Sergey Tsygankov
sergey.tsygankov@utu.fi +358 29 450 4519 +358 50 412 7281 Vesilinnantie 5 Turku |
Publications
- A Systematic Study of Millihertz Quasiperiodic Oscillations in GS 1826−238 (2025)
- Astrophysical Journal
(A1 Refereed original research article in a scientific journal) - A Two-week IXPE Monitoring Campaign on Mrk 421 (2025)
- Astrophysical Journal
(A1 Refereed original research article in a scientific 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
(A1 Refereed original research article in a scientific journal) - Discovery of a bimodal luminosity distribution in the persistent Be/X-ray pulsar 2RXP J130159.6-635806 (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - Exploring polarization and geometry in the X-ray pulsar 4U 1538-52 (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet (2025)
- Astrophysical Journal Letters
(A1 Refereed original research article in a scientific journal) - IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - 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
(A1 Refereed original research article in a scientific journal) - Multiwavelength monitoring and reverberation mapping of NGC 2617 at deepest minimum with a sharp upward turn during 2021-2024 (2025)
- Monthly Notices of the Royal Astronomical Society
(A1 Refereed original research article in a scientific journal) - Physics of strong magnetism with eXTP (2025)
- SCIENCE CHINA Physics, Mechanics and Astronomy
(A2 Refereed review article in a scientific journal ) - Probing the polarized emission from the accretion-powered pulsar 4U 1907+09 with IXPE (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - Revealing two orthogonally polarized spectral components in Vela X-1 with IXPE (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - The enhanced X-ray Timing and Polarimetry mission—eXTP for launch in 2030 (2025)
- SCIENCE CHINA Physics, Mechanics and Astronomy
(A2 Refereed review article in a scientific journal ) - Variability of X-ray polarization of Cyg X-1 (2025)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - X-Ray Polarization Detection of the Pulsar Wind Nebula in G21.5-0.9 with IXPE (2025)
- Astrophysical Journal
(A1 Refereed original research article in a scientific journal) - X-Ray Polarization of the High-synchrotron-peak BL Lacertae Object 1ES 1959+650 during Intermediate and High X-Ray Flux States (2025)
- Astrophysical Journal
(A1 Refereed original research article in a scientific journal) - Accreting Strongly Magnetized Neutron Stars: X-ray Pulsars (2024) Handbook of X-ray and Gamma-ray Astrophysics Mushtukov, Alexander; Tsygankov, Sergey
(D2 Article in a professional compilation book) - Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations (2024)
- Astrophysical Journal
(A1 Refereed original research article in a scientific journal) - Complex rotational dynamics of the neutron star in Hercules X-1 revealed by X-ray polarization (2024)
- Nature Astronomy
(A1 Refereed original research article in a scientific journal) - Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE (2024)
- Nature Astronomy
(A1 Refereed original research article in a scientific journal)



