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  1. Ansatte

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Karri Iiro Iisakki Koljonen

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Karri Iiro Iisakki Koljonen

Forsker
Institutt for fysikk

karri.koljonen@ntnu.no
Realfagbygget, D5-113, Gløshaugen
Publikasjoner

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Alle publikasjoner i Nasjonalt vitenarkiv (NVA)

2026

  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Paggi, Alessandro; Nilsson, Kari; Jormanainen, Jenni; Ramazani, Vandad Fallah; Kankkunen, Sofia; Wierda, Folkert; Wagner, Sarah M.; Graham, Matthew J.. (2026) CAZ catalog and optical light curves of 7918 blazar-selected active galactic nuclei. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Hovatta, Talvikki; Lindfors, Elina; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Paggi, Alessandro. (2026) Association of the IceCube neutrinos with CAZ blazar light curves. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Langis, D. A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Kouch, P. M.. (2026) Probing the statistical correlation of optical tidal disruption events with high-energy neutrinos. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Floris, A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Lindfors, E.; Agís-González, B.; Paggi, A.; Blinov, D.; Nilsson, K.; Agudo, I.; Charalampopoulos, P.; Pedrosa, J. Escudero; Piirola, V.. (2026) Polarisation angle variability in tidal disruption events. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Zdziarski, Andrzej A.; Dmytriiev, Anton; Koljonen, Karri Iiro Iisakki. (2026) The Counterjet Dominates the Production of PeV Photons from Cyg X-3. Astrophysical Journal Letters
    Vitenskapelig artikkel
  • Langis, D. A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Paggi, A.; Globus, N.; Wyrzykowski, L.; Mikołajczyk, P. J.; Kotysz, K.; Zieliński, P.; Ihanec, N.; Ding, J.; Morshed, D.; Torres, Z.. (2026) Repeating flares, X-ray outbursts and delayed infrared emission: A comprehensive compilation of optical tidal disruption events TDECat. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri Iiro Iisakki; Miles-Páez, Paulo A.; Simpson-Parry, Jordan Asher. (2026) COBIPLANE: A Systematic Search for Compact Binary Millisecond Pulsars at Low Galactic Latitudes. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel

