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17 yr of Magnetar Bursts Observed with the Fermi Gamma-Ray Burst Monitor

  • Authors: Matt Godwin, Özge Keskin, Mustafa Demirer, Yi-Jing Yi, Lin Lin, Oliver J. Roberts, Ersin Göğüş, Yuki Kaneko, Michael Briggs, Matthew G. Baring, Eric Burns, David M. Palmer, Boyan A. Hristov, Bagrat Mailyan, Christian Malacaria, Eva Palafox, Chryssa Kouveliotou, Alexander J. van der Horst, Peter Veres, George Younes

Matt Godwin et al 2026 The Astrophysical Journal Supplement Series 286 .

  • Provider: AAS Journals

Caption: Figure 8.

R2 vs. kT trends of the burst spectra that are consistent with the BB + BB model for the sources (a) SGR J1935+2154, (b) SGR J1550–5418, (c) SGR 1806−20, and (d) 1E 1841−045. The best-fitting PL model is overlaid on each distribution. Note that the dashed line is illustrative for R2 ∝ kT−4 for a luminosity of 4 × 1043 erg s−1.

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