., Sasada, M., Fukazawa, Y., Kawabata, K. S., Uemura, M., Mizuno, T., Akitaya, H., Casadio, C., Myserlis, I., Sievers, A., Lähteenmäki, A., Syrjärinne, I., Tornikoski, M., Salomé, Q., Gurwell, M., Keating, G. K. & Rao, R., 1 Apr 2024, In: Astronomy and Astrophysics. 684, A127.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    3 Citations (Scopus)
    30 Downloads (Pure)
  • First Sagittarius A∗ Event Horizon Telescope Results. VII. Polarization of the Ring

    Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Baloković, M., Bandyopadhyay, B., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blackburn, L., Blundell, R., Bouman, K. L. & Bower, G. C. & 31 others, Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Bustamante, S., Byun, D. Y., Carlstrom, J. E., Ceccobello, C., Chael, A., Chan, C. K., Chang, D. O., Chatterjee, K., Chatterjee, S., Chen, M. T., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Kim, D. J., Li, Z., Ramakrishnan, V., Savolainen, T., Wagner, J., Washington, J. E., Wiik, K. & Event Horizon Telescope Collaboration, 1 Apr 2024, In: Astrophysical Journal Letters. 964, 2, p. 1-32 32 p., L25.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    35 Citations (Scopus)
    50 Downloads (Pure)
  • Open Access
    File
    39 Citations (Scopus)
    32 Downloads (Pure)
  • First Very Long Baseline Interferometry Detections at 870 μm

    Raymond, A. W., Doeleman, S. S., Asada, K., Blackburn, L., Bower, G. C., Bremer, M., Broguiere, D., Chen, M. T., Crew, G. B., Dornbusch, S., Fish, V. L., García, R., Gentaz, O., Goddi, C., Han, C. C., Hecht, M. H., Huang, Y. D., Janssen, M., Keating, G. K. & Koay, J. Y. & 258 others, Krichbaum, T. P., Lo, W. P., Matsushita, S., Matthews, L. D., Moran, J. M., Norton, T. J., Patel, N., Pesce, D. W., Ramakrishnan, V., Rottmann, H., Roy, A. L., Sánchez, S., Tilanus, R. P. J., Titus, M., Torne, P., Wagner, J., Weintroub, J., Wielgus, M., Young, A., Akiyama, K., Albentosa-Ruíz, E., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Balokovic, M., Bandyopadhyay, B., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blundell, R., Bouman, K. L., Boyce, H., Brissenden, R., Britzen, S., Broderick, A. E., Bronzwaer, T., Bustamante, S., Carlstrom, J. E., Chael, A., Chan, C. K., Chang, D. O., Chatterjee, K., Chatterjee, S., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Conway, J. E., Crawford, T. M., Cruz-Osorio, A., Cui, Y., Dahale, R., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Dexter, J., Dhruv, V., Dihingia, I. K., Dzib, S. A., Eatough, R. P., Emami, R., Falcke, H., Farah, J., Fomalont, E., Fontana, A. L., Ford, H. A., Foschi, M., Fraga-Encinas, R., Freeman, W. T., Friberg, P., Fromm, C. M., Fuentes, A., Galison, P., Gammie, C. F., Georgiev, B., Gold, R., Gómez-Ruiz, A. I., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Haggard, D., Hesper, R., Heumann, D., Ho, L. C., Ho, P., Honma, M., Huang, C. W. L., Huang, L., Hughes, D. H., Ikeda, S., Impellizzeri, C. M. V., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Jeter, B., Jiang, W., Jiménez-Rosales, A., Johnson, M. D., Jorstad, S., Jones, A. C., Joshi, A. V., Jung, T., Karuppusamy, R., Kawashima, T., Kettenis, M., Kim, D. J., Kim, J. Y., Kim, J., Kim, J., Kino, M., Kocherlakota, P., Kofuji, Y., Koch, P. M., Koyama, S., Kramer, C., Kramer, J. A., Kramer, M., Kubo, D., Kuo, C. Y., La Bella, N., Lee, S. S., Levis, A., Li, Z., Lico, R., Lindahl, G., Lindqvist, M., Lisakov, M., Liu, J., Liu, K., Liuzzo, E., Lobanov, A. P., Loinard, L., Lonsdale, C. J., Lowitz, A. E., Lu, R. S., MacDonald, N. R., Mahieu, S., Maier, D., Mao, J., Marchili, N., Markoff, S., Marrone, D. P., Marscher, A. P., Martí-Vidal, I., Medeiros, L., Menten, K. M., Mizuno, I., Mizuno, Y., Montgomery, J., Moriyama, K., Moscibrodzka, M., Mulaudzi, W., Müller, C., Müller, H., Mus, A., Musoke, G., Myserlis, I., Nagai, H., Nagar, N. M., Nakamura, M., Narayanan, G., Natarajan, I., Nathanail, A., Fuentes, S. N., Neilsen, J., Ni, C., Nowak, M. A., Oh, J., Okino, H., Olivares Sánchez, H. R., Oyama, T., Özel, F., Palumbo, D. C. M., Paraschos, G. F., Park, J., Parsons, H., Pen, U. L., Piétu, V., PopStefanija, A., Porth, O., Prather, B., Principe, G., Psaltis, D., Pu, H. Y., Raffin, P. A., Rao, R., Rawlings, M. G., Ricarte, A., Ripperda, B., Roelofs, F., Romero-Cañizales, C., Ros, E., Roshanineshat, A., Ruiz, I., Ruszczyk, C., Rygl, K. L. J., Sánchez-Argüelles, D., Sánchez-Portal, M., Sasada, M., Satapathy, K., Savolainen, T., Schloerb, F. P., Schonfeld, J., Schuster, K. F., Shao, L., Shen, Z., Small, D., Sohn, B. W., SooHoo, J., Sosapanta Salas, L. D., Souccar, K., Stanway, J. S., Sun, H., Tazaki, F., Tetarenko, A. J., Tiede, P., Toma, K., Toscano, T., Traianou, E., Trent, T., Trippe, S., Turk, M., van Bemmel, I., van Langevelde, H. J., van Rossum, D. R., Vos, J., Ward-Thompson, D., Wardle, J., Washington, J. E., Wharton, R., Wiik, K., Witzel, G., Wondrak, M. F., Wong, G. N., Wu, Q., Yadlapalli, N., Yamaguchi, P., Yfantis, A., Yoon, D., Younsi, Z., Yu, W., Yuan, F., Yuan, Y. F., Zensus, J. A., Zhang, S., Zhao, G. Y. & Zhao, S. S., 1 Sept 2024, In: Astronomical Journal. 168, 3, 130.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    7 Citations (Scopus)
    27 Downloads (Pure)
  • Galaxy group-associated distances to very high energy gamma-ray emitting BL Lacs KUV 00311-1938 and S2 0109+22

