Artur Avakyan

The low luminosity end of Galactic HMXBs with eROSITA: Establishing a luminosity floor for accreting BeXRBs

A. Zainab, P. Thalhammer, Nico Zalot, Artur Avakyan et autres

We present a first look at the Galactic population of heretofore known HMXBs as observed by SRG/eROSITA during its first four surveys. eROSITA's sensitivity of $\sim10^{-13}\,\mathrm{erg}\,\mathrm{s}^{-1}\,\mathrm{cm}^{-2}$, translating to $10^{32}$-$10^{34},\mathrm{erg}\,\mathrm{s}^{-1}$ in luminosity for most known HMXBs in the Milky Way, has thus far …

Catcher in the Sky: Galactic X-ray Binaries in the Era of eROSITA and Beyond

Artur Avakyan

Röntgendoppelsterne (Engl. Äquivalent: X-Ray Binaries, XRBs) sind die Endpunkte der stellaren Entwicklung massereicher Sterne, und stellen einzigartige Weltraumlabore für die Hochenergieastrophysik dar. Forschungsarbeiten zu XRBs können sowohl umfan- greiche Studien der XRB-Population, als auch Analysen einzelner Doppelsternsysteme umfassen. Populationsstudien von XRBs sind …

Confirmation of SRGt 062340.2-265751 as a nova-like cataclysmic variable with a possible magnetic nature

Artur Avakyan

Multiwavelength study of 1eRASS J085039.9-421151 with eROSITA NuSTAR and X-shooter

A. Zainab, Artur Avakyan, Victor Doroshenko, P. Thalhammer et autres

The eROSITA instrument on board Spectrum-Roentgen-Gamma has completed four scans of the X-ray sky, leading to the detection of almost one million X-ray sources in eRASS1 only, including multiple new X-ray binary candidates. We report on analysis of the X-ray binary 1eRASS …

XRBcats: Galactic High Mass X-ray Binary Catalogue

Marvin Neumann, Artur Avakyan, Victor Doroshenko, Andrea E. Santangelo

We present a new catalogue of high mass X-ray binaries (HMXBs) in the Galaxy that we call the Galactic High Mass X-ray Binary Catalogue (XRBcats), which improves upon the most recent of such catalogues. We include new HMXBs discovered since previous publications …