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

  • Authors: P. Kosec, E. Kara, A. C. Fabian, F. Fürst, C. Pinto, I. Psaradaki, C. S. Reynolds, D. Rogantini, D. J. Walton, R. Ballhausen, C. Canizares, S. Dyda, R. Staubert, J. Wilms

P. Kosec et al 2022 The Astrophysical Journal 936 .

  • Provider: AAS Journals

Caption: Figure 16.

Gain-shift value (as a fraction of the speed of light) for each observation or observation segment vs. raw EPIC pn count rate (no pile-up corrections applied). The 2020 August XMM-Newton observations are shown in black, and older archival observations are in blue. We highlight the two oldest observations carried out in 2001 and 2002.

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