Image Details
Caption: Figure 2.
Evolution of time-resolved spectroscopy with a bbodyrad model, with (a) the flux between 4 and 30 keV, (b) the temperature kT, (c) the emission radius, assuming a distance of 3 kpc, with a constant radius shown as a dashed line, and (d) the reduced chi square ﹩{\chi }_{r}^{2}={\chi }^{2}/17﹩ degrees of freedom.
© 2026. The Author(s). Published by the American Astronomical Society.