Fig. 3.
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Luminosity–temperature relationship derived from NICER+NuSTAR (diamond marker) and XMM-Newton (circle marker) spectral fits. Unabsorbed luminosity was calculated assuming a distance of 2.9 Mpc (Tully et al. 2013). Left panel: DISKBB component. Right panel: DISKPBB model. In both cases, T2 and T4 trends were added for reference.
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