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Searching for coherent pulsations in ultraluminous X-ray sources
V. Doroshenko, A. Santangelo, L. Ducci
Luminosities of ultraluminous X-ray sources (ULXs) are uncomfortably large if compared to the Eddington limit for isotropic accretion onto stellar-mass object. Most often either su…
The quiescent state of the accreting X-ray pulsar SAX J2103.5+4545
P. Reig, V. Doroshenko, A. Zezas
We present an X-ray timing and spectral analysis of the Be/X-ray binary SAX J2103.5+4545 at a time when the Be star's circumstellar disk had disappeared and thus the main reservoir…
Expected number of supergiant fast X-ray transients in the Milky Way
L. Ducci, V. Doroshenko, P. Romano +2
In the past fifteen years a new generation of X-ray satellites led to the discovery of a subclass of high-mass X-ray binaries (HMXBs) with supergiant companions and a peculiar tran…
Population of the Galactic X-ray binaries and eRosita
V. Doroshenko, L. Ducci, A. Santangelo +1
The population of the Galactic X-ray binaries has been mostly probed with moderately sensitive hard X-ray surveys so far. The eRosita mission will provide, for the first time a sen…