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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 4.

Left: the distribution of kT parameter of 386 spectra that prefer BB model is shown in black. The same distribution profiles for the most burst prolific magnetars in our sample, SGR J1935+2154 (N = 119), SGR J1550–5418 (N = 154), SGR 1806−20 (N = 19), and 1E 1841−045 (N = 27), are shown on both panels in orange, green, blue, and red, respectively. The source specific histograms are smoothed only for clearer presentation. Right: the distribution of γ parameter of seven spectra that favor PL model is shown in black.

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