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A NuSTAR OBSERVATION OF THE REFLECTION SPECTRUM OF THE LOW-MASS X-RAY BINARY 4U 1728-34

  • Authors: Clio C. Sleator, John A. Tomsick, Ashley L. King, Jon M. Miller, Steven E. Boggs, Matteo Bachetti, Didier Barret, Jérôme Chenevez, Finn E. Christensen, William W. Craig, Charles J. Hailey, Fiona A. Harrison, Farid Rahoui, Daniel K. Stern, Dominic J. Walton, and William W. Zhang

2016 The Astrophysical Journal 827 134.

  • Provider: AAS Journals

Caption: Figure 3.

Hardness ratio throughout the NuSTAR observation, with NuSTAR FPMA in red and NuSTAR FPMB in black. The time of the Swift observation is marked in blue. The hardness ratio is defined as the count rate from 12–25 keV/the count rate from 4.5–12 keV.

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