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Model Dependence of XRISM Black Hole Spin Constraints in Cyg X-1

  • Authors: Andrzej A. Zdziarski, Swadesh Chand, Michał Szanecki, Gulab Dewangan, Barbara De Marco

Andrzej A. Zdziarski et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 1.

The light curves from NICER, NuSTAR, XRISM Resolve, and Xtend (from top to bottom), together with the corresponding hardness ratios, for the first 42 hr studied in this work. The zero time is set to the start time of the Resolve observation, i.e., 2024 April 7 17:56:58.

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