Speaker
Alexander Mushtukov
(Leiden Observatory)
Description
I will talk about dramatic spectral changes at very low luminosity state in accreting strongly magnetised neutron stars. These spectral changes were recently discovered in two X-ray pulsars - A 0535+262 and GX 304-1, - thanks to deep NuSTAR observations of these objects. This discovery can shed light on the process of spectra formation in accreting neutron stars under conditions of an extremely strong magnetic field. I will discuss the recent results of radiative transfer calculations accounting for X-ray polarization and test the theoretical results against the observational data.
Authors
Alexander Mushtukov
(Leiden Observatory)
Dr
Sergey Tsygankov
(University of Turku, Finland)
Dr
Valery Suleimanov
(Universität TÜbingen)
Dr
Victor Doroshenko
(University of Tübingen, Germany)
