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First Results from the PanRadio Gamma-Ray Burst Collaboration: The 400-day Afterglow of GRB 230815A

  • Authors: James K. Leung, Gemma E. Anderson, Alexander J. van der Horst, Claire Morley, Benjamin Schneider, Fabio De Colle, Om Sharan Salafia, Giancarlo Ghirlanda, Sarah I. Chastain, Adelle J. Goodwin, Ashna Gulati, Lauren Rhodes, Stuart D. Ryder, Ashley A. Chrimes, Valerio D'Elia, Mathieu de Bony de Lavergne, Massimiliano De Pasquale, Antonio de Ugarte Postigo, Dieter H. Hartmann, Benjamin P. Gompertz, Andrew J. Levan, Tara Murphy, Gavin P. Rowell, Thomas D. Russell, Fabian Schüssler, Rhaana L. C. Starling, Nial R. Tanvir, Susanna D. Vergani, Ralph A. M. J. Wijers

James K. Leung et al 2026 The Astrophysical Journal Letters 997 .

  • Provider: AAS Journals

Caption: Figure 1.

X-ray light curve for GRB 230815A. The data points obtained by Swift/XRT in WT mode are represented by the blue error bars, while those obtained in PC mode are represented by the orange error bars. The data points used in the fits to the X-ray light curve, obtained from binning the Swift/XRT data points, are represented by the red square markers. Fits to a smoothly broken power law and a power law are shown by the solid and dotted–dashed lines, respectively. The slopes of the fits are annotated beside the lines.

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