2025

  • Hughes, Andrew K.; Carotenuto, Francesco; Russell, Thomas D.; Tetarenko, Alexandra J.; Miller-Jones, James C.A.; Bahramian, Arash; Bright, Joe S.; Cowie, Fraser J.; Fender, Rob; Gurwell, Mark A.; Khaulsay, Jasvinderjit K.; Kirby, Anastasia; Jones, Serena; Lescure, Elodie; McCollough, Michael; Plotkin, Richard M.; Rao, Ramprasad; Vrtilek, Saeqa D.; Williams-Baldwin, David R.A.; Wood, Callan M.; Sivakoff, Gregory R.; Altamirano, Diego; Casella, Piergiorgio; Corbel, Stéphane; DeBoer, David R.; Santo, Melania Del; Echiburú-Trujillo, Constanza; Farah, Wael; Gandhi, Poshak; Koljonen, Karri Iiro Iisakki; Maccarone, Thomas; Matthews, James H.; Markoff, Sera B.; Pollak, Alexander W.; Russell, David M.; Saikia, Payaswini; Segura, Noel Castro; Shaw, Aarran W.; Siemion, Andrew; Soria, Roberto; Tomsick, John A.; Eijnden, Jakob van den. (2025) Comprehensive Radio Monitoring of the Black Hole X-Ray Binary Swift J1727.8−1613 during Its 2023-2024 Outburst. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel
  • Floris, A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Lindfors, E.; Agís-Gonzalez, B.; Paggi, A.; Blinov, D.; Nilsson, K.; Agudo, I.; Charalampopoulos, P.; Teodori, M. A. Díaz; Pedrosa, J. Escudero; Otero-Santos, J.; Piirola, V.; Newsome, M.; Velzen, S. Van. (2025) Polarimetric diversity in tidal disruption events: Comparative study of low-polarised sources with AT2020mot. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Hughes, A. K.; Carotenuto, F.; Russell, T. D.; Tetarenko, A. J.; Miller-Jones, J. C.A.; Plotkin, R. M.; Bahramian, A.; Bright, J. S.; Cowie, F. J.; Crook-Mansour, J.; Fender, R.; Khaulsay, J. K.; Kirby, A.; Jones, S.; McCollough, M.; Rao, R.; Sivakoff, G. R.; Vrtilek, S. D.; Williams-Baldwin, D. R.A.; Wood, C. M.; Altamirano, D.; Casella, P.; Segura, N. Castro; Corbel, S.; Santo, M. Del; Echiburú-Trujillo, C.; Eijnden, J. Van Den; Gallo, E.; Gandhi, P.; Koljonen, Karri Iiro Iisakki; MacCarone, T.; Markoff, S. B.; Motta, S.; Russell, D. M.; Saikia, P.; Shaw, A. W.; Soria, R.; Tomsick, J. A.; Yu, W.; Zhang, X.. (2025) The peculiar hard state behaviour of the black hole X-ray binary Swift J1727.8-1613. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Vilhu, O.; Koljonen, Karri Iiro Iisakki. (2025) Birthplaces of X-ray emission lines in Cygnus X-3. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Liodakis, Ioannis; Lindfors, Elina. (2025) Optical polarization properties of the closest tidal disruption event at 2023clx indicate origin from tidal stream shocks. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Miura, Daiki; Yamaguchi, Hiroya; Ballhausen, Ralf; Kallman, Timothy; Enoto, Teruaki; Yamada, Shinya; Hakamata, Tomohiro; Tomaru, Ryota; Odaka, Hirokazu; Hell, Natalie; Nakajima, Hiroshi; Watanabe, Shin; Hayashi, Tasuku; Kitamoto, Shunji; Yamaoka, Kazutaka; Miller, Jon M.; Okabe, Keigo; Maruzuka, Itsuki; Koljonen, Karri Iiro Iisakki; McCollough, Mike. (2025) XRISM spectroscopy on orbital modulation of Fe Lyα lines in Cygnus X-3. Publications of the Astronomical Society of Japan (PASJ)
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Linares, Manuel; Miller-Jones, J.C.A.. (2025) Jet break revealed in the transitional millisecond pulsar candidate 4FGL J0427.8-6704. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Jormanainen, Jenni; Ramazani, Vandad Fallah; Graham, Matthew J.. (2025) Optimizing the hunt for extraterrestrial high-energy neutrino counterparts. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Misra, Devina; Koljonen, Karri Iiro Iisakki; Linares, Manuel. (2025) The slowest spinning Galactic-field spider PSR J1932+2121: a history of inefficient mass transfer. Monthly Notices of the Royal Astronomical Society: Letters (MNRAS Letters)
    Vitenskapelig artikkel