    Koljonen, K. I. I., Lindfors, E., Nilsson, K., Heinämäki, P. & Kotilainen, J. K., 25 Jun 2024, In: Monthly Notices of the Royal Astronomical Society. 531, 4, p. 5084-5096 13 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    8 Downloads (Pure)
  • Host galaxy of low-luminosity compact sources

    Vietri, A., Berton, M., Järvelä, E., Kunert-Bajraszewska, M., Ciroi, S., Varglund, I., Dalla Barba, B., Sani, E. & Crepaldi, L., 1 Sept 2024, In: Astronomy and Astrophysics. 689, A123.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    12 Downloads (Pure)
  • Open Access
    File
    5 Citations (Scopus)
    11 Downloads (Pure)
  • Intermediate-luminosity Type IIP SN 2021gmj : a low-energy explosion with signatures of circumstellar material

    Murai, Y., Tanaka, M., Kawabata, M., Taguchi, K., Teja, R. S., Nakaoka, T., Maeda, K., Kawabata, K. S., Nagao, T., Moriya, T. J., Sahu, D. K., Anupama, G. C., Tominaga, N., Morokuma, T., Imazawa, R., Inutsuka, S., Isogai, K., Kasuga, T., Kobayashi, N. & Kondo, S. & 11 others, Maehara, H., Mori, Y., Niino, Y., Ogawa, M., Ohsawa, R., Okumura, S. I., Saito, S., Sako, S., Takahashi, H., Uno, K. & Yamanaka, M., 1 Mar 2024, In: Monthly Notices of the Royal Astronomical Society. 528, 3, p. 4209-4227 19 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    6 Citations (Scopus)
    20 Downloads (Pure)
  • Investigating Differences in the Palomar-Green Blazar Population Using Polarization

    Baghel, J., Kharb, P., Hovatta, T., Ho, L. C., Harrison, C., Lindfors, E., Silpa, S. & Gulati, S., 1 Dec 2024, In: Astrophysical Journal. 977, 2, 192.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    5 Downloads (Pure)
  • IXPE observation of PKS 2155-304 reveals the most highly polarized blazar

