Sergey Tsygankov
sergey.tsygankov@utu.fi +358 29 450 4519 +358 50 412 7281 Vesilinnantie 5 Turku |
Publications
- Discovery of a 0.8-mHz quasi-periodic oscillation in the transient X-ray pulsar SXP31.0 and associated timing transitions (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - Discovery of energy-dependent phase variations in the polarization angle of Cen X-3 (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - First detection of X-ray polarization from the long-period X-ray pulsar 4U 1954+319 (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - IXPE observations of the blazar Mrk 501 in 2022: a multiwavelength view (2026)
- Monthly Notices of the Royal Astronomical Society
(A1 Refereed original research article in a scientific journal) - Magnetic-field Order in the Southwestern Rim of RCW 86 Constrained Using X-Ray Polarimetry (2026)
- Astrophysical Journal
(A1 Refereed original research article in a scientific journal) - NICER detection of a new candidate cyclotron line in the bursting X-ray pulsar GRO J1744–28 (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - Polarization of reflected X-ray emission from the Sgr A molecular complex: Multiple flares, multiple sources? (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - Temporal evolution of the circumstellar disc orientation in the transient X-ray pulsar GRO J1008−57 (2026)
- Astronomy and Astrophysics
(A1 Refereed original research article in a scientific journal) - 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)



