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Precursors in Short Gamma-Ray Bursts as a Possible Probe of Progenitors

  • Authors: Shu-Qing Zhong, Zi-Gao Dai, Ji-Gui Cheng, Lin Lan, and Hai-Ming Zhang

2019 The Astrophysical Journal 884 25.

  • Provider: AAS Journals

Caption: Figure 2.

Left panel: the SGRB light curves with precursors (since BAT trigger) observed by Swift and/or Fermi as identified by the BBlocks analysis. Right panel: the better-fitting spectra (CPL or BB model) for precursors (top) and main bursts (bottom; also labeled are the time intervals since BAT trigger). The green, black, red, and blue points are data observed with Swift BAT, Fermi NaI, BGO, and LAT, respectively.

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