2024

  • Koljonen, Karri Iiro Iisakki; Lindfors, Elina; Nilsson, Kari; Heinämäki, Pekka; Kotilainen, Jari. (2024) Galaxy group-associated distances to very high energy gamma-ray emitting BL Lacs KUV 00311-1938 and S2 0109+22. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Lindseth, Sindre Synnes; Linares Alegret, Manuel; Harding, A.K.; Turchetta, Marco. (2024) The invisible black widow PSR J1720−0534: implications for the electron density towards the North Polar Spur. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri Iiro Iisakki; Casares, Jorge; Miles-Páez, Paulo A.; Rodríguez-Gil, Pablo; Shahbaz, Tariq; Simpson-Parry, Jordan Asher. (2024) COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Kiehlmann, Sebastian; Max-Moerbeck, Walter; Readhead, Anthony C.S.; Reeves, Rodrigo A.; Pearson, Timothy J.; Jormanainen, Jenni; Ramazani, Vandad Fallah; Graham, Matthew J.. (2024) Association of the IceCube neutrinos with blazars in the CGRaBS sample. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Echiburú-Trujillo, Constanza; Tetarenko, Alexandra J.; Haggard, Daryl; Russell, Thomas D.; Koljonen, Karri Iiro Iisakki; Bahramian, Arash; Wang, Jingyi; Bremer, Michael; Bright, Joe; Casella, Piergiorgio; Russell, David M.; Altamirano, Diego; Baglio, M. Cristina; Belloni, Tomaso; Ceccobello, Chiara; Corbel, Stephane; Trigo, Maria Diaz; Maitra, Dipankar; Gabuya, Aldrin; Gallo, Elena; Heinz, Sebastian; Homan, Jeroen; Kara, Erin; Körding, Elmar; Lewis, Fraser; Lucchini, Matteo; Markoff, Sera; Migliari, Simone; Miller-Jones, James C. A.; Rodriguez, Jerome; Saikia, Payaswini; Sarazin, Craig L.; Shahbaz, Tariq; Sivakoff, Gregory; Soria, Roberto; Testa, Vincenzo; Tetarenko, Bailey E.; Tudose, Valeriu. (2024) Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel
  • Audard, Marc; Awaki, Hisamitsu; Ballhausen, Ralf; Bamba, Aya; Behar, Ehud; Boissay-Malaquin, Rozenn; Brenneman, Laura; Brown, Gregory V.; Corrales, Lia; Costantini, Elisa; Cumbee, Renata; Trigo, María Díaz; Done, Chris; Dotani, Tadayasu; Ebisawa, Ken; Eckart, Megan E.; Eckert, Dominique; Eguchi, Satoshi; Enoto, Teruaki; Ezoe, Yuichiro; Foster, Adam; Fujimoto, Ryuichi; Fujita, Yutaka; Fukazawa, Yasushi; Fukushima, Kotaro; Furuzawa, Akihiro; Gallo, Luigi; García, Javier A.; Gu, Liyi; Guainazzi, Matteo; Hagino, Kouichi; Hamaguchi, Kenji; Hatsukade, Isamu; Hayashi, Katsuhiro; Hayashi, Takayuki; Hell, Natalie; Hodges-Kluck, Edmund; Hornschemeier, Ann; Ichinohe, Yuto; Ishida, Manabu; Ishikawa, Kumi; Ishisaki, Yoshitaka; Kaastra, Jelle; Kallman, Timothy; Kara, Erin; Katsuda, Satoru; Kanemaru, Yoshiaki; Kelley, Richard; Kilbourne, Caroline; Kitamoto, Shunji; Kobayashi, Shogo; Kohmura, Takayoshi; Kubota, Aya; Leutenegger, Maurice; Loewenstein, Michael; Maeda, Yoshitomo; Markevitch, Maxim; Matsumoto, Hironori; Matsushita, Kyoko; McCammon, Dan; McNamara, Brian; Mernier, François; Miller, Eric D.; Miller, Jon M.; Mitsuishi, Ikuyuki; Mizumoto, Misaki; Mizuno, Tsunefumi; Mori, Koji; Mukai, Koji; Murakami, Hiroshi; Mushotzky, Richard; Nakajima, Hiroshi; Nakazawa, Kazuhiro; Ness, Jan-Uwe; Nobukawa, Kumiko; Nobukawa, Masayoshi; Noda, Hirofumi; Odaka, Hirokazu; Ogawa, Shoji; Ogorzalek, Anna; Okajima, Takashi; Ota, Naomi; Paltani, Stephane; Petre, Robert; Plucinsky, Paul; Porter, Frederick S.; Pottschmidt, Katja; Sato, Kosuke; Sato, Toshiki; Sawada, Makoto; Seta, Hiromi; Shidatsu, Megumi; Simionescu, Aurora; Smith, Randall; Suzuki, Hiromasa; Szymkowiak, Andrew; Takahashi, Hiromitsu; Takeo, Mai; Tamagawa, Toru; Tamura, Keisuke; Tanaka, Takaaki; Tanimoto, Atsushi; Tashiro, Makoto; Terada, Yukikatsu; Terashima, Yuichi; Tsuboi, Yohko; Tsujimoto, Masahiro; Tsunemi, Hiroshi; Tsuru, Takeshi; Uchida, Hiroyuki; Uchida, Nagomi; Uchida, Yuusuke; Uchiyama, Hideki; Ueda, Yoshihiro; Uno, Shinichiro; Vink, Jacco; Watanabe, Shin; Williams, Brian J.; Yamada, Satoshi; Yamada, Shinya; Yamaguchi, Hiroya; Yamaoka, Kazutaka; Yamasaki, Noriko; Yamauchi, Makoto; Yamauchi, Shigeo; Yaqoob, Tahir; Yoneyama, Tomokage; Yoshida, Tessei; Yukita, Mihoko; Zhuravleva, Irina; Tomaru, Ryota; Hayashi, Tasuku; Hakamata, Tomohiro; Miura, Daiki; Koljonen, Karri Iiro Iisakki; McCollough, Mike. (2024) The XRISM/Resolve View of the Fe K Region of Cyg X-3. Astrophysical Journal Letters
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Liodakis, Ioannis; Lindfors, Elina; Nilsson, Kari; Reynolds, Thomas M.; Charalampopoulos, Panos; Kouroumpatzakis, Konstantinos; McCall, Callum; Jermak, Helen E.; Steele, Iain A.; Carbajo-Hijarrubia, Juan. (2024) The extreme coronal line emitter AT 2022fpx: varying optical polarization properties and late-time X-ray flare. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel

2023

  • Liodakis, I.; Koljonen, Karri; Blinov, D.; Lindfors, E.; Alexander, K.D.; Hovatta, T.; Berton, M.; Hajela, A.; Jormanainen, J.; Kouroumpatzakis, K.; Mandarakas, N.; Nilsson, K.. (2023) Optical polarization from colliding stellar stream shocks in a tidal disruption event. Science
    Vitenskapelig artikkel
  • Koljonen, Karri; Long, K.S.; Matthews, J.H.; Knigge, C.. (2023) The origin of optical emission lines in the soft state of X-ray binary outbursts: The case of MAXI J1820+070. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Koljonen, Karri; Satalecka, Konstancja; Lindfors, Elina; Liodakis, Ioannis. (2023) Microquasar Cyg X-3 - a unique jet-wind neutrino factory?. Monthly Notices of the Royal Astronomical Society: Letters (MNRAS Letters)
    Vitenskapelig artikkel
  • Vilhu, O.; Koljonen, Karri; Hannikainen, D.C.. (2023) Secrets behind the RXTE/ASM light curve of Cyg X-3: Feedback between wind-fed accretion and luminosity. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Koljonen, Karri; Linares Alegret, Manuel. (2023) A Gaia view of the optical and X-ray luminosities of compact binary millisecond pulsars. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri; Sen, Bidisha. (2023) Quantifying irradiation in spider pulsars: the extreme case of PSR J1622-0315. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel

2022

  • Panizo-Espinar, G.; Padilla, M. Armas; Muñoz-Darias, T.; Koljonen, Karri; Cúneo, V.A.; Sánchez-Sierras, J.; Sánchez, D. Mata; Casares, J.; Corral-Santana, J.; Fender, R.P.; Jiménez-Ibarra, F.; Ponti, G.; Steeghs, D.; Torres, M.A.P.. (2022) Discovery of optical and infrared accretion disc wind signatures in the black hole candidate MAXI J1348-630. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Saikia, Payaswini; Russell, David M.; Baglio, M.C.; Bramich, D.M.; Casella, Piergiorgio; Trigo, Maria Diaz; Gandhi, Poshak; Jiang, Jiachen; Maccarone, Thomas; Soria, Roberto; Noori, Hind Al; Yazeedi, Aisha Al; Alabarta, Kevin; Belloni, Tomaso; Bel, Marion Cadolle; Ceccobello, Chiara; Corbel, Stéphane; Fender, Rob; Gallo, Elena; Homan, Jeroen; Koljonen, Karri; Lewis, Fraser; Markoff, Sera B.; Miller-Jones, James C. A.; Rodriguez, Jerome; Russell, Thomas D.; Shahbaz, Tariq; Sivakoff, Gregory R.; Testa, Vincenzo; Tetarenko, Alexandra J.. (2022) A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel

Tidsskriftspublikasjoner

  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Paggi, Alessandro; Nilsson, Kari; Jormanainen, Jenni; Ramazani, Vandad Fallah; Kankkunen, Sofia; Wierda, Folkert; Wagner, Sarah M.; Graham, Matthew J.. (2026) CAZ catalog and optical light curves of 7918 blazar-selected active galactic nuclei. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Hovatta, Talvikki; Lindfors, Elina; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Paggi, Alessandro. (2026) Association of the IceCube neutrinos with CAZ blazar light curves. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Langis, D. A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Kouch, P. M.. (2026) Probing the statistical correlation of optical tidal disruption events with high-energy neutrinos. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Floris, A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Lindfors, E.; Agís-González, B.; Paggi, A.; Blinov, D.; Nilsson, K.; Agudo, I.; Charalampopoulos, P.; Pedrosa, J. Escudero; Piirola, V.. (2026) Polarisation angle variability in tidal disruption events. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Zdziarski, Andrzej A.; Dmytriiev, Anton; Koljonen, Karri Iiro Iisakki. (2026) The Counterjet Dominates the Production of PeV Photons from Cyg X-3. Astrophysical Journal Letters
    Vitenskapelig artikkel
  • Langis, D. A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Paggi, A.; Globus, N.; Wyrzykowski, L.; Mikołajczyk, P. J.; Kotysz, K.; Zieliński, P.; Ihanec, N.; Ding, J.; Morshed, D.; Torres, Z.. (2026) Repeating flares, X-ray outbursts and delayed infrared emission: A comprehensive compilation of optical tidal disruption events TDECat. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri Iiro Iisakki; Miles-Páez, Paulo A.; Simpson-Parry, Jordan Asher. (2026) COBIPLANE: A Systematic Search for Compact Binary Millisecond Pulsars at Low Galactic Latitudes. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel
  • Hughes, Andrew K.; Carotenuto, Francesco; Russell, Thomas D.; Tetarenko, Alexandra J.; Miller-Jones, James C.A.; Bahramian, Arash; Bright, Joe S.; Cowie, Fraser J.; Fender, Rob; Gurwell, Mark A.; Khaulsay, Jasvinderjit K.; Kirby, Anastasia; Jones, Serena; Lescure, Elodie; McCollough, Michael; Plotkin, Richard M.; Rao, Ramprasad; Vrtilek, Saeqa D.; Williams-Baldwin, David R.A.; Wood, Callan M.; Sivakoff, Gregory R.; Altamirano, Diego; Casella, Piergiorgio; Corbel, Stéphane; DeBoer, David R.; Santo, Melania Del; Echiburú-Trujillo, Constanza; Farah, Wael; Gandhi, Poshak; Koljonen, Karri Iiro Iisakki; Maccarone, Thomas; Matthews, James H.; Markoff, Sera B.; Pollak, Alexander W.; Russell, David M.; Saikia, Payaswini; Segura, Noel Castro; Shaw, Aarran W.; Siemion, Andrew; Soria, Roberto; Tomsick, John A.; Eijnden, Jakob van den. (2025) Comprehensive Radio Monitoring of the Black Hole X-Ray Binary Swift J1727.8−1613 during Its 2023-2024 Outburst. The Astrophysical Journal (ApJ)
    Vitenskapelig artikkel
