Karri Iiro Iisakki Koljonen
Publications
2025
- 
                
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kouch, Pouya M.; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Hovatta, Talvikki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Nilsson, Kari.
                        
                    
                
                
                    (2025)
                
                
                    
                        
                        
                            
                                
                                     Optimizing the hunt for extraterrestrial high-energy neutrino counterparts.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Lindseth, Sindre Synnes; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Turchetta, Marco; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Casares, Jorge; 
                        
                    
                        
                            Miles-Páez, Paulo A.; 
                        
                    
                        
                            Rodríguez-Gil, Pablo.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kouch, Pouya M.; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Hovatta, Talvikki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Nilsson, Kari.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     Association of the IceCube neutrinos with blazars in the CGRaBS sample.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Echiburú-Trujillo, Constanza; 
                        
                    
                        
                            Tetarenko, Alexandra J.; 
                        
                    
                        
                            Haggard, Daryl; 
                        
                    
                        
                            Russell, Thomas D.; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Bahramian, Arash.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Audard, Marc; 
                        
                    
                        
                            Awaki, Hisamitsu; 
                        
                    
                        
                            Ballhausen, Ralf; 
                        
                    
                        
                            Bamba, Aya; 
                        
                    
                        
                            Behar, Ehud; 
                        
                    
                        
                            Boissay-Malaquin, Rozenn.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     The XRISM/Resolve View of the Fe K Region of Cyg X-3.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astrophysical Journal Letters
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Nilsson, Kari; 
                        
                    
                        
                            Reynolds, Thomas M.; 
                        
                    
                        
                            Charalampopoulos, Panos.
                        
                    
                
                
                    (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
                    
                
                
                
                    Academic article
2023
- 
                
                    
                        
                            Liodakis, I.; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Blinov, D.; 
                        
                    
                        
                            Lindfors, E.; 
                        
                    
                        
                            Alexander, K.D.; 
                        
                    
                        
                            Hovatta, T..
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     Optical polarization from colliding stellar stream shocks in a tidal disruption event.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Science
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Alegret, Manuel Linares.
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     A Gaia view of the optical and X-ray luminosities of compact binary millisecond pulsars.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Monthly notices of the Royal Astronomical Society
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Turchetta, Marco; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Sen, Bidisha.
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     Quantifying irradiation in spider pulsars: the extreme case of PSR J1622-0315.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Monthly notices of the Royal Astronomical Society
                    
                
                
                
                    Academic article
2022
- 
                
                    
                        
                            Panizo-Espinar, G.; 
                        
                    
                        
                            Padilla, M. Armas; 
                        
                    
                        
                            Muñoz-Darias, T.; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Cúneo, V.A.; 
                        
                    
                        
                            Sánchez-Sierras, J..
                        
                    
                
                
                    (2022)
                
                
                    
                        
                        
                            
                                
                                     Discovery of optical and infrared accretion disc wind signatures in the black hole candidate MAXI J1348-630.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Saikia, Payaswini; 
                        
                    
                        
                            Russell, David M.; 
                        
                    
                        
                            Baglio, M.C.; 
                        
                    
                        
                            Bramich, D.M.; 
                        
                    
                        
                            Casella, Piergiorgio; 
                        
                    
                        
                            Trigo, Maria Diaz.
                        
                    
                
                
                    (2022)
                
                
                    
                        
                        
                            
                                
                                     A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article
Journal publications
- 
                
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kouch, Pouya M.; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Hovatta, Talvikki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Nilsson, Kari.
                        
                    
                
                
                    (2025)
                
                
                    
                        
                        
                            
                                
                                     Optimizing the hunt for extraterrestrial high-energy neutrino counterparts.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Lindseth, Sindre Synnes; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Turchetta, Marco; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Casares, Jorge; 
                        
                    
                        
                            Miles-Páez, Paulo A.; 
                        
                    
                        
                            Rodríguez-Gil, Pablo.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kouch, Pouya M.; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Hovatta, Talvikki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Nilsson, Kari.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     Association of the IceCube neutrinos with blazars in the CGRaBS sample.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Echiburú-Trujillo, Constanza; 
                        
                    
                        
                            Tetarenko, Alexandra J.; 
                        
                    
                        
                            Haggard, Daryl; 
                        
                    
                        
                            Russell, Thomas D.; 
                        
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Bahramian, Arash.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Audard, Marc; 
                        
                    
                        
                            Awaki, Hisamitsu; 
                        
                    
                        
                            Ballhausen, Ralf; 
                        
                    
                        
                            Bamba, Aya; 
                        
                    
                        
                            Behar, Ehud; 
                        
                    
                        
                            Boissay-Malaquin, Rozenn.
                        
                    
                
                
                    (2024)
                
                
                    
                        
                        
                            
                                
                                     The XRISM/Resolve View of the Fe K Region of Cyg X-3.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astrophysical Journal Letters
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri Iiro Iisakki; 
                        
                    
                        
                            Liodakis, Ioannis; 
                        
                    
                        
                            Lindfors, Elina; 
                        
                    
                        
                            Nilsson, Kari; 
                        
                    
                        
                            Reynolds, Thomas M.; 
                        
                    
                        
                            Charalampopoulos, Panos.
                        
                    
                
                
                    (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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Liodakis, I.; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Blinov, D.; 
                        
                    
                        
                            Lindfors, E.; 
                        
                    
                        
                            Alexander, K.D.; 
                        
                    
                        
                            Hovatta, T..
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     Optical polarization from colliding stellar stream shocks in a tidal disruption event.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Science
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            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)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Alegret, Manuel Linares.
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     A Gaia view of the optical and X-ray luminosities of compact binary millisecond pulsars.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Monthly notices of the Royal Astronomical Society
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Turchetta, Marco; 
                        
                    
                        
                            Alegret, Manuel Linares; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Sen, Bidisha.
                        
                    
                
                
                    (2023)
                
                
                    
                        
                        
                            
                                
                                     Quantifying irradiation in spider pulsars: the extreme case of PSR J1622-0315.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Monthly notices of the Royal Astronomical Society
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Panizo-Espinar, G.; 
                        
                    
                        
                            Padilla, M. Armas; 
                        
                    
                        
                            Muñoz-Darias, T.; 
                        
                    
                        
                            Koljonen, Karri; 
                        
                    
                        
                            Cúneo, V.A.; 
                        
                    
                        
                            Sánchez-Sierras, J..
                        
                    
                
                
                    (2022)
                
                
                    
                        
                        
                            
                                
                                     Discovery of optical and infrared accretion disc wind signatures in the black hole candidate MAXI J1348-630.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Astronomy and Astrophysics (A & A)
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Saikia, Payaswini; 
                        
                    
                        
                            Russell, David M.; 
                        
                    
                        
                            Baglio, M.C.; 
                        
                    
                        
                            Bramich, D.M.; 
                        
                    
                        
                            Casella, Piergiorgio; 
                        
                    
                        
                            Trigo, Maria Diaz.
                        
                    
                
                
                    (2022)
                
                
                    
                        
                        
                            
                                
                                     A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters.
                                
                                
                            
                        
                    
                
                
                    
                    
                        The Astrophysical Journal (ApJ)
                    
                
                
                
                    Academic article