Sergey Tsygankov
sergey.tsygankov@utu.fi +358 29 450 4519 +358 50 412 7281 Vesilinnantie 5 Turku |
- A Two-week IXPE Monitoring Campaign on Mrk 421 (2025)
- Astrophysical Journal
- Continuous evolution of the polarization properties in the transient X-ray pulsar RX J0440.9+4431/LS V +44 17 (2025)
- Astronomy and Astrophysics
- Discovery of a bimodal luminosity distribution in the persistent Be/X-ray pulsar 2RXP J130159.6-635806 (2025)
- Astronomy and Astrophysics
- Dramatic changes in the timing behavior of SXP31.0 as seen by NuSTAR and SRG/ART-XC during the ongoing type II outburst #17216 (2025) Astronomer’s Telegram Salganik, Alexander; Tsygankov, Sergey S.; Molkov, Sergey; Lutovinov, Alexander; Mushtukov, Alexander; Poutanen, Juri
- Exploring polarization and geometry in the X-ray pulsar 4U 1538-52 (2025)
- Astronomy and Astrophysics
- First detection of X-ray polarization in the symbiotic X-ray binary 4U 1954+319 with IXPE #17464 (2025) Astronomer’s Telegram Salganik, Alexander; Kong, Lingda; Forsblom, Sofia V.; Zhou, Menglei; Liu, Honghui; Tsygankov, Sergey S.; Santangelo, Andrea; Poutanen, Juri
- Gamma-ray lines, electron-positron annihilation, and possible radio emission in X-ray pulsars (2025)
- Monthly Notices of the Royal Astronomical Society
- High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet (2025)
- Astrophysical Journal Letters
- IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare (2025)
- Astronomy and Astrophysics
- Measuring the Magnetic Field Strength of a Transient X-ray Pulsar 4U 1901+03 by Its Variability on Different Time Scales (2025)
- Astronomy Letters / Pis'ma v Astronomicheskii Zhurnal