  • Floris, A.; Liodakis, I.; Koljonen, Karri Iiro Iisakki; Lindfors, E.; Agís-Gonzalez, B.; Paggi, A.; Blinov, D.; Nilsson, K.; Agudo, I.; Charalampopoulos, P.; Teodori, M. A. Díaz; Pedrosa, J. Escudero; Otero-Santos, J.; Piirola, V.; Newsome, M.; Velzen, S. Van. (2025) Polarimetric diversity in tidal disruption events: Comparative study of low-polarised sources with AT2020mot. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Hughes, A. K.; Carotenuto, F.; Russell, T. D.; Tetarenko, A. J.; Miller-Jones, J. C.A.; Plotkin, R. M.; Bahramian, A.; Bright, J. S.; Cowie, F. J.; Crook-Mansour, J.; Fender, R.; Khaulsay, J. K.; Kirby, A.; Jones, S.; McCollough, M.; Rao, R.; Sivakoff, G. R.; Vrtilek, S. D.; Williams-Baldwin, D. R.A.; Wood, C. M.; Altamirano, D.; Casella, P.; Segura, N. Castro; Corbel, S.; Santo, M. Del; Echiburú-Trujillo, C.; Eijnden, J. Van Den; Gallo, E.; Gandhi, P.; Koljonen, Karri Iiro Iisakki; MacCarone, T.; Markoff, S. B.; Motta, S.; Russell, D. M.; Saikia, P.; Shaw, A. W.; Soria, R.; Tomsick, J. A.; Yu, W.; Zhang, X.. (2025) The peculiar hard state behaviour of the black hole X-ray binary Swift J1727.8-1613. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Vilhu, O.; Koljonen, Karri Iiro Iisakki. (2025) Birthplaces of X-ray emission lines in Cygnus X-3. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Liodakis, Ioannis; Lindfors, Elina. (2025) Optical polarization properties of the closest tidal disruption event at 2023clx indicate origin from tidal stream shocks. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Miura, Daiki; Yamaguchi, Hiroya; Ballhausen, Ralf; Kallman, Timothy; Enoto, Teruaki; Yamada, Shinya; Hakamata, Tomohiro; Tomaru, Ryota; Odaka, Hirokazu; Hell, Natalie; Nakajima, Hiroshi; Watanabe, Shin; Hayashi, Tasuku; Kitamoto, Shunji; Yamaoka, Kazutaka; Miller, Jon M.; Okabe, Keigo; Maruzuka, Itsuki; Koljonen, Karri Iiro Iisakki; McCollough, Mike. (2025) XRISM spectroscopy on orbital modulation of Fe Lyα lines in Cygnus X-3. Publications of the Astronomical Society of Japan (PASJ)
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Linares, Manuel; Miller-Jones, J.C.A.. (2025) Jet break revealed in the transitional millisecond pulsar candidate 4FGL J0427.8-6704. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Liodakis, I.; Koljonen, Karri; Blinov, D.; Lindfors, E.; Alexander, K.D.; Hovatta, T.; Berton, M.; Hajela, A.; Jormanainen, J.; Kouroumpatzakis, K.; Mandarakas, N.; Nilsson, K.. (2023) Optical polarization from colliding stellar stream shocks in a tidal disruption event. Science
    Vitenskapelig artikkel
  • Panizo-Espinar, G.; Padilla, M. Armas; Muñoz-Darias, T.; Koljonen, Karri; Cúneo, V.A.; Sánchez-Sierras, J.; Sánchez, D. Mata; Casares, J.; Corral-Santana, J.; Fender, R.P.; Jiménez-Ibarra, F.; Ponti, G.; Steeghs, D.; Torres, M.A.P.. (2022) Discovery of optical and infrared accretion disc wind signatures in the black hole candidate MAXI J1348-630. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Koljonen, Karri; Long, K.S.; Matthews, J.H.; Knigge, C.. (2023) The origin of optical emission lines in the soft state of X-ray binary outbursts: The case of MAXI J1820+070. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Jormanainen, Jenni; Ramazani, Vandad Fallah; Graham, Matthew J.. (2025) Optimizing the hunt for extraterrestrial high-energy neutrino counterparts. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Lindfors, Elina; Nilsson, Kari; Heinämäki, Pekka; Kotilainen, Jari. (2024) Galaxy group-associated distances to very high energy gamma-ray emitting BL Lacs KUV 00311-1938 and S2 0109+22. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Koljonen, Karri Iiro Iisakki; Lindseth, Sindre Synnes; Linares Alegret, Manuel; Harding, A.K.; Turchetta, Marco. (2024) The invisible black widow PSR J1720−0534: implications for the electron density towards the North Polar Spur. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri Iiro Iisakki; Casares, Jorge; Miles-Páez, Paulo A.; Rodríguez-Gil, Pablo; Shahbaz, Tariq; Simpson-Parry, Jordan Asher. (2024) COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars. The Astrophysical Journal (ApJ)
