Browsing by Author "Psaradaki, I."

Now showing items 1-2 of 2

    • Accretion Disk Wind of Hercules X-1 during the Short High State 

      Kosec, P.; Kara, E.; Fabian, A. C.; Pinto, C.; Psaradaki, I.; Rogantini, D.; Staubert, R.; Walton, D. J. (2023-12-05)
      Hercules X-1 is a nearly edge-on X-ray binary with a warped, precessing accretion disk, which manifests through a 35-day cycle of alternating High and Low flux states. This disk precession introduces a changing line of ...

    • The Long Stare at Hercules X-1. I. Emission Lines from the Outer Disk, the Magnetosphere Boundary, and the Accretion Curtain 

      Kosec, P.; Kara, E.; Fabian, A. C.; Fürst, F.; Pinto, C.; Psaradaki, I.; Reynolds, C. S.; Rogantini, D.; Walton, D. J.; Ballhausen, R.; Canizares, C.; Dyda, S.; Staubert, R.; Wilms, J. (2022-09-14)
      Hercules X-1 is a nearly edge-on accreting X-ray pulsar with a warped accretion disk, precessing with a period of about 35 days. The disk precession allows for unique and changing sightlines toward the X-ray source. To ...