Spin measurement of 4U 1543–47 with Insight-HXMT and NICER from its 2021 outburst - A test of accretion disk models at high luminosities

Open Access

Fig. 3

Luminosity-temperature (L-T) relation (L ∝ T^ß) for super-Eddington observations with M2 values, which yields a best-fit power value of ß = 6·71 ± 0·25. The shaded red region denotes the disk state transition epoch found by Jin et al. (2023). For observations after MJD 59405.0, the best-fit power value is ß = 2·11 ± 0·24.

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