Hysteresis of spectral evolution in the soft state of blackhole binary LMC X – 3


We report the discovery of hysteresis between the x-ray spectrum and lumi-nosity of black-hole binary LMC X–3. Our observations, with the Proportional Counter Array on the Rossi X-ray Timing Explorer, took place entirely within the soft spectral state, dominated by a spectral component that was fitted well with a multicolor disk blackbody. A power-law… (More)

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