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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 9.

The best-fitting wavelength of the O VIII line (top subplot) and the N VII line (bottom subplot) vs. the super-orbital phase. The observations with XMM-Newton during the 2020 campaign, and previously, are shown in distinct colors. The red dashed horizontal lines indicate the rest-frame wavelengths of the two transitions.

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