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  • Koljonen, Karri; Satalecka, Konstancja; Lindfors, Elina; Liodakis, Ioannis. (2023) Microquasar Cyg X-3 - a unique jet-wind neutrino factory?. Monthly Notices of the Royal Astronomical Society: Letters (MNRAS Letters)
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  • Vilhu, O.; Koljonen, Karri; Hannikainen, D.C.. (2023) Secrets behind the RXTE/ASM light curve of Cyg X-3: Feedback between wind-fed accretion and luminosity. Astronomy and Astrophysics (A & A)
    Vitenskapelig artikkel
  • Misra, Devina; Koljonen, Karri Iiro Iisakki; Linares, Manuel. (2025) The slowest spinning Galactic-field spider PSR J1932+2121: a history of inefficient mass transfer. Monthly Notices of the Royal Astronomical Society: Letters (MNRAS Letters)
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  • Koljonen, Karri; Linares Alegret, Manuel. (2023) A Gaia view of the optical and X-ray luminosities of compact binary millisecond pulsars. Monthly notices of the Royal Astronomical Society
    Vitenskapelig artikkel
  • Kouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri Iiro Iisakki; Nilsson, Kari; Kiehlmann, Sebastian; Max-Moerbeck, Walter; Readhead, Anthony C.S.; Reeves, Rodrigo A.; Pearson, Timothy J.; Jormanainen, Jenni; Ramazani, Vandad Fallah; Graham, Matthew J.. (2024) Association of the IceCube neutrinos with blazars in the CGRaBS sample. Astronomy and Astrophysics (A & A)
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  • Echiburú-Trujillo, Constanza; Tetarenko, Alexandra J.; Haggard, Daryl; Russell, Thomas D.; Koljonen, Karri Iiro Iisakki; Bahramian, Arash; Wang, Jingyi; Bremer, Michael; Bright, Joe; Casella, Piergiorgio; Russell, David M.; Altamirano, Diego; Baglio, M. Cristina; Belloni, Tomaso; Ceccobello, Chiara; Corbel, Stephane; Trigo, Maria Diaz; Maitra, Dipankar; Gabuya, Aldrin; Gallo, Elena; Heinz, Sebastian; Homan, Jeroen; Kara, Erin; Körding, Elmar; Lewis, Fraser; Lucchini, Matteo; Markoff, Sera; Migliari, Simone; Miller-Jones, James C. A.; Rodriguez, Jerome; Saikia, Payaswini; Sarazin, Craig L.; Shahbaz, Tariq; Sivakoff, Gregory; Soria, Roberto; Testa, Vincenzo; Tetarenko, Bailey E.; Tudose, Valeriu. (2024) Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling. The Astrophysical Journal (ApJ)
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  • Saikia, Payaswini; Russell, David M.; Baglio, M.C.; Bramich, D.M.; Casella, Piergiorgio; Trigo, Maria Diaz; Gandhi, Poshak; Jiang, Jiachen; Maccarone, Thomas; Soria, Roberto; Noori, Hind Al; Yazeedi, Aisha Al; Alabarta, Kevin; Belloni, Tomaso; Bel, Marion Cadolle; Ceccobello, Chiara; Corbel, Stéphane; Fender, Rob; Gallo, Elena; Homan, Jeroen; Koljonen, Karri; Lewis, Fraser; Markoff, Sera B.; Miller-Jones, James C. A.; Rodriguez, Jerome; Russell, Thomas D.; Shahbaz, Tariq; Sivakoff, Gregory R.; Testa, Vincenzo; Tetarenko, Alexandra J.. (2022) A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters. The Astrophysical Journal (ApJ)
