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Bright X-ray Pulsars: how outflows influence beaming, pulsations and pulse phase lags
Alexander A. Mushtukov, Simon Portegies Zwart
Extreme accretion in X-ray pulsars (XRPs) results in radiation-driven outflows launched from the inner parts of the accretion disc. The outflows affect the apparent luminosity of t…
Mean opacities of a strongly magnetized high temperature plasma
Valery F. Suleimanov, Alexander A. Mushtukov, Igor Ognev +2
Geometry and dynamical structure of emission regions in accreting pulsars are shaped by the interplay between gravity, radiation, and strong magnetic field, which significantly aff…
The X-ray polarimetry view of the accreting pulsar Cen X-3
Sergey S. Tsygankov, Victor Doroshenko, Juri Poutanen +95
Cen X-3 is the first X-ray pulsar discovered 50 years ago. Radiation from such objects is expected to be highly polarized due to birefringence of plasma and vacuum associated with…
Importance of electron-positron pairs on the maximum possible luminosity of the accretion columns in ULXs
V. Suleimanov, A. Mushtukov, I. Ognev +2
One of the models explaining the high luminosity of pulsing ultra-luminous X-ray sources (pULXs) was suggested by Mushtukov et al. (2015). They showed that the accretion columns on…
First characterization of a new High Mass X-ray Binary in LMC eRASSU J050810.4660653 with SRG/ART-XC, NuSTAR and Swift
Alexander Salganik, Sergey S. Tsygankov, Alexander A. Lutovinov +4
We report results of the first detailed spectral and temporal studies of the recently discovered Be/X-ray binary eRASSU J050810.4660653 in LMC based on the data from the SRG/ART…
Determination of X-ray pulsar geometry with IXPE polarimetry
Victor Doroshenko, Juri Poutanen, Sergey S. Tsygankov +91
Using observations of X-ray pulsar Her X-1 by the Imaging X-ray Polarimetry Explorer, we report on a highly significant () detection of the polarization signal from an accret…