Abstract: Aims: During the Spectrum Roentgen Gamma (SRG)/eROSITA all-sky surveys, X-ray sources close to the South Ecliptic Pole (SEP)...

Abstract: The bright X-ray emission from Black Hole Transients (BHTs) and Active Galactic Nuclei (AGNs) originates from the region close...

Abstract: Aims: Flip-flops are top-hat-like X-ray flux variations, which have been observed in some transient accreting black hole binary...