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  • Audard, Marc; Awaki, Hisamitsu; Ballhausen, Ralf; Bamba, Aya; Behar, Ehud; Boissay-Malaquin, Rozenn; Brenneman, Laura; Brown, Gregory V.; Corrales, Lia; Costantini, Elisa; Cumbee, Renata; Trigo, María Díaz; Done, Chris; Dotani, Tadayasu; Ebisawa, Ken; Eckart, Megan E.; Eckert, Dominique; Eguchi, Satoshi; Enoto, Teruaki; Ezoe, Yuichiro; Foster, Adam; Fujimoto, Ryuichi; Fujita, Yutaka; Fukazawa, Yasushi; Fukushima, Kotaro; Furuzawa, Akihiro; Gallo, Luigi; García, Javier A.; Gu, Liyi; Guainazzi, Matteo; Hagino, Kouichi; Hamaguchi, Kenji; Hatsukade, Isamu; Hayashi, Katsuhiro; Hayashi, Takayuki; Hell, Natalie; Hodges-Kluck, Edmund; Hornschemeier, Ann; Ichinohe, Yuto; Ishida, Manabu; Ishikawa, Kumi; Ishisaki, Yoshitaka; Kaastra, Jelle; Kallman, Timothy; Kara, Erin; Katsuda, Satoru; Kanemaru, Yoshiaki; Kelley, Richard; Kilbourne, Caroline; Kitamoto, Shunji; Kobayashi, Shogo; Kohmura, Takayoshi; Kubota, Aya; Leutenegger, Maurice; Loewenstein, Michael; Maeda, Yoshitomo; Markevitch, Maxim; Matsumoto, Hironori; Matsushita, Kyoko; McCammon, Dan; McNamara, Brian; Mernier, François; Miller, Eric D.; Miller, Jon M.; Mitsuishi, Ikuyuki; Mizumoto, Misaki; Mizuno, Tsunefumi; Mori, Koji; Mukai, Koji; Murakami, Hiroshi; Mushotzky, Richard; Nakajima, Hiroshi; Nakazawa, Kazuhiro; Ness, Jan-Uwe; Nobukawa, Kumiko; Nobukawa, Masayoshi; Noda, Hirofumi; Odaka, Hirokazu; Ogawa, Shoji; Ogorzalek, Anna; Okajima, Takashi; Ota, Naomi; Paltani, Stephane; Petre, Robert; Plucinsky, Paul; Porter, Frederick S.; Pottschmidt, Katja; Sato, Kosuke; Sato, Toshiki; Sawada, Makoto; Seta, Hiromi; Shidatsu, Megumi; Simionescu, Aurora; Smith, Randall; Suzuki, Hiromasa; Szymkowiak, Andrew; Takahashi, Hiromitsu; Takeo, Mai; Tamagawa, Toru; Tamura, Keisuke; Tanaka, Takaaki; Tanimoto, Atsushi; Tashiro, Makoto; Terada, Yukikatsu; Terashima, Yuichi; Tsuboi, Yohko; Tsujimoto, Masahiro; Tsunemi, Hiroshi; Tsuru, Takeshi; Uchida, Hiroyuki; Uchida, Nagomi; Uchida, Yuusuke; Uchiyama, Hideki; Ueda, Yoshihiro; Uno, Shinichiro; Vink, Jacco; Watanabe, Shin; Williams, Brian J.; Yamada, Satoshi; Yamada, Shinya; Yamaguchi, Hiroya; Yamaoka, Kazutaka; Yamasaki, Noriko; Yamauchi, Makoto; Yamauchi, Shigeo; Yaqoob, Tahir; Yoneyama, Tomokage; Yoshida, Tessei; Yukita, Mihoko; Zhuravleva, Irina; Tomaru, Ryota; Hayashi, Tasuku; Hakamata, Tomohiro; Miura, Daiki; Koljonen, Karri Iiro Iisakki; McCollough, Mike. (2024) The XRISM/Resolve View of the Fe K Region of Cyg X-3. Astrophysical Journal Letters
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  • Koljonen, Karri Iiro Iisakki; Liodakis, Ioannis; Lindfors, Elina; Nilsson, Kari; Reynolds, Thomas M.; Charalampopoulos, Panos; Kouroumpatzakis, Konstantinos; McCall, Callum; Jermak, Helen E.; Steele, Iain A.; Carbajo-Hijarrubia, Juan. (2024) The extreme coronal line emitter AT 2022fpx: varying optical polarization properties and late-time X-ray flare. Monthly notices of the Royal Astronomical Society
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  • Turchetta, Marco; Linares Alegret, Manuel; Koljonen, Karri; Sen, Bidisha. (2023) Quantifying irradiation in spider pulsars: the extreme case of PSR J1622-0315. Monthly notices of the Royal Astronomical Society
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