Image Details
Caption: Figure 5.
Photon index Γ (top) and flux FPL (bottom) distributions of all bursts. Different histograms represent magnetar groups as defined in Figure 2 and indicated in the legend. For the Γ distribution, most Swift J1818.0−1607 bursts have fixed Γ values during spectral fitting; therefore, this sample is not plotted separately on the top panel.
© 2026. The Author(s). Published by the American Astronomical Society.