    Kouch, P. M., Liodakis, I., Middei, R., Kim, D. E., Tavecchio, F., Marscher, A. P., Marshall, H. L., Ehlert, S. R., Di Gesu, L., Jorstad, S. G., Agudo, I., Madejski, G. M., Romani, R. W., Errando, M., Lindfors, E., Nilsson, K., Toppari, E., Potter, S. B., Imazawa, R. & Sasada, M. & 116 others, Fukazawa, Y., Kawabata, K. S., Uemura, M., Mizuno, T., Nakaoka, T., Akitaya, H., Mccall, C., Jermak, H. E., Steele, I. A., Myserlis, I., Gurwell, M., Keating, G. K., Rao, R., Kang, S., Lee, S. S., Kim, S. H., Cheong, W. Y., Jeong, H. W., Angelakis, E., Kraus, A., Aceituno, F. J., Bonnoli, G., Casanova, V., Escudero, J., Agís-González, B., Husillos, C., Morcuende, D., Otero-Santos, J., Sota, A., Bachev, R., Antonelli, L. A., Bachetti, M., Baldini, L., Baumgartner, W. H., Bellazzini, R., Bianchi, S., Bongiorno, S. D., Bonino, R., Brez, A., Bucciantini, N., Capitanio, F., Castellano, S., Cavazzuti, E., Chen, C. T., Ciprini, S., Costa, E., De Rosa, A., Del Monte, E., Di Lalla, N., Di Marco, A., Donnarumma, I., Doroshenko, V., Dovčiak, M., Enoto, T., Evangelista, Y., Fabiani, S., Ferrazzoli, R., Garcia, J. A., Gunji, S., Hayashida, K., Heyl, J., Iwakiri, W., Kaaret, P., Karas, V., Kislat, F., Kitaguchi, T., Kolodziejczak, J. J., Krawczynski, H., La Monaca, F., Latronico, L., Maldera, S., Manfreda, A., Marin, F., Marinucci, A., Massaro, F., Matt, G., Mitsuishi, I., Muleri, F., Negro, M., Ng, C. Y., O'dell, S. L., Omodei, N., Oppedisano, C., Papitto, A., Pavlov, G. G., Peirson, A. L., Perri, M., Pesce-Rollins, M., Petrucci, P. O., Pilia, M., Possenti, A., Poutanen, J., Puccetti, S., Ramsey, B. D., Rankin, J., Ratheesh, A., Roberts, O. J., Sgrò, C., Slane, P., Soffitta, P., Spandre, G., Swartz, D. A., Tamagawa, T., Taverna, R., Tawara, Y., Tennant, A. F., Thomas, N. E., Tombesi, F., Trois, A., Tsygankov, S. S., Turolla, R., Vink, J., Weisskopf, M. C., Wu, K., Xie, F. & Zane, S., 1 Sept 2024, In: Astronomy and Astrophysics. 689, p. 1-17 17 p., A119.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    12 Citations (Scopus)
    7 Downloads (Pure)
  • Long-term study of the intermittent extreme behaviour of 1ES 2344+514

    Arbet Engels, A., Mondal, H. A., Fukami, S., D’Ammando, F., Dorner, D., Chatterjee, R., Majumdar, P., Manganaro, M., Hovatta, T., Das, S., Raiteri, C. M., Villata, M., Perri, M., Verrechia, F., Leto, C., Filippenko, A., Zheng, W. & MAGIC Collaboration, 27 Sept 2024, In: Proceedings of Science. 444, 788.

    Research output: Contribution to journalConference articleScientificpeer-review

    Open Access
    File
    9 Downloads (Pure)
  • Mitigating the effect of source structure in geodetic VLBI by re-weighting observations using closure delays and baseline-to-jet orientation

    Kareinen, N., Zubko, N., Savolainen, T., Xu, M. H. & Poutanen, M., 9 May 2024, In: Journal of Geodesy. 98, 5, p. 1-22 22 p., 38.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    21 Downloads (Pure)
  • Multiwavelength observations of the lensed quasar PKS 1830-211 during the 2019 γ-ray flare

    Vercellone, S., Donnarumma, I., Pittori, C., Capitanio, F., De Rosa, A., Di Gesu, L., Kiehlmann, S., Iacolina, M. N., Pellizzoni, P. A., Egron, E., Pacciani, L., Piano, G., Puccetti, S., Righini, S., Valente, G., Verrecchia, F., Vittorini, V., Tavani, M., Brocato, E. & Chen, A. W. & 15 others, Hovatta, T., Melis, A., Max-Moerbeck, W., Perrodin, D., Pilia, M., Pili, M., Readhead, A. C. S., Reeves, R., Ridolfi, A., Vitali, F., Bulgarelli, A., Cattaneo, P. W., Lucarelli, F., Morselli, A. & Trois, A., 1 Jan 2024, In: Monthly Notices of the Royal Astronomical Society. 527, 3, p. 5717-5731 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    20 Downloads (Pure)
  • Open Access
    File
    5 Citations (Scopus)
    31 Downloads (Pure)
  • Ordered magnetic fields around the 3C 84 central black hole

    Paraschos, G. F., Kim, J. Y., Wielgus, M., Röder, J., Krichbaum, T. P., Ros, E., Agudo, I., Myserlis, I., Moscibrodzka, M., Traianou, E., Zensus, J. A., Blackburn, L., Chan, C. K., Issaoun, S., Janssen, M., Johnson, M. D., Fish, V. L., Akiyama, K., Alberdi, A. & Alef, W. & 263 others, Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Baloković, M., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blundell, R., Bouman, K. L., Bower, G. C., Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Bustamante, S., Byun, D. Y., Carlstrom, J. E., Ceccobello, C., Chael, A., Chang, D. O., Chatterjee, K., Chatterjee, S., Chen, M. T., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Conway, J. E., Cordes, J. M., Crawford, T. M., Crew, G. B., Cruz-Osorio, A., Cui, Y., Dahale, R., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Dexter, J., Dhruv, V., Doeleman, S. S., Dougal, S., Dzib, S. A., Eatough, R. P., Emami, R., Falcke, H., Farah, J., Fomalont, E., Ford, H. A., Foschi, M., Fraga-Encinas, R., Freeman, W. T., Friberg, P., Fromm, C. M., Fuentes, A., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gold, R., Gómez-Ruiz, A. I., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Haggard, D., Haworth, K., Hecht, M. H., Hesper, R., Heumann, D., Ho, L. C., Ho, P., Honma, M., Huang, C. L., Huang, L., Hughes, D. H., Ikeda, S., Impellizzeri, C. M. V., Inoue, M., James, D. J., Jannuzi, B. T., Jeter, B., Jaing, W., Jiménez-Rosales, A., Jorstad, S., Joshi, A. V., Jung, T., Karami, M., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, D. J., Kim, J., Kim, J., Kino, M., Koay, J. Y., Kocherlakota, P., Kofuji, Y., Koch, P. M., Koyama, S., Kramer, C., Kramer, J. A., Kramer, M., Kuo, C. Y., La Bella, N., Lauer, T. R., Lee, D., Lee, S. S., Leung, P. K., Levis, A., Li, Z., Lico, R., Lindahl, G., Lindqvist, M., Lisakov, M., Liu, J., Liu, K., Liuzzo, E., Lo, W. P., Lobanov, A. P., Loinard, L., Lonsdale, C. J., Lowitz, A. E., 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., Michalik, D., Mizuno, I., Mizuno, Y., Moran, J. M., Moriyama, K., Mulaudzi, W., Müller, C., Müller, H., Mus, A., Musoke, G., Nadolski, A., Nagai, H., Nagar, N. M., Nakamura, M., Narayanan, G., Natarajan, I., Nathanail, A., Navarro Fuentes, S., Neilsen, J., Neri, R., Ni, C., Noutsos, A., Nowak, M. A., Oh, J., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., ÖZel, F., Palumbo, D. C. M., Park, J., Parsons, H., Patel, N., Pen, U. L., 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., Ricarte, A., Ripperda, B., Roelofs, F., Rogers, A., Romero-Cañizales, C., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruiz, I., Ruszczyk, C., Rygl, K. L. J., Sánchez, S., Sánchez-Argüelles, D., Sánchez-Portal, M., Sasada, M., Satapathy, K., Savolainen, T., Schloerb, F. P., Schonfeld, J., Schuster, K., Shao, L., Shen, Z., Small, D., Sohn, B. W., Soohoo, J., Sosapanta Salas, L. D., Souccar, K., Sun, H., Tazaki, F., Tetarenko, A. J., Tiede, P., Tilanus, R. P. J., Titus, M., Torne, P., Toscano, T., Trent, T., Trippe, S., Turk, M., Van Bemmel, I., Van Langevelde, H. J., Van Rossum, D. R., Vos, J., Wagner, J., Ward-Thompson, D., Wardle, J., Washington, J. E., Weintroub, J., Wharton, R., Wiik, K., Witzel, G., Wondrak, M. F., Wong, G. N., Wu, Q., Yadlapalli, N., Yamaguchi, P., Yfantis, A., Yoon, D., Young, A., Young, K., Younsi, Z., Yu, W., Yuan, F., Yuan, Y. F., Zhang, S., Zhao, G. Y. & Zhao, S. S., 1 Feb 2024, In: Astronomy and Astrophysics. 682, 15 p., L3.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    14 Citations (Scopus)
    23 Downloads (Pure)
  • Physical conditions in Centaurus A’s northern filaments II. Does the HCO+ emission highlight the presence of shocks?

    Salomé, Q., Salomé, P., Godard, B., Guillard, P. & Gusdorf, A., 1 Oct 2024, In: Astronomy and Astrophysics. 690, L18.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    3 Downloads (Pure)
  • Revisiting Radio Variability of the Blazar 3C 454.3

    Tripathi, A., Gupta, A. C., Smith, K. L., Wiita, P. J., Aller, M. F., Volvach, A. E., Lahteenmaki, A., Aller, H. D., Tornikoski, M. & Volvach, L. N., 1 Dec 2024, In: Astrophysical Journal. 977, 2, 166.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    6 Downloads (Pure)
  • Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope

    Hovatta, T., ANTARES Collaboration & OVRO Collaboration, 1 Mar 2024, In: Astrophysical Journal. 964, 1, 3.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    7 Citations (Scopus)
    7 Downloads (Pure)
  • The enigmatic double-peaked stripped-envelope SN 2023aew

    Kangas, T., Kuncarayakti, H., Nagao, T., Kotak, R., Kankare, E., Fraser, M., Stevance, H., Mattila, S., Maeda, K., Stritzinger, M., Lundqvist, P., Elias-Rosa, N., Ferrari, L., Folatelli, G., Frohmaier, C., Galbany, L., Kawabata, M., Koutsiona, E., Müller-Bravo, T. E. & Piscarreta, L. & 12 others, Pursiainen, M., Singh, A., Taguchi, K., Teja, R. S., Valerin, G., Pastorello, A., Benetti, S., Cai, Y. Z., Charalampopoulos, P., Gutiérrez, C. P., Kravtsov, T. & Reguitti, A., 1 Sept 2024, In: Astronomy and Astrophysics. 689, A182.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    6 Downloads (Pure)
  • The impact of improved estimates of radio star astrometric models on the alignment of the Gaia bright reference frame to ICRF3

    Lunz, S., Anderson, J. M., Xu, M. H., Heinkelmann, R., Titov, O., Lestrade, J. F., Johnson, M. C., Shu, F., Chen, W., Melnikov, A., Mikhailov, A., Mccallum, J., Lopez, Y., De Vicente Abad, P. & Schuh, H., 1 Sept 2024, In: Astronomy and Astrophysics. 689, A134.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    7 Downloads (Pure)
  • The metamorphosis of the Type Ib SN 2019yvr: late-time interaction

    Ferrari, L., Folatelli, G., Kuncarayakti, H., Stritzinger, M., Maeda, K., Bersten, M., Román Aguilar, L. M., Sáez, M. M., Dessart, L., Lundqvist, P., Mazzali, P., Nagao, T., Ashall, C., Bose, S., Brennan, S. J., Cai, Y., Handberg, R., Holmbo, S., Karamehmetoglu, E. & Pastorello, A. & 15 others, Reguitti, A., Anderson, J., Chen, T. W., Galbany, L., Gromadzki, M., Gutiérrez, C. P., Inserra, C., Kankare, E., Müller Bravo, T. E., Mattila, S., Nicholl, M., Pignata, G., Sollerman, J., Srivastav, S. & Young, D. R., 1 Mar 2024, In: Monthly Notices of the Royal Astronomical Society: Letters. 529, 1, p. L33-L40

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    6 Citations (Scopus)
    27 Downloads (Pure)
  • The persistent shadow of the supermassive black hole of M 87: I. Observations, calibration, imaging, and analysis*

    Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Baloković, M., Bandyopadhyay, B., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blackburn, L., Blundell, R., Bouman, K. L. & Bower, G. C. & 31 others, Boyce, H., Bremer, M., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Bustamante, S., Carlstrom, J. E., Chael, A., Chan, C. K., Chang, D. O., Chatterjee, K., Chatterjee, S., Chen, M. T., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Conway, J. E., Crawford, T. M., Crew, G. B., Cruz-Osorio, A., Cui, Y., Dahale, R., Davelaar, J., Ramakrishnan, V., Savolainen, T., Wiik, K. & Event Horizon Telescope Collaboration, 18 Jan 2024, In: Astronomy and Astrophysics. 681, 63 p., A79.

    Research output: Contribution to journalArticleScientificpeer-review

    Open Access
    File
    46 Citations (Scopus)
    43 Downloads